What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Phoenix Sky Harbor Intl?

Alaska Airlines and United Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Phoenix Sky Harbor Intl

Which layover airport has the shortest connection time from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

Charlotte (CLT) has the shortest average layover time for this route: 1h 05m.

What airlines fly to Phoenix Sky Harbor Intl Airport?

United Airlines, Southwest and Frontier are the top three most popular airlines that fly to Phoenix Sky Harbor Intl Airport from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 75% of people opting to fly with this airline when traveling to Phoenix Sky Harbor Intl Airport. Keep in mind that there are 6 different airlines that fly to Phoenix Sky Harbor Intl Airport on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $214.

Which layover airport has the shortest travel time from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

Flights connecting via Charlotte (CLT) have the shortest average one-way travel time: 7h 18m.

Which airport is the most popular layover for flights between Washington, D.C. Dulles Intl Airport and Phoenix Sky Harbor Intl Airport?

Atlanta (ATL) was the most common stop: 70% of momondo users choosing 1-stop flights on this route connected there.

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

As of August 2026, there are 6 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport.

What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?

The travel and health documents required for your trip to Phoenix Sky Harbor Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Phoenix Sky Harbor Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$162 Cheap Flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in 2026

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport on average per day?

The number of flights available between Washington, D.C. Dulles Intl Airport and Phoenix Sky Harbor Intl Airport is 2 per day as of August 2026. The most frequent departure time is 5:00PM, with 100% of daily flights leaving in the afternoon.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Phoenix

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 3:03 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

11h 03m1 stop Seattle/Tacoma Intl

7:08 am - 6:14 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

8h 06m1 stop San Diego

$329Alaska Airlines

Tue, Sep 1 - Wed, Sep 9

7:00 am - 3:10 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

11h 10m1 stop Seattle/Tacoma Intl

7:49 pm - 5:50 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

19h 01m1 stop San Diego

$329Alaska Airlines

Sun, Sep 27 - Fri, Oct 2

8:00 pm - 11:56 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

30h 56m1 stop Orlando

10:51 pm - 7:09 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

17h 18m1 stop Orlando

$329Frontier

Thu, Oct 8 - Tue, Oct 13

12:30 pm - 9:50 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

12h 20m1 stop Dallas/Fort Worth

8:39 pm - 6:20 amPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

6h 41m1 stop Las Vegas Harry Reid Intl

$329Frontier

Thu, Oct 1 - Tue, Oct 6

1:30 pm - 7:18 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

8h 48m1 stop Dallas/Fort Worth

8:00 am - 5:40 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

7h 40m1 stop San Diego

$329Multiple Airlines

Thu, Oct 29 - Wed, Nov 4

6:00 am - 12:22 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

9h 22m1 stop Las Vegas Harry Reid Intl

7:08 am - 6:14 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

8h 06m1 stop San Diego

$329Multiple Airlines

Thu, Sep 24 - Tue, Sep 29

6:59 pm - 11:21 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

7h 22m1 stop Minneapolis St Paul

12:50 am - 11:21 amPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

7h 31m1 stop Minneapolis St Paul

$331Delta

Wed, Oct 7 - Sat, Oct 10

3:00 pm - 10:11 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

9h 11m1 stop Atlanta Hartsfield-Jackson

12:59 am - 11:18 amPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

8h 19m1 stop Minneapolis St Paul

$331Delta

Wed, Nov 11 - Sat, Nov 14

5:45 pm - 8:55 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

5h 10mnonstop

3:10 pm - 9:25 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 15mnonstop

$333United Airlines

Tue, Jan 5 - Mon, Feb 1

12:35 pm - 3:46 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

5h 11mnonstop

3:10 pm - 9:25 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 15mnonstop

$333United Airlines

Thu, Jan 21 - Thu, Jan 28

Cheap last minute flights

Enter your travel dates to find the best prices.

