Cheap flights from Washington, D.C. to Phoenix from $123

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Phoenix departing on 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:49 am - 8:53 pm
BWI
-
PHX
14h 04m
1 stop
Frontier Logo
12:20 am - 2:26 pm
PHX
-
BWI
11h 06m
1 stop
$236Frontier
Sat, Jul 11 - Mon, Jul 13
Frontier Logo
10:23 am - 3:49 pm
BWI
-
PHX
8h 26m
1 stop
Frontier Logo
10:44 pm - 8:29 am
PHX
-
BWI
6h 45m
1 stop
$245Frontier
Thu, Sep 17 - Mon, Sep 28
Frontier Logo
5:22 pm - 10:44 pm
BWI
-
PHX
8h 22m
1 stop
Frontier Logo
10:44 pm - 8:29 am
PHX
-
BWI
6h 45m
1 stop
$246Frontier
Tue, Sep 15 - Sun, Sep 20
Multiple Airlines Logo
7:53 pm - 12:23 pm
IAD
-
PHX
19h 30m
1 stop
Multiple Airlines Logo
9:58 pm - 8:20 am
PHX
-
IAD
7h 22m
1 stop
$328Multiple Airlines
Fri, Aug 7 - Sat, Aug 15
American Airlines Logo
7:29 am - 9:22 am
DCA
-
PHX
4h 53mnonstop
American Airlines Logo
11:40 pm - 7:00 am
PHX
-
DCA
4h 20mnonstop
$329American Airlines
Wed, Aug 5 - Mon, Aug 10
United Airlines Logo
6:00 pm - 7:54 pm
IAD
-
PHX
4h 54mnonstop
United Airlines Logo
8:55 am - 4:23 pm
PHX
-
IAD
4h 28mnonstop
$329United Airlines
Sat, Aug 15 - Sat, Aug 22
United Airlines Logo
6:00 pm - 7:54 pm
IAD
-
PHX
4h 54mnonstop
United Airlines Logo
8:55 am - 4:23 pm
PHX
-
IAD
4h 28mnonstop
$331United Airlines
Tue, Sep 1 - Wed, Sep 2
Multiple Airlines Logo
8:59 am - 2:31 pm
DCA
-
PHX
8h 32m
1 stop
Multiple Airlines Logo
6:53 pm - 12:51 pm
PHX
-
DCA
14h 58m
1 stop
$331Multiple Airlines
Fri, Aug 14 - Fri, Aug 14
Alaska Airlines Logo
5:25 pm - 11:16 pm
IAD
-
PHX
7h 51m
1 stop
Alaska Airlines Logo
7:01 am - 7:01 pm
PHX
-
IAD
10h 00m
1 stop
$333Alaska Airlines
Fri, Dec 4 - Mon, Dec 14
American Airlines Logo
7:29 am - 9:22 am
DCA
-
PHX
4h 53mnonstop
American Airlines Logo
12:21 pm - 9:51 pm
PHX
-
DCA
6h 30m
1 stop
$340American Airlines
Wed, Aug 5 - Wed, Aug 12

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

United Airlines flights from Washington, D.C. to Phoenix

Our best United Airlines deals on Washington, D.C. to Phoenix flight tickets
United Airlines
Aug 15
IAD6:00 pmWashington, D.C. Dulles Intl
4h 54m
PHX7:54 pmPhoenix Sky Harbor Intl
Aug 22
PHX8:55 amPhoenix Sky Harbor Intl
4h 28m
IAD4:23 pmWashington, D.C. Dulles Intl
$329
United Airlines
Sep 1
IAD6:00 pmWashington, D.C. Dulles Intl
4h 54m
PHX7:54 pmPhoenix Sky Harbor Intl
Sep 2
PHX8:55 amPhoenix Sky Harbor Intl
4h 28m
IAD4:23 pmWashington, D.C. Dulles Intl
$331
United Airlines
Aug 15
IAD6:00 pmWashington, D.C. Dulles Intl
4h 54m
PHX7:54 pmPhoenix Sky Harbor Intl
Aug 22
PHX9:00 amPhoenix Sky Harbor Intl
9h 20m
1 stop
IAD9:20 pmWashington, D.C. Dulles Intl
$335

