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

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

What airlines fly to Phoenix?

United Airlines, Southwest and Frontier are the top three most popular airlines that fly to Phoenix from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 73% of people opting to fly with this airline when traveling to Phoenix. Keep in mind that there are 6 different airlines that fly to Phoenix on a routine basis, so you have a few additional options to choose from.

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

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

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Phoenix?

Prices for flights from Washington, D.C. Dulles Intl Airport to Phoenix are refreshed on a daily basis.

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

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

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Phoenix?

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.

What documentation or ID do you need to fly to Phoenix?

The required travel and health documents for your Phoenix trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Phoenix. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$172 Cheap Flights from Washington, D.C. Dulles Intl Airport to Phoenix in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $356 to $560. The lowest price recently found on this route was $319.

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

As of June 2026, 35 flights take off from Washington, D.C. Dulles Intl Airport and land in Phoenix each week. The most common flight departure day for this route is Mon, with 14% 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.

7:47 pm - 11:31 am

IAD

PHX

18h 44m

1 stop

7:49 pm - 6:14 pm

PHX

IAD

19h 25m

1 stop

$319Alaska Airlines

Mon, Sep 14 - Mon, Sep 21

8:59 am - 12:59 pm

IAD

PHX

7h 00m

1 stop

6:00 am - 6:29 pm

PHX

IAD

9h 29m

1 stop

$320Frontier

Tue, Sep 1 - Sun, Sep 6

9:50 am - 11:05 pm

IAD

PHX

16h 15m

1 stop

12:12 am - 12:26 pm

PHX

IAD

9h 14m

1 stop

$321Frontier

Sun, Jul 26 - Fri, Aug 7

9:50 am - 11:05 pm

IAD

PHX

16h 15m

1 stop

4:20 pm - 2:26 pm

PHX

IAD

19h 06m

1 stop

$323Multiple Airlines

Wed, Jul 15 - Sun, Jul 19

9:50 am - 11:05 pm

IAD

PHX

16h 15m

1 stop

6:24 am - 6:01 pm

PHX

IAD

8h 37m

1 stop

$324Frontier

Wed, Aug 5 - Thu, Aug 13

5:33 pm - 10:31 am

IAD

PHX

19h 58m

1 stop

7:36 am - 5:53 pm

PHX

IAD

7h 17m

1 stop

$325Alaska Airlines

Sat, Oct 3 - Tue, Oct 6

6:46 pm - 10:59 pm

IAD

PHX

7h 13m

1 stop

9:58 pm - 8:20 am

PHX

IAD

7h 22m

1 stop

$326Frontier

Thu, Aug 6 - Thu, Aug 13

9:50 am - 11:05 pm

IAD

PHX

16h 15m

1 stop

9:58 pm - 8:20 am

PHX

IAD

7h 22m

1 stop

$327Frontier

Sun, Jul 26 - Thu, Aug 6

9:50 am - 11:05 pm

IAD

PHX

16h 15m

1 stop

9:58 pm - 8:20 am

PHX

IAD

7h 22m

1 stop

$328Frontier

Sun, Jul 26 - Fri, Aug 7

5:50 pm - 7:46 pm

IAD

PHX

4h 56mnonstop

8:55 am - 4:23 pm

PHX

IAD

4h 28mnonstop

$329United Airlines

Fri, Aug 7 - Fri, Aug 14

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

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

Delta

Jul 31

IAD6:00 amWashington, D.C. Dulles Intl

6h 44m

1 stop

PHX9:44 amPhoenix Sky Harbor Intl

Aug 2

PHX11:04 pmPhoenix Sky Harbor Intl

8h 19m

1 stop

IAD10:23 amWashington, D.C. Dulles Intl

$359

Delta

Jul 4

IAD4:00 pmWashington, D.C. Dulles Intl

9h 47m

1 stop

PHX10:47 pmPhoenix Sky Harbor Intl

Jul 22

PHX6:00 amPhoenix Sky Harbor Intl

9h 19m

1 stop

IAD6:19 pmWashington, D.C. Dulles Intl

$384

Delta

Jul 1

IAD12:39 pmWashington, D.C. Dulles Intl

6h 46m

1 stop

PHX4:25 pmPhoenix Sky Harbor Intl

Jul 9

PHX11:04 pmPhoenix Sky Harbor Intl

8h 19m

1 stop

IAD10:23 amWashington, D.C. Dulles Intl

$398

Alaska Airlines flights from Washington, D.C. Dulles Intl Airport to Phoenix

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

Alaska Airlines

Sep 14

IAD7:47 pmWashington, D.C. Dulles Intl

18h 44m

1 stop

PHX11:31 amPhoenix Sky Harbor Intl

Sep 21

PHX7:49 pmPhoenix Sky Harbor Intl

19h 25m

1 stop

IAD6:14 pmWashington, D.C. Dulles Intl

$319

Alaska Airlines

Oct 3

IAD5:33 pmWashington, D.C. Dulles Intl

19h 58m

1 stop

PHX10:31 amPhoenix Sky Harbor Intl

Oct 6

PHX7:36 amPhoenix Sky Harbor Intl

7h 17m

1 stop

IAD5:53 pmWashington, D.C. Dulles Intl

$325

Alaska Airlines

Oct 22

IAD7:24 pmWashington, D.C. Dulles Intl

17h 02m

1 stop

PHX9:26 amPhoenix Sky Harbor Intl

Oct 28

PHX7:24 pmPhoenix Sky Harbor Intl

19h 29m

1 stop

IAD5:53 pmWashington, D.C. Dulles Intl

$333

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Mon 9/14

7:47 pm-11:31 am

1 stop18h 44m

Phoenix Sky Harbor Intl

Mon 9/21

7:49 pm-6:14 pm

1 stop19h 25m

$319

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 9/1

8:59 am-12:59 pm

1 stop7h 00m

Phoenix Sky Harbor Intl

Sun 9/6

6:00 am-6:29 pm

1 stop9h 29m

$320

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sun 7/26

9:50 am-11:05 pm

1 stop16h 15m

Phoenix Sky Harbor Intl

Fri 8/7

12:12 am-12:26 pm

1 stop9h 14m

$321

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 7/15

9:50 am-11:05 pm

1 stop16h 15m

Phoenix Sky Harbor Intl

Sun 7/19

4:20 pm-2:26 pm

1 stop19h 06m

$323

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 8/5

9:50 am-11:05 pm

1 stop16h 15m

Phoenix Sky Harbor Intl

Thu 8/13

6:24 am-6:01 pm

1 stop8h 37m

$324

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 10/3

5:33 pm-10:31 am

1 stop19h 58m

Phoenix Sky Harbor Intl

Tue 10/6

7:36 am-5:53 pm

1 stop7h 17m

$325

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Thu 8/6

6:46 pm-10:59 pm

1 stop7h 13m

Phoenix Sky Harbor Intl

Thu 8/13

9:58 pm-8:20 am

1 stop7h 22m

$326

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sun 7/26

9:50 am-11:05 pm

1 stop16h 15m

Phoenix Sky Harbor Intl

Thu 8/6

9:58 pm-8:20 am

1 stop7h 22m