9:30 am - 11:27 amIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

28h 57m1 stop Las Vegas Harry Reid Intl

9:10 am - 10:52 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

10h 42m1 stop Atlanta Hartsfield-Jackson

$334Frontier

Sat, Aug 15 - Sat, Sep 5

8:33 pm - 12:49 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

19h 16m2 stops Atlanta Hartsfield-Jackson Houston George Bush Intcntl

9:10 am - 10:52 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

10h 42m1 stop Atlanta Hartsfield-Jackson

$374Frontier

Sat, Aug 15 - Sat, Sep 5

7:53 pm - 12:23 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

19h 30m1 stop San Diego

10:30 pm - 8:04 amPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

6h 34m1 stop Las Vegas Harry Reid Intl

$429Multiple Airlines

Fri, Aug 14 - Sun, Aug 23

7:53 pm - 12:23 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

19h 30m1 stop San Diego

9:58 pm - 8:04 amPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

7h 06m1 stop Las Vegas Harry Reid Intl

$429Multiple Airlines

Fri, Aug 14 - Mon, Aug 17

6:00 pm - 7:54 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

4h 54mnonstop

6:20 am - 4:02 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

6h 42m1 stop Chicago O'Hare Intl

$444United Airlines

Sat, Aug 15 - Sat, Sep 5

6:00 pm - 7:54 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

4h 54mnonstop

8:55 am - 4:23 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 28mnonstop

$456United Airlines

Sat, Aug 15 - Sat, Sep 5

6:10 am - 10:01 amIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

6h 51m1 stop Detroit Metropolitan Wayne County

11:56 pm - 9:20 amPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

6h 24m1 stop Atlanta Hartsfield-Jackson

$489Delta

Sat, Aug 15 - Sat, Aug 22

7:53 pm - 12:23 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

19h 30m1 stop San Diego

12:13 pm - 5:40 amPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

14h 27m2 stops San Diego Seattle/Tacoma Intl

$501Alaska Airlines

Fri, Aug 14 - Sat, Sep 26

7:53 pm - 12:23 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

19h 30m1 stop San Diego

1:05 pm - 6:45 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

26h 40m1 stop San Diego

$539Alaska Airlines

Thu, Aug 13 - Sun, Aug 16

6:10 am - 10:01 amIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

6h 51m1 stop Detroit Metropolitan Wayne County

11:05 pm - 10:23 amPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

8h 18m1 stop Detroit Metropolitan Wayne County

$549Delta

Sat, Aug 15 - Mon, Aug 17

Cheap direct flights

Enter your travel dates to find the best prices.

5:45 pm - 8:55 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

5h 10mnonstop

3:10 pm - 9:25 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 15mnonstop

$333United Airlines

Tue, Jan 5 - Mon, Feb 1

12:35 pm - 3:46 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

5h 11mnonstop

3:10 pm - 9:25 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 15mnonstop

$333United Airlines

Thu, Jan 21 - Thu, Jan 28

12:55 pm - 3:08 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

5h 13mnonstop

10:59 pm - 6:08 amPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 09mnonstop

$336United Airlines

Wed, Oct 28 - Fri, Oct 30

12:35 pm - 3:46 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

5h 11mnonstop

3:10 pm - 9:25 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 15mnonstop

$339United Airlines

Sat, Dec 12 - Tue, Dec 15

5:46 pm - 9:04 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

5h 18mnonstop

3:08 pm - 9:23 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 15mnonstop

$339United Airlines

Wed, Nov 11 - Tue, Nov 17

12:55 pm - 4:08 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

5h 13mnonstop

3:10 pm - 9:25 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 15mnonstop

$339United Airlines

Thu, Nov 26 - Tue, Dec 8

8:35 am - 10:26 amIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

4h 51mnonstop

2:05 pm - 9:27 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 22mnonstop

$339United Airlines

Sat, Sep 26 - Mon, Sep 28

8:20 am - 11:33 amIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

5h 13mnonstop

11:59 pm - 6:08 amPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 09mnonstop

$339United Airlines

Sat, Nov 14 - Fri, Nov 20

5:46 pm - 9:04 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

5h 18mnonstop

3:08 pm - 9:23 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 15mnonstop

$339United Airlines

Fri, Nov 6 - Sat, Nov 14

6:00 pm - 7:54 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

4h 54mnonstop

8:55 am - 4:23 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 28mnonstop

$339United Airlines

Fri, Aug 28 - Sun, Sep 6

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Delta flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flight tickets

