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 76% 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 $232.

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

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

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: 62% of momondo users choosing 1-stop flights on this route connected there.

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 16m.

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 51m.

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

As of September 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.

$186 Cheap Flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in 2026/27

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

As of September 2026, 35 flights take off from Washington, D.C. Dulles Intl Airport and land in Phoenix Sky Harbor Intl Airport each week. The most common flight departure day for this route is Wed, with 17% of weekly flights taking off on this day.

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 - 5:35 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

12h 35m1 stop Seattle/Tacoma Intl

11:36 am - 8:11 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

6h 35m1 stop Dallas/Fort Worth

$363Multiple Airlines

Fri, Dec 4 - Sun, Dec 6

8:57 pm - 10:41 amIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

15h 44m1 stop Dallas/Fort Worth

11:36 am - 8:11 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

6h 35m1 stop Dallas/Fort Worth

$366Frontier

Fri, Dec 4 - Tue, Dec 8

8:28 pm - 6:42 amIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

12h 14m1 stop Dallas/Fort Worth

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

8h 01m1 stop San Diego

$366Multiple Airlines

Fri, Feb 5 - Sun, Feb 7

9:06 pm - 11:34 amIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

17h 28m2 stops Atlanta Hartsfield-Jackson Houston George Bush Intcntl

10:12 pm - 10:17 amPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

9h 05m1 stop Orlando

$366Frontier

Thu, Oct 22 - Sun, Oct 25

7:00 am - 5:35 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

12h 35m1 stop Seattle/Tacoma Intl

8:05 am - 5:39 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

7h 34m1 stop San Diego

$368Alaska Airlines

Fri, Dec 4 - Sat, Dec 5

9:38 am - 6:00 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

11h 22m1 stop Seattle/Tacoma Intl

7:38 am - 5:50 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

7h 12m1 stop San Diego

$369Alaska Airlines

Wed, Oct 28 - Sat, Oct 31

12:55 pm - 4:09 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

5h 14mnonstop

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

4h 15mnonstop

$379United Airlines

Mon, Jan 4 - Sun, Jan 10

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

5h 13mnonstop

2:54 pm - 9:09 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 15mnonstop

$379United Airlines

Sat, Dec 5 - Tue, Dec 8

8:07 pm - 1:03 amIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

6h 56m1 stop Charlotte Douglas

5:00 am - 1:50 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

6h 50m1 stop Dallas/Fort Worth

$399American Airlines

Thu, Dec 10 - Sun, Dec 13

7:14 am - 3:17 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

10h 03m1 stop Dallas/Fort Worth

12:20 pm - 11:29 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

9h 09m1 stop Dallas/Fort Worth

$399American Airlines

Fri, Dec 11 - Tue, Dec 15

Cheap last minute flights

Enter your travel dates to find the best prices.

