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

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

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 4 per day as of October 2025. The most frequent departure time is 5:00PM, with 79% of daily flights leaving in the afternoon.

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 68% of people opting to fly with this airline when traveling to Phoenix. Keep in mind that there are 5 different airlines that fly to Phoenix on a routine basis, so you have a few additional options to choose from.

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 October 2025, there are 5 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.

$121 Cheap Flights from Washington, D.C. Dulles Intl Airport to Phoenix in 2025/26

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

As of October 2025, 33 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 21% of weekly flights taking off on this day.

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 $300 to $487. The lowest price recently found on this route was $265.

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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.

10:00 am - 9:49 amIAD-PHX

25h 49m1 stop

6:00 am - 4:24 pmPHX-IAD

8h 24m1 stop

$265Multiple Airlines

Find Deal

Wed, Dec 10 - Fri, Dec 12

8:00 am - 2:27 pmIAD-PHX

8h 27m1 stop

2:23 pm - 11:55 pmPHX-IAD

7h 32m1 stop

$267Multiple Airlines

Find Deal

Tue, Nov 4 - Sat, Nov 15

9:00 am - 6:31 pmIAD-PHX

11h 31m2 stops

6:00 am - 4:24 pmPHX-IAD

8h 24m1 stop

$268Frontier

Find Deal

Tue, Dec 2 - Fri, Dec 5

10:00 am - 9:49 amIAD-PHX

25h 49m1 stop

6:00 am - 5:25 pmPHX-IAD

9h 25m1 stop

$269Multiple Airlines

Find Deal

Wed, Dec 3 - Mon, Dec 8

8:40 am - 10:23 pmIAD-PHX

39h 43m2 stops

2:23 pm - 11:55 pmPHX-IAD

7h 32m1 stop

$272Frontier

Find Deal

Tue, Nov 4 - Sat, Nov 15

6:03 am - 11:53 amIAD-PHX

7h 50m1 stop

6:00 am - 2:39 pmPHX-IAD

6h 39m1 stop

$307Delta

Find Deal

Mon, Nov 24 - Thu, Nov 27

12:26 pm - 8:32 amIAD-PHX

22h 06m1 stop

6:50 pm - 11:23 amPHX-IAD

14h 33m1 stop

$315Sun Country Air

Find Deal

Sun, Nov 23 - Thu, Nov 27

5:50 pm - 9:00 pmIAD-PHX

5h 10mnonstop

11:00 am - 5:05 pmPHX-IAD

4h 05mnonstop

$319Southwest

Find Deal

Mon, Nov 24 - Wed, Dec 3

5:50 pm - 9:00 pmIAD-PHX

5h 10mnonstop

9:20 am - 7:10 pmPHX-IAD

7h 50m1 stop

$329Southwest

Find Deal

Mon, Nov 24 - Tue, Nov 25

6:00 am - 12:35 pmIAD-PHX

8h 35m1 stop

11:35 pm - 9:49 amPHX-IAD

8h 14m1 stop

$333Delta

Find Deal

Wed, Dec 31 - Wed, Dec 31

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

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

Frontier

Dec 2

IAD9:00 amWashington, D.C. Dulles Intl

11h 31m

2 stops

PHX6:31 pmPhoenix Sky Harbor Intl

Dec 5

PHX6:00 amPhoenix Sky Harbor Intl

8h 24m

1 stop

IAD4:24 pmWashington, D.C. Dulles Intl

$268

Find similar

Frontier

Nov 4

IAD8:40 amWashington, D.C. Dulles Intl

39h 43m

2 stops

PHX10:23 pmPhoenix Sky Harbor Intl

Nov 15

PHX2:23 pmPhoenix Sky Harbor Intl

7h 32m

1 stop

IAD11:55 pmWashington, D.C. Dulles Intl

$272

Find similar

Frontier

Nov 7

IAD6:00 amWashington, D.C. Dulles Intl

11h 03m

1 stop

PHX3:03 pmPhoenix Sky Harbor Intl

Nov 20

PHX6:00 amPhoenix Sky Harbor Intl

9h 46m

1 stop

IAD5:46 pmWashington, D.C. Dulles Intl

$273

Find similar

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

Nov 24

IAD6:17 pmWashington, D.C. Dulles Intl

17h 25m

1 stop

PHX9:42 amPhoenix Sky Harbor Intl

Dec 2

PHX3:55 pmPhoenix Sky Harbor Intl

23h 35m

1 stop

IAD5:30 pmWashington, D.C. Dulles Intl

$334

Find similar

Alaska Airlines

Jan 20

IAD5:26 pmWashington, D.C. Dulles Intl

24h 34m

2 stops

PHX4:00 pmPhoenix Sky Harbor Intl

Jan 27

PHX1:16 pmPhoenix Sky Harbor Intl

25h 48m

2 stops

IAD5:04 pmWashington, D.C. Dulles Intl

$335

Find similar

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

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 12/10

10:00 am-9:49 am

1 stop25h 49m

Phoenix Sky Harbor Intl

Fri 12/12

6:00 am-4:24 pm

1 stop8h 24m

$265

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 11/4

8:00 am-2:27 pm

1 stop8h 27m

Phoenix Sky Harbor Intl

Sat 11/15

2:23 pm-11:55 pm

1 stop7h 32m

$267

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 12/2

9:00 am-6:31 pm

2 stops11h 31m

Phoenix Sky Harbor Intl

Fri 12/5

6:00 am-4:24 pm

1 stop8h 24m

$268

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 12/3

10:00 am-9:49 am

1 stop25h 49m

Phoenix Sky Harbor Intl

Mon 12/8

6:00 am-5:25 pm

1 stop9h 25m

$269

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 11/4

8:40 am-10:23 pm

2 stops39h 43m

Phoenix Sky Harbor Intl

Sat 11/15

2:23 pm-11:55 pm

1 stop7h 32m

$272

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Mon 11/24

6:03 am-11:53 am