Delta

Sep 6

IAD5:25 pmWashington, D.C. Dulles Intl

7h 07m

1 stop

PHX9:32 pmPhoenix Sky Harbor Intl

Sep 9

PHX10:15 amPhoenix Sky Harbor Intl

6h 59m

1 stop

IAD8:14 pmWashington, D.C. Dulles Intl

$331

Delta

Sep 3

IAD7:00 amWashington, D.C. Dulles Intl

8h 06m

1 stop

PHX12:06 pmPhoenix Sky Harbor Intl

Sep 13

PHX10:40 pmPhoenix Sky Harbor Intl

10h 05m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$359

Delta

Aug 23

IAD8:28 amWashington, D.C. Dulles Intl

6h 40m

1 stop

PHX12:08 pmPhoenix Sky Harbor Intl

Sep 4

PHX3:00 pmPhoenix Sky Harbor Intl

6h 34m

1 stop

IAD12:34 amWashington, D.C. Dulles Intl

$394

United Airlines flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flight tickets

United Airlines

Oct 24

IAD8:35 amWashington, D.C. Dulles Intl

4h 51m

PHX10:26 amPhoenix Sky Harbor Intl

Oct 27

PHX2:08 pmPhoenix Sky Harbor Intl

4h 15m

IAD9:23 pmWashington, D.C. Dulles Intl

$339

United Airlines

Oct 2

IAD6:00 pmWashington, D.C. Dulles Intl

4h 54m

PHX7:54 pmPhoenix Sky Harbor Intl

Oct 5

PHX12:15 pmPhoenix Sky Harbor Intl

7h 15m

1 stop

IAD10:30 pmWashington, D.C. Dulles Intl

$345

United Airlines

Dec 9

IAD5:45 pmWashington, D.C. Dulles Intl

5h 10m

PHX8:55 pmPhoenix Sky Harbor Intl

Dec 13

PHX3:55 pmPhoenix Sky Harbor Intl

6h 19m

1 stop

IAD12:14 amWashington, D.C. Dulles Intl

$346

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Phoenix

IAD Washington, D.C. Dulles Intl - PHX Phoenix Sky Harbor Intl

IADPHX

Washington, D.C. Dulles Intl

Tue 9/1

7:00 am-3:03 pm

1 stop11h 03m

Phoenix Sky Harbor Intl

Wed 9/9

7:08 am-6:14 pm

1 stop8h 06m

$329

Washington, D.C.Phoenix

IAD Washington, D.C. Dulles Intl - PHX Phoenix Sky Harbor Intl

IADPHX

Washington, D.C. Dulles Intl

Sun 9/27

7:00 am-3:10 pm

1 stop11h 10m

Phoenix Sky Harbor Intl

Fri 10/2

7:49 pm-5:50 pm

1 stop19h 01m

$329

Washington, D.C.Phoenix

IAD Washington, D.C. Dulles Intl - PHX Phoenix Sky Harbor Intl

IADPHX

Washington, D.C. Dulles Intl

Thu 10/8

8:00 pm-11:56 pm

1 stop30h 56m

Phoenix Sky Harbor Intl

Tue 10/13

10:51 pm-7:09 pm

1 stop17h 18m

$329

Washington, D.C.Phoenix

IAD Washington, D.C. Dulles Intl - PHX Phoenix Sky Harbor Intl

IADPHX

Washington, D.C. Dulles Intl

Thu 10/1

12:30 pm-9:50 pm

1 stop12h 20m

Phoenix Sky Harbor Intl

Tue 10/6

8:39 pm-6:20 am

1 stop6h 41m

$329

Washington, D.C.Phoenix

IAD Washington, D.C. Dulles Intl - PHX Phoenix Sky Harbor Intl

IADPHX

Washington, D.C. Dulles Intl

Thu 10/29

1:30 pm-7:18 pm

1 stop8h 48m

Phoenix Sky Harbor Intl

Wed 11/4

8:00 am-5:40 pm

1 stop7h 40m

$329

Washington, D.C.Phoenix

IAD Washington, D.C. Dulles Intl - PHX Phoenix Sky Harbor Intl

IADPHX

Washington, D.C. Dulles Intl

Thu 9/24

6:00 am-12:22 pm

1 stop9h 22m

Phoenix Sky Harbor Intl

Tue 9/29

7:08 am-6:14 pm

1 stop8h 06m

$329

Washington, D.C.Phoenix

IAD Washington, D.C. Dulles Intl - PHX Phoenix Sky Harbor Intl

IADPHX

Washington, D.C. Dulles Intl

Wed 10/7

6:59 pm-11:21 pm

1 stop7h 22m

Phoenix Sky Harbor Intl

Sat 10/10

12:50 am-11:21 am

1 stop7h 31m

$331

Washington, D.C.Phoenix

IAD Washington, D.C. Dulles Intl - PHX Phoenix Sky Harbor Intl

IADPHX

Washington, D.C. Dulles Intl

Wed 11/11

3:00 pm-10:11 pm

1 stop9h 11m

Phoenix Sky Harbor Intl

Sat 11/14

12:59 am-11:18 am

1 stop8h 19m

$331

Quickest round-trip

Washington, D.C.Phoenix

IAD Washington, D.C. Dulles Intl - PHX Phoenix Sky Harbor Intl

IADPHX

Washington, D.C. Dulles Intl

Tue 1/5

5:45 pm-8:55 pm

Nonstop5h 10m

Phoenix Sky Harbor Intl

Mon 2/1

3:10 pm-9:25 pm

Nonstop4h 15m

$333

Washington, D.C.Phoenix

IAD Washington, D.C. Dulles Intl - PHX Phoenix Sky Harbor Intl

IADPHX

Washington, D.C. Dulles Intl

Thu 1/21

12:35 pm-3:46 pm

Nonstop5h 11m

Phoenix Sky Harbor Intl