3:53 pm - 7:31 amIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

18h 38m1 stop Knoxville McGhee Tyson

7:15 am - 5:13 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

30h 58m2 stops Houston George Bush Intcntl Atlanta Hartsfield-Jackson

$367Multiple Airlines

Thu, Oct 1 - Wed, Oct 21

4:36 pm - 9:50 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

8h 14m1 stop Dallas/Fort Worth

4:34 pm - 6:20 amPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

10h 46m1 stop Las Vegas Harry Reid Intl

$369Frontier

Tue, Sep 29 - Wed, Oct 14

6:00 am - 11:59 amIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

8h 59m1 stop Las Vegas Harry Reid Intl

4:34 pm - 6:20 amPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

10h 46m1 stop Las Vegas Harry Reid Intl

$373Frontier

Sat, Oct 3 - Tue, Oct 13

3:53 pm - 7:31 amIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

18h 38m1 stop Knoxville McGhee Tyson

11:55 am - 11:36 amPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

21h 41m1 stop Dallas/Fort Worth

$404Multiple Airlines

Thu, Oct 1 - Tue, Nov 10

5:50 pm - 10:41 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

7h 51m1 stop Newark

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

4h 09mnonstop

$484United Airlines

Thu, Oct 1 - Sun, Oct 25

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

4h 54mnonstop

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

4h 09mnonstop

$524United Airlines

Thu, Oct 1 - Sun, Oct 25

7:47 pm - 11:31 amIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

18h 44m1 stop San Diego

7:38 am - 11:59 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

13h 21m2 stops San Diego Seattle/Tacoma Intl

$544Alaska Airlines

Tue, Sep 29 - Wed, Oct 14

12:30 pm - 6:00 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

8h 30m2 stops Charlotte Douglas Dallas/Fort Worth

5:00 am - 2:18 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

6h 18m1 stop Dallas/Fort Worth

$547American Airlines

Sat, Oct 3 - Tue, Oct 13

12:30 pm - 6:00 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

8h 30m2 stops Charlotte Douglas Dallas/Fort Worth

5:00 am - 2:18 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

6h 18m1 stop Dallas/Fort Worth

$571American Airlines

Sat, Oct 3 - Tue, Oct 13

9:03 am - 5:45 pmIAD Washington, D.C. Dulles Intl-PHX Phoenix Sky Harbor Intl

11h 42m1 stop Seattle/Tacoma Intl

9:05 am - 11:59 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

11h 54m2 stops Boise Air Term. Gowen Fld Seattle/Tacoma Intl

$614Alaska Airlines

Tue, Sep 29 - Wed, Oct 14

Cheap direct flights

Enter your travel dates to find the best prices.