1 stop7h 50m

Phoenix Sky Harbor Intl

Thu 11/27

6:00 am-2:39 pm

1 stop6h 39m

$307

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sun 11/23

12:26 pm-8:32 am

1 stop22h 06m

Phoenix Sky Harbor Intl

Thu 11/27

6:50 pm-11:23 am

1 stop14h 33m

$315

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Mon 11/24

5:50 pm-9:00 pm

Nonstop5h 10m

Phoenix Sky Harbor Intl

Wed 12/3

11:00 am-5:05 pm

Nonstop4h 05m

$319

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Mon 11/24

5:50 pm-9:00 pm

Nonstop5h 10m

Phoenix Sky Harbor Intl

Tue 11/25

9:20 am-7:10 pm

1 stop7h 50m

$329

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 12/31

6:00 am-12:35 pm

1 stop8h 35m

Phoenix Sky Harbor Intl

Wed 12/31

11:35 pm-9:49 am

1 stop8h 14m

$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

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 November is also very affordable. Most momondo users find prices during this month for around $378.

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 $410. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday 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 $498.

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

The cheapest time of day to fly to Phoenix is at noon when flights can be purchased for as low as $407. In the evening is when there is more demand to fly to Phoenix, so prices are often more expensive at around $589 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 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 $400 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 $340 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl 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	5h 00m
Direct flights	Every day
Airports in Phoenix	1 airport

The fastest flight from Washington, D.C. Dulles Intl Airport to Phoenix takes 5h 00m

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

There is 1 airport near Phoenix: Phoenix Sky Harbor Intl (PHX)

Search flight deals

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 5h 10m 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 October 2025, there are 5 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 $148	Free Cancellation	Rating 5.8 3,122 reviews	Search Frontier flights
Southwest	PriceFrom $270	Free Cancellation	Rating 8.0 4,236 reviews	Search Southwest flights
Delta	PriceFrom $276	Free Cancellation	Rating 7.9 7,996 reviews	Search Delta flights
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 8,997 reviews	Search United Airlines flights
American Airlines	PriceFrom $366	Free Cancellation	Rating 7.2 11,033 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 $121

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

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

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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.

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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

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 November is also very affordable. Most momondo users find prices during this month for around $378.

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?

The cheapest time of day to fly to Phoenix is at noon when flights can be purchased for as low as $407. In the evening is when there is more demand to fly to Phoenix, so prices are often more expensive at around $589 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 to Phoenix?

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

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

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

Frontier, Southwest, and United Airlines are the most popular carriers operating 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?

The number of flights available between Washington, D.C. Dulles Intl Airport and Phoenix is 4 per day as of October 2025. The most frequent departure time is 5:00PM, with 79% of daily flights leaving in the afternoon.

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

As of October 2025, 33 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 21% of weekly flights taking off on this day.

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

How far is Washington, D.C. Dulles Intl to Phoenix by plane?

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

How many operators does momondo search 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?

What documentation or ID do you need to fly 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?

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

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

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

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

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