Thu 1/28

3:10 pm-9:25 pm

Nonstop4h 15m

$333

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

Other information

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Phoenix Sky Harbor Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $338 to $537.
The lowest price recently found on this route was $329.

What is the cheapest month to fly to Phoenix Sky Harbor Intl Airport?

In general, November is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $430. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of November, then departing from Washington, D.C. Dulles Intl Airport during the month October is also very affordable. Most momondo users find prices during this month for around $430.

What is the cheapest day to depart on your flight to Phoenix Sky Harbor Intl Airport?

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from Washington, D.C. Dulles Intl Airport is on a Saturday. momondo users have found tickets for Saturday departures for as low as $482. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $574. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

What is the cheapest time of day to depart on your flight to Phoenix Sky Harbor Intl Airport?

In the afternoon is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $512. Flying to Phoenix Sky Harbor Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $578. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Washington, D.C. Dulles Intl to Phoenix Sky Harbor Intl flight route?

Fly from Washington, D.C. Dulles Intl to Phoenix Sky Harbor Intl for the best Washington, D.C. Dulles Intl - Phoenix Sky Harbor Intl flight prices

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around $472 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix Sky Harbor Intl Airport from Washington, D.C. Dulles Intl Airport for as low as $384 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flights?

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flight prices changed over time?

As of August 2026, prices for Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flights are approximately 47% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport (IAD to PHX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport

Best Price Found	$200
Fastest flight time	4h 51m
Direct flights	Every day

The best one-way flight to Phoenix Sky Harbor Intl Airport from Washington, D.C. Dulles Intl Airport in the past 72 hours is $200. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport found on momondo in the last 72 hours is $432.

The fastest flight from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport takes 4h 51m

Direct flights go from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport every day.

Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport

How far is Washington, D.C. Dulles Intl to Phoenix Sky Harbor Intl by plane?
The distance between Washington, D.C. Dulles Intl and Phoenix Sky Harbor Intl is about 1950.3 mi. Typically, this will take 4h 51m by plane in normal conditions.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?
As of August 2026, there are 6 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport.
What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?
The travel and health documents required for your trip to Phoenix Sky Harbor Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Phoenix Sky Harbor Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport is Boeing 737 MAX 9, representing 36.01% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 12.76%, Boeing 737 at 12.14%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 10.49%.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport is United Airlines (73% of total bookings). The next most popular airlines are Southwest (13%), Frontier (7%), and Delta (5%).

