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 71% 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.

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

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 6 per day as of March 2026. The most frequent departure time is 5:00PM, with 81% 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 March 2026, 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.

$122 Cheap Flights from Washington, D.C. Dulles Intl Airport to Phoenix in 2026

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

As of March 2026, 46 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 17% of weekly flights taking off on this day.

Discover deals from 900+ travel sites with momondo.

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

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.

9:00 am - 6:26 pm

IAD

PHX

12h 26m

2 stops

3:43 pm - 5:41 pm

PHX

IAD

22h 58m

1 stop

$323Alaska Airlines

Wed, Apr 29 - Mon, May 4

8:00 am - 9:17 am

IAD

PHX

28h 17m

1 stop

11:30 pm - 10:12 am

PHX

IAD

7h 42m

1 stop

$324Multiple Airlines

Sun, May 10 - Wed, May 13

8:00 am - 10:41 pm

IAD

PHX

17h 41m

1 stop

9:00 am - 12:36 am

PHX

IAD

12h 36m

2 stops

$325Multiple Airlines

Sun, Apr 12 - Thu, Apr 16

12:36 pm - 6:35 pm

IAD

PHX

8h 59m

1 stop

11:30 pm - 10:12 am

PHX

IAD

7h 42m

1 stop

$326Frontier

Sun, May 10 - Wed, May 13

6:22 pm - 11:27 pm

IAD

PHX

8h 05m

1 stop

7:00 am - 5:22 pm

PHX

IAD

7h 22m

1 stop

$327Alaska Airlines

Fri, Apr 10 - Tue, Apr 14

1:36 pm - 7:35 am

IAD

PHX

20h 59m

2 stops

10:29 pm - 9:54 am

PHX

IAD

8h 25m

1 stop

$328Frontier

Sat, Apr 11 - Fri, Apr 17

8:00 am - 10:41 pm

IAD

PHX

17h 41m

1 stop

10:29 pm - 9:54 am

PHX

IAD

8h 25m

1 stop

$329Multiple Airlines

Sun, Apr 12 - Fri, Apr 17

8:20 am - 5:57 pm

IAD

PHX

12h 37m

2 stops

12:38 pm - 12:36 am

PHX

IAD

8h 58m

1 stop

$330Frontier

Tue, Apr 21 - Sat, Apr 25

9:00 am - 4:50 pm

IAD

PHX

10h 50m

1 stop

10:58 am - 12:09 am

PHX

IAD

10h 11m

1 stop

$331Alaska Airlines

Sat, May 2 - Thu, May 7

11:37 am - 3:57 pm

IAD

PHX

7h 20m

1 stop

1:00 pm - 7:27 am

PHX

IAD

15h 27m

2 stops

$332Multiple Airlines

Mon, Apr 20 - Fri, Apr 24

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

Mar 25

IAD6:20 amWashington, D.C. Dulles Intl

8h 50m

1 stop

PHX12:10 pmPhoenix Sky Harbor Intl

Mar 26

PHX5:15 amPhoenix Sky Harbor Intl

9h 19m

1 stop

IAD5:34 pmWashington, D.C. Dulles Intl

$325

Frontier

May 10

IAD12:36 pmWashington, D.C. Dulles Intl

8h 59m

1 stop

PHX6:35 pmPhoenix Sky Harbor Intl

May 13

PHX11:30 pmPhoenix Sky Harbor Intl

7h 42m

1 stop

IAD10:12 amWashington, D.C. Dulles Intl

$326

Frontier

Apr 11

IAD1:36 pmWashington, D.C. Dulles Intl

20h 59m

2 stops

PHX7:35 amPhoenix Sky Harbor Intl

Apr 17

PHX10:29 pmPhoenix Sky Harbor Intl

8h 25m

1 stop

IAD9:54 amWashington, D.C. Dulles Intl

$328

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

Apr 29

IAD9:00 amWashington, D.C. Dulles Intl

12h 26m

2 stops

PHX6:26 pmPhoenix Sky Harbor Intl

May 4

PHX3:43 pmPhoenix Sky Harbor Intl

22h 58m

1 stop

IAD5:41 pmWashington, D.C. Dulles Intl

$323

Alaska Airlines

Apr 10

IAD6:22 pmWashington, D.C. Dulles Intl

8h 05m

1 stop

PHX11:27 pmPhoenix Sky Harbor Intl

Apr 14

PHX7:00 amPhoenix Sky Harbor Intl

7h 22m

1 stop

IAD5:22 pmWashington, D.C. Dulles Intl

$327

Alaska Airlines

May 2

IAD7:10 amWashington, D.C. Dulles Intl

10h 50m

1 stop

PHX3:00 pmPhoenix Sky Harbor Intl

May 6

PHX5:00 amPhoenix Sky Harbor Intl

10h 20m

1 stop

IAD6:20 pmWashington, D.C. Dulles Intl

$331

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

Wed 4/29

9:00 am-6:26 pm

2 stops12h 26m

Phoenix Sky Harbor Intl

Mon 5/4

3:43 pm-5:41 pm

1 stop22h 58m

$323

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sun 5/10

8:00 am-9:17 am

1 stop28h 17m

Phoenix Sky Harbor Intl

Wed 5/13

11:30 pm-10:12 am

1 stop7h 42m

$324

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sun 4/12

8:00 am-10:41 pm

1 stop17h 41m

Phoenix Sky Harbor Intl

Thu 4/16

9:00 am-12:36 am

2 stops12h 36m

$325