$327

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sun 7/26

9:50 am-11:05 pm

1 stop16h 15m

Phoenix Sky Harbor Intl

Fri 8/7

9:58 pm-8:20 am

1 stop7h 22m

$328

Quickest round-trip

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Fri 8/7

5:50 pm-7:46 pm

Nonstop4h 56m

Phoenix Sky Harbor Intl

Fri 8/14

8:55 am-4:23 pm

Nonstop4h 28m

$329

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

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

Other information

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

What is the cheapest month to fly to Phoenix?

If you are unable to visit Phoenix during the month of August, then departing from Washington, D.C. Dulles Intl Airport during the month July is also very affordable. Most momondo users find prices during this month for around $163.

What is the cheapest day to depart on your flight to Phoenix?

On average, the least expensive day to fly to Phoenix from Washington, D.C. Dulles Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $476. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $562.

What is the cheapest time of day to depart on your flight to Phoenix?

The cheapest time of day to fly to Phoenix is in the afternoon when flights can be purchased for as low as $494. In the evening is when there is more demand to fly to Phoenix, so prices are often more expensive at around $578 per ticket.

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

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

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

You are more likely to see cheaper flights to Phoenix 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 for around $445 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix from Washington, D.C. Dulles Intl Airport for as low as $377 on momondo.

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

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

Cheap Washington, D.C. Dulles Intl Airport to Phoenix 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

Fastest flight time	4h 54m
Direct flights	Every day
Airports in Phoenix	3 airports

The fastest flight from Washington, D.C. Dulles Intl Airport to Phoenix takes 4h 54m

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

There are 3 airports in Phoenix. From Washington, D.C. Dulles Intl Airport there are direct flights to Phoenix Sky Harbor Intl (PHX).

Search flight deals

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

How far is Washington, D.C. Dulles Intl to Phoenix by plane?
Phoenix is 1954.1 mi away from Washington, D.C. Dulles Intl. Typically, this will take 4h 54m by plane in normal conditions.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Phoenix?
Prices for flights from Washington, D.C. Dulles Intl Airport to Phoenix are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Phoenix?
As of June 2026, there are 6 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Phoenix.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Phoenix?
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.
What documentation or ID do you need to fly to Phoenix?
The required travel and health documents for your Phoenix trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Phoenix. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $163	Free Cancellation	Rating 5.6 2,875 reviews	Search Frontier flights
Southwest	PriceFrom $229	Free Cancellation	Rating 7.9 4,242 reviews	Search Southwest flights
Delta	PriceFrom $243	Free Cancellation	Rating 7.8 8,424 reviews	Search Delta flights
Alaska Airlines	PriceFrom $252	Free Cancellation	Rating 7.9 12,558 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $284	Free Cancellation	Rating 7.4 9,870 reviews	Search United Airlines flights
American Airlines	PriceFrom $376	Free Cancellation	Rating 7.1 11,728 reviews	Search American Airlines flights

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Phoenix flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Phoenix that suits you.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Phoenix flights to just show those with 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?

Of course. momondo tracks the price of Washington, D.C. to Phoenix flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Washington, D.C. Dulles Intl Airport to Phoenix from $172

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

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

Alaska Airlines flights from Washington, D.C. Dulles Intl Airport to Phoenix

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

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Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Phoenix 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

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

What is the cheapest month to fly to Phoenix?

What is the cheapest day to depart on your flight to Phoenix?

What is the cheapest time of day to depart on your flight to Phoenix?

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

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

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

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

What airlines fly to Phoenix?

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

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

Cheap Washington, D.C. Dulles Intl Airport to Phoenix 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

Fastest flight time

Direct flights

Airports in Phoenix

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

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

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

Why use momondo?

An easier way to manage your Phoenix 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 the United States

Fly into one of these airports located in Phoenix

Airports listed have a maximum distance of 25.4 mi from Phoenix

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