Best airlines flying from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $158	Free Cancellation	Rating 5.6 2,710 reviews	Search Frontier flights
Delta	PriceFrom $243	Free Cancellation	Rating 7.8 8,503 reviews	Search Delta flights
Alaska Airlines	PriceFrom $252	Free Cancellation	Rating 7.9 12,794 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $277	Free Cancellation	Rating 8.0 4,218 reviews	Search Southwest flights
United Airlines	PriceFrom $297	Free Cancellation	Rating 7.4 10,101 reviews	Search United Airlines flights
American Airlines	PriceFrom $376	Free Cancellation	Rating 7.1 11,899 reviews	Search American Airlines flights

United Airlines Flights From Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport
United Airlines flies from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport around 4 times per week, with 10,101 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in the last 72 hours was $297 (round-trip), much lower than the average airfare cost of $500 for United Airlines flights on this route.

Scottsdale

Mesa

Tempe

Chandler

Glendale

Goodyear

Gilbert

Surprise

Peoria

Payson

Casa Grande

Buckeye

Apache Junction

Paradise Valley

Avondale

Camp Verde

Wickenburg

Guadalupe

Globe

Litchfield Park

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Phoenix?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Phoenix. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Phoenix with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Phoenix on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Phoenix?

Once you have performed a search for Washington, D.C. to Phoenix flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Phoenix right now. Can momondo alert me if prices change?

Price alerts on flights to Phoenix from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Phoenix Sky Harbor Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 9/10

Thu 9/17

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Phoenix

Popular cities

Other flights from Washington, D.C. Dulles Intl Airport

Other flights to Phoenix

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in the United States

Flights to Newark Airportfrom $102

Flights to New York John F Kennedy Intl Airportfrom $164

Flights to New York LaGuardia Airportfrom $117

Flights to Dallas/Fort Worth Airportfrom $63

Flights to Washington, D.C. Dulles Intl Airportfrom $75

Flights to Chicago O'Hare Intl Airportfrom $50

Flights to Washington, D.C. Reagan-National Airportfrom $115

Flights to Orlando Airportfrom $46

Flights to Chicago Midway Airport

Flights to Dallas Love Field Airport

Flights to Chicago Greater Rockford Airport

Cheap flights from Washington, D.C. Dulles Intl Airport to Phoenix from $158

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Phoenix

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Delta flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flight tickets

United Airlines flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport that are best for you.

See travel insights to Phoenix from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Phoenix Sky Harbor Intl Airport?

What is the cheapest month to fly to Phoenix Sky Harbor Intl Airport?

What is the cheapest day to depart on your flight to Phoenix Sky Harbor Intl Airport?

What is the cheapest time of day to depart on your flight to Phoenix Sky Harbor Intl Airport?

What is the cheapest Washington, D.C. Dulles Intl to Phoenix Sky Harbor Intl flight route?

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

What cabin class options are available on Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flights?

How have Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flight prices changed over time?

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Phoenix Sky Harbor Intl?

What airlines fly to Phoenix Sky Harbor Intl Airport?

Which airport is the most popular layover for flights between Washington, D.C. Dulles Intl Airport and Phoenix Sky Harbor Intl Airport?

Which layover airport offers the lowest fares from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

Which layover airport has the shortest travel time from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

Which layover airport has the shortest connection time from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

How many flights depart from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport on average per day?

How many flights depart from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport on average per week?

When to book flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport

Cheap Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport (IAD to PHX) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport

Best airlines flying from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport with momondo

Traveling to a place near Phoenix?

Why use momondo?

An easier way to manage your Phoenix Sky Harbor Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Phoenix

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Washington, D.C. Dulles Intl Airport flight routes

According to popular flight searches on momondo this year

Phoenix Sky Harbor Intl Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Phoenix

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Phoenix

List of cabin classes available on flights landing in Phoenix. Availability may vary depending on flight origin and airline.

Complete your trip to Phoenix

Explore popular destinations other users love

According to popular flight searches on momondo this year