12:55 pm - 4:08 pmIAD 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

$379United Airlines

Thu, Nov 19 - Mon, Nov 23

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

$379United Airlines

Wed, Jan 13 - Sat, Jan 16

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

5h 13mnonstop

7:50 am - 3:03 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 13mnonstop

$379United Airlines

Thu, Oct 29 - Sat, Oct 31

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

5h 13mnonstop

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

4h 15mnonstop

$379United Airlines

Sun, Nov 22 - Thu, Nov 26

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

5h 13mnonstop

8:50 am - 3:03 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 13mnonstop

$379United Airlines

Sat, Nov 7 - Wed, Nov 11

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

4h 54mnonstop

2:08 pm - 9:23 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 15mnonstop

$379United Airlines

Sat, Oct 24 - Tue, Oct 27

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

5h 18mnonstop

8:50 am - 3:03 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 13mnonstop

$379United Airlines

Sun, Nov 1 - Tue, Nov 10

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

$379United Airlines

Mon, Nov 2 - Tue, Nov 10

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

5h 13mnonstop

2:54 pm - 9:09 pmPHX Phoenix Sky Harbor Intl-IAD Washington, D.C. Dulles Intl

4h 15mnonstop

$379United Airlines

Wed, Nov 25 - Wed, Dec 2

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

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

Frontier

Nov 27

IAD1:09 pmWashington, D.C. Dulles Intl

24h 16m

1 stop

PHX11:25 amPhoenix Sky Harbor Intl

Nov 30

PHX12:30 pmPhoenix Sky Harbor Intl

14h 40m

1 stop

IAD5:10 amWashington, D.C. Dulles Intl

$362

Frontier

Oct 15

IAD7:54 amWashington, D.C. Dulles Intl

19h 16m

2 stops

PHX12:10 amPhoenix Sky Harbor Intl

Oct 18

PHX10:12 pmPhoenix Sky Harbor Intl

23h 09m

2 stops

IAD12:21 amWashington, D.C. Dulles Intl

$366

Frontier

Oct 15

IAD7:54 amWashington, D.C. Dulles Intl

19h 16m

2 stops

PHX12:10 amPhoenix Sky Harbor Intl

Oct 18

PHX7:38 pmPhoenix Sky Harbor Intl

7h 42m

1 stop

IAD6:20 amWashington, D.C. Dulles Intl

$367

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

IAD6:00 pmWashington, D.C. Dulles Intl

4h 54m

PHX7:54 pmPhoenix Sky Harbor Intl

Oct 25

PHX10:59 pmPhoenix Sky Harbor Intl

4h 09m

IAD6:08 amWashington, D.C. Dulles Intl

$379

United Airlines

Oct 24

IAD6:00 pmWashington, D.C. Dulles Intl

4h 54m

PHX7:54 pmPhoenix Sky Harbor Intl

Oct 27

PHX10:35 amPhoenix Sky Harbor Intl

9h 09m

1 stop

IAD10:44 pmWashington, D.C. Dulles Intl

$385

United Airlines

Oct 21

IAD1:10 pmWashington, D.C. Dulles Intl

8h 43m

1 stop

PHX6:53 pmPhoenix Sky Harbor Intl

Oct 24

PHX2:05 pmPhoenix Sky Harbor Intl

4h 22m

IAD9:27 pmWashington, D.C. Dulles Intl

$389

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

Fri 12/4

7:00 am-5:35 pm

1 stop12h 35m

Phoenix Sky Harbor Intl

Sun 12/6

11:36 am-8:11 pm

1 stop6h 35m

$363

Washington, D.C.Phoenix

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

IADPHX

Washington, D.C. Dulles Intl

Fri 12/4

8:57 pm-10:41 am

1 stop15h 44m

Phoenix Sky Harbor Intl

Tue 12/8

11:36 am-8:11 pm

1 stop6h 35m

$366

Washington, D.C.Phoenix

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

IADPHX

Washington, D.C. Dulles Intl

Fri 2/5

8:28 pm-6:42 am

1 stop12h 14m

Phoenix Sky Harbor Intl

Sun 2/7

7:49 am-5:50 pm

1 stop8h 01m

$366

Washington, D.C.Phoenix

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

IADPHX

Washington, D.C. Dulles Intl

Thu 10/22

9:06 pm-11:34 am

2 stops17h 28m

Phoenix Sky Harbor Intl

Sun 10/25

10:12 pm-10:17 am

1 stop9h 05m

$366

Washington, D.C.Phoenix

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

IADPHX

Washington, D.C. Dulles Intl

Fri 12/4

7:00 am-5:35 pm

1 stop12h 35m

Phoenix Sky Harbor Intl

Sat 12/5

8:05 am-5:39 pm

1 stop7h 34m

$368

Washington, D.C.Phoenix

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

IADPHX

Washington, D.C. Dulles Intl

Wed 10/28

9:38 am-6:00 pm

1 stop11h 22m

Phoenix Sky Harbor Intl

Sat 10/31

7:38 am-5:50 pm

1 stop7h 12m

$369

Washington, D.C.Phoenix

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

IADPHX

Washington, D.C. Dulles Intl

Mon 1/4

12:55 pm-4:09 pm

Nonstop5h 14m

Phoenix Sky Harbor Intl

Sun 1/10

3:10 pm-9:25 pm

Nonstop4h 15m

$379

Quickest round-trip

Washington, D.C.Phoenix

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

IADPHX

Washington, D.C. Dulles Intl

Sat 12/5

12:55 pm-4:08 pm

Nonstop5h 13m

Phoenix Sky Harbor Intl

Tue 12/8

2:54 pm-9:09 pm

Nonstop4h 15m

$379

Washington, D.C.Phoenix

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

IADPHX

Washington, D.C. Dulles Intl

Thu 12/10

8:07 pm-1:03 am

1 stop6h 56m

Phoenix Sky Harbor Intl

Sun 12/13

5:00 am-1:50 pm

1 stop6h 50m

$399

Washington, D.C.Phoenix

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

IADPHX

Washington, D.C. Dulles Intl

Fri 12/11

7:14 am-3:17 pm

1 stop10h 03m

Phoenix Sky Harbor Intl

Tue 12/15

12:20 pm-11:29 pm

1 stop9h 09m

$399

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 $400 to $617.
The lowest price recently found on this route was $362.

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

In general, February 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 $434. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of February, then departing from Washington, D.C. Dulles Intl Airport during the month January is also very affordable. Most momondo users find prices during this month for around $435.

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 $486. 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 $593. 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 $515. 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 $486 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 $430 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.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flights?

You could potentially save up to 26% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flight.

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

As of September 2026, prices for Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flights are approximately 7% 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	$186
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 $186. 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 $363.

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 September 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 36.31% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 16.18%, Boeing 737-800 at 14.68%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 14.49%.
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 (74% of total bookings). The next most popular airlines are Southwest (11%), 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 2,568 reviews	Search Frontier flights
Delta	PriceFrom $247	Free Cancellation	Rating 7.8 8,604 reviews	Search Delta flights
Alaska Airlines	PriceFrom $252	Free Cancellation	Rating 7.9 12,985 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $281	Free Cancellation	Rating 8.0 4,202 reviews	Search Southwest flights
United Airlines	PriceFrom $324	Free Cancellation	Rating 7.4 10,246 reviews	Search United Airlines flights
American Airlines	PriceFrom $358	Free Cancellation	Rating 7.0 12,097 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 7 times per week, with 10,246 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 $324 (round-trip), much lower than the average airfare cost of $513 for United Airlines flights on this route.

Scottsdale

Mesa

Tempe

Chandler

Glendale

Goodyear

Peoria

Gilbert

Surprise

Payson

Casa Grande

Buckeye

Paradise Valley

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

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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.

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Cheap flights from Washington, D.C. Dulles Intl Airport to Phoenix from $186

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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

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