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 6 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?

Frontier, Hawaiian Airlines, and Delta 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 September 2025. 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 September 2025, 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.

$127 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 September 2025, 45 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 16% of weekly flights taking off on this day.

1 adult

0 bags

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

8:00 am - 9:04 amIAD-PHX

27h 04m2 stops

2:01 pm - 12:19 amPHX-IAD

8h 18m1 stop

$257Frontier

Find Deal

Wed, Dec 10 - Fri, Dec 12

7:10 am - 12:13 pmIAD-PHX

8h 03m1 stop

7:30 am - 12:11 amPHX-IAD

14h 41m2 stops

$259Frontier

Find Deal

Sat, Nov 1 - Thu, Nov 6

10:09 pm - 2:57 pmIAD-PHX

19h 48m2 stops

5:29 pm - 3:17 pmPHX-IAD

18h 48m2 stops

$260Frontier

Find Deal

Sun, Oct 5 - Fri, Oct 10

6:25 am - 2:44 pmIAD-PHX

11h 19m1 stop

10:59 pm - 7:07 pmPHX-IAD

17h 08m1 stop

$264Multiple Airlines

Find Deal

Tue, Oct 21 - Wed, Oct 22

12:50 pm - 12:37 pmIAD-PHX

25h 47m2 stops

2:01 pm - 12:19 amPHX-IAD

8h 18m1 stop

$265Multiple Airlines

Find Deal

Sun, Nov 23 - Fri, Dec 5

5:30 pm - 8:43 pmIAD-PHX

5h 13mnonstop

11:59 pm - 6:12 amPHX-IAD

4h 13mnonstop

$270United Airlines

Find Deal

Fri, Nov 7 - Sun, Nov 9

6:03 am - 2:00 pmIAD-PHX

9h 57m1 stop

3:20 pm - 12:02 amPHX-IAD

6h 42m1 stop

$277Delta

Find Deal

Tue, Dec 2 - Fri, Dec 5

6:30 pm - 12:15 amIAD-PHX

8h 45m1 stop

1:45 pm - 9:06 pmPHX-IAD

4h 21mnonstop

$281United Airlines

Find Deal

Sat, Oct 18 - Sat, Oct 25

5:42 pm - 10:39 pmIAD-PHX

7h 57m1 stop

6:00 am - 4:42 pmPHX-IAD

7h 42m1 stop

$302Hawaiian Airlines

Find Deal

Wed, Oct 15 - Wed, Oct 22

5:42 pm - 10:39 pmIAD-PHX

7h 57m1 stop

11:10 am - 12:23 amPHX-IAD

10h 13m1 stop

$314Hawaiian Airlines

Find Deal

Wed, Oct 8 - Wed, Oct 15

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 10

IAD8:00 amWashington, D.C. Dulles Intl

27h 04m

2 stops

PHX9:04 amPhoenix Sky Harbor Intl

Dec 12

PHX2:01 pmPhoenix Sky Harbor Intl

8h 18m

1 stop

IAD12:19 amWashington, D.C. Dulles Intl

$257

Find similar

Frontier

Nov 1

IAD7:10 amWashington, D.C. Dulles Intl

8h 03m

1 stop

PHX12:13 pmPhoenix Sky Harbor Intl

Nov 6

PHX7:30 amPhoenix Sky Harbor Intl

14h 41m

2 stops

IAD12:11 amWashington, D.C. Dulles Intl

$259

Find similar

Frontier

Oct 5

IAD10:09 pmWashington, D.C. Dulles Intl

19h 48m

2 stops

PHX2:57 pmPhoenix Sky Harbor Intl

Oct 10

PHX5:29 pmPhoenix Sky Harbor Intl

18h 48m

2 stops

IAD3:17 pmWashington, D.C. Dulles Intl

$260

Find similar

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

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

United Airlines

Nov 7

IAD5:30 pmWashington, D.C. Dulles Intl

5h 13m

PHX8:43 pmPhoenix Sky Harbor Intl

Nov 9

PHX11:59 pmPhoenix Sky Harbor Intl

4h 13m

IAD6:12 amWashington, D.C. Dulles Intl

$270

Find similar

United Airlines

Oct 18

IAD6:30 pmWashington, D.C. Dulles Intl

8h 45m

1 stop

PHX12:15 amPhoenix Sky Harbor Intl

Oct 25

PHX1:45 pmPhoenix Sky Harbor Intl

4h 21m

IAD9:06 pmWashington, D.C. Dulles Intl

$281

Find similar

United Airlines

Nov 6

IAD5:30 pmWashington, D.C. Dulles Intl

5h 13m

PHX8:43 pmPhoenix Sky Harbor Intl

Nov 9

PHX11:59 pmPhoenix Sky Harbor Intl

4h 13m

IAD6:12 amWashington, D.C. Dulles Intl

$301

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

8:00 am-9:04 am

2 stops27h 04m

Phoenix Sky Harbor Intl

Fri 12/12

2:01 pm-12:19 am

1 stop8h 18m

$257

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 11/1

7:10 am-12:13 pm

1 stop8h 03m

Phoenix Sky Harbor Intl

Thu 11/6