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sun 5/10

12:36 pm-6:35 pm

1 stop8h 59m

Phoenix Sky Harbor Intl

Wed 5/13

11:30 pm-10:12 am

1 stop7h 42m

$326

Quickest round-trip

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Fri 4/10

6:22 pm-11:27 pm

1 stop8h 05m

Phoenix Sky Harbor Intl

Tue 4/14

7:00 am-5:22 pm

1 stop7h 22m

$327

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 4/11

1:36 pm-7:35 am

2 stops20h 59m

Phoenix Sky Harbor Intl

Fri 4/17

10:29 pm-9:54 am

1 stop8h 25m

$328

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sun 4/12

8:00 am-10:41 pm

1 stop17h 41m

Phoenix Sky Harbor Intl

Fri 4/17

10:29 pm-9:54 am

1 stop8h 25m

$329

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 4/21

8:20 am-5:57 pm

2 stops12h 37m

Phoenix Sky Harbor Intl

Sat 4/25

12:38 pm-12:36 am

1 stop8h 58m

$330

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 5/2

9:00 am-4:50 pm

1 stop10h 50m

Phoenix Sky Harbor Intl

Thu 5/7

10:58 am-12:09 am

1 stop10h 11m

$331

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Mon 4/20

11:37 am-3:57 pm

1 stop7h 20m

Phoenix Sky Harbor Intl

Fri 4/24

1:00 pm-7:27 am

2 stops15h 27m

$332

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 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 $381.

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 $439. 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 $525.

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 $451. In the evening is when there is more demand to fly to Phoenix, so prices are often more expensive at around $539 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 $420 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 $350 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	4h 56m
Direct flights	Every day
Airports in Phoenix	3 airports

The fastest flight from Washington, D.C. Dulles Intl Airport to Phoenix takes 4h 56m

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

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 56m 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 March 2026, 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 $163	Free Cancellation	Rating 5.7 3,018 reviews	Search Frontier flights
Southwest	PriceFrom $239	Free Cancellation	Rating 8.0 4,331 reviews	Search Southwest flights
Delta	PriceFrom $243	Free Cancellation	Rating 7.9 8,320 reviews	Search Delta flights
United Airlines	PriceFrom $274	Free Cancellation	Rating 7.4 9,469 reviews	Search United Airlines flights
American Airlines	PriceFrom $376	Free Cancellation	Rating 7.1 11,492 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.

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.

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 4/23

Thu 4/30

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 the United States

Nearby airports

Airlines

Other United States destinations

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

Complete your trip

Feeling lucky

Fly into one of these airports located in Phoenix

Phoenix-Mesa Gateway Airport

Cheap flights from Washington, D.C. Dulles Intl Airport to Phoenix from $122

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

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

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

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

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.

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 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 to Phoenix?

What cabin class options are available on Washington, D.C. Dulles Intl 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

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

Fly your favorite airline to Phoenix

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

Popular cities in the United States

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

Fly to other destinations from Washington, D.C. Dulles Intl Airport

According to popular flight searches on momondo this year

Complete your trip to Phoenix

Explore popular destinations other users love

According to popular flight searches on momondo this year