7:30 am-12:11 am

2 stops14h 41m

$259

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sun 10/5

10:09 pm-2:57 pm

2 stops19h 48m

Phoenix Sky Harbor Intl

Fri 10/10

5:29 pm-3:17 pm

2 stops18h 48m

$260

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 10/21

6:25 am-2:44 pm

1 stop11h 19m

Phoenix Sky Harbor Intl

Wed 10/22

10:59 pm-7:07 pm

1 stop17h 08m

$264

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sun 11/23

12:50 pm-12:37 pm

2 stops25h 47m

Phoenix Sky Harbor Intl

Fri 12/5

2:01 pm-12:19 am

1 stop8h 18m

$265

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Fri 11/7

5:30 pm-8:43 pm

Nonstop5h 13m

Phoenix Sky Harbor Intl

Sun 11/9

11:59 pm-6:12 am

Nonstop4h 13m

$270

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 12/2

6:03 am-2:00 pm

1 stop9h 57m

Phoenix Sky Harbor Intl

Fri 12/5

3:20 pm-12:02 am

1 stop6h 42m

$277

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 10/18

6:30 pm-12:15 am

1 stop8h 45m

Phoenix Sky Harbor Intl

Sat 10/25

1:45 pm-9:06 pm

Nonstop4h 21m

$281

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 10/15

5:42 pm-10:39 pm

1 stop7h 57m

Phoenix Sky Harbor Intl

Wed 10/22

6:00 am-4:42 pm

1 stop7h 42m

$302

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 10/8

5:42 pm-10:39 pm

1 stop7h 57m

Phoenix Sky Harbor Intl

Wed 10/15

11:10 am-12:23 am

1 stop10h 13m

$314

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 $380.

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 $413. 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 $503.

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 $382. In the evening is when there is more demand to fly to Phoenix, so prices are often more expensive at around $588 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 $404 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	4h 40m
Direct flights	Every day
Airports in Phoenix	1 airport

The fastest flight from Washington, D.C. Dulles Intl Airport to Phoenix takes 4h 40m

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 4h 48m 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 September 2025, 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 $148	Free Cancellation	Rating 5.8 3,173 reviews	Search Frontier flights
Sun Country Air	PriceFrom $265	Free Cancellation	Rating 6.9 330 reviews	Search Sun Country Air flights
Southwest	PriceFrom $268	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
Delta	PriceFrom $276	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights
United Airlines	PriceFrom $277	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
American Airlines	PriceFrom $366	Free Cancellation	Rating 7.2 10,000 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

Fri 10/17

Fri 10/24

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

Cheap flights from Washington, D.C. Dulles Intl Airport to Phoenix from $127

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

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

Our best United 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

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 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 $380.

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 $382. In the evening is when there is more demand to fly to Phoenix, so prices are often more expensive at around $588 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, Hawaiian Airlines, and Delta 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 6 per day as of September 2025. The most frequent departure time is 5:00PM, with 100% 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 September 2025, 45 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 16% 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