American Airlines flights from Washington, D.C. to Phoenix

Our best American Airlines deals on Washington, D.C. to Phoenix flight tickets
American Airlines
Aug 5
DCA7:29 amWashington, D.C. Reagan-National
4h 53m
PHX9:22 amPhoenix Sky Harbor Intl
Aug 10
PHX11:40 pmPhoenix Sky Harbor Intl
4h 20m
DCA7:00 amWashington, D.C. Reagan-National
$329
American Airlines
Aug 5
DCA5:00 amWashington, D.C. Reagan-National
7h 39m
1 stop
PHX9:39 amPhoenix Sky Harbor Intl
Aug 10
PHX11:40 pmPhoenix Sky Harbor Intl
4h 20m
DCA7:00 amWashington, D.C. Reagan-National
$340
American Airlines
Jul 29
DCA5:00 amWashington, D.C. Reagan-National
7h 29m
1 stop
PHX9:29 amPhoenix Sky Harbor Intl
Jul 29
PHX11:52 pmPhoenix Sky Harbor Intl
4h 22m
DCA7:14 amWashington, D.C. Reagan-National
$342

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Phoenix that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 28, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Phoenix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Sat 7/11

9:49 am-8:53 pm

1 stop14h 04m

Phoenix Sky Harbor Intl

Mon 7/13

12:20 am-2:26 pm

1 stop11h 06m

$236

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Thu 9/17

10:23 am-3:49 pm

1 stop8h 26m

Phoenix Sky Harbor Intl

Mon 9/28

10:44 pm-8:29 am

1 stop6h 45m

$245

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Tue 9/15

5:22 pm-10:44 pm

1 stop8h 22m

Phoenix Sky Harbor Intl

Sun 9/20

10:44 pm-8:29 am

1 stop6h 45m

$246

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Fri 8/7

7:53 pm-12:23 pm

1 stop19h 30m

Phoenix Sky Harbor Intl

Sat 8/15

9:58 pm-8:20 am

1 stop7h 22m

$328
Quickest round-trip

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Wed 8/5

7:29 am-9:22 am

Nonstop4h 53m

Phoenix Sky Harbor Intl

Mon 8/10

11:40 pm-7:00 am

Nonstop4h 20m

$329

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 8/15

6:00 pm-7:54 pm

Nonstop4h 54m

Phoenix Sky Harbor Intl

Sat 8/22

8:55 am-4:23 pm

Nonstop4h 28m

$329

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 9/1

6:00 pm-7:54 pm

Nonstop4h 54m

Phoenix Sky Harbor Intl

Wed 9/2

8:55 am-4:23 pm

Nonstop4h 28m

$331

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Fri 8/14

8:59 am-2:31 pm

1 stop8h 32m

Phoenix Sky Harbor Intl

Fri 8/14

6:53 pm-12:51 pm

1 stop14h 58m

$331

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Fri 12/4

5:25 pm-11:16 pm

1 stop7h 51m

Phoenix Sky Harbor Intl

Mon 12/14

7:01 am-7:01 pm

1 stop10h 00m

$333

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Wed 8/5

7:29 am-9:22 am

Nonstop4h 53m

Phoenix Sky Harbor Intl

Wed 8/12

12:21 pm-9:51 pm

1 stop6h 30m

$340

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Phoenix from

How to get the cheapest flight ticket from Washington, D.C. 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. 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. during the month July is also very affordable. Most momondo users find prices during this month for around $131.

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. 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. 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 $496. 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. to Phoenix flight route?

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

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

You are more likely to see cheaper flights to Phoenix from Washington, D.C. 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. for as low as $377 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. 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. to Phoenix flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Phoenix

Fastest flight time

4h 44m

Direct flights

Every day

Airports in Phoenix

3 airports
The fastest flight from Washington, D.C. to Phoenix takes 4h 44m
Direct flights go from Washington, D.C. to Phoenix every day.
There are 3 airports in Phoenix. From Washington, D.C. there are direct flights to Phoenix Sky Harbor Intl (PHX).

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

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

    There are 1976.3 mi between Washington, D.C. and Phoenix. 4h 44m is a normal flight duration for this route.

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

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

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

  • How old do you have to be to fly from Washington, D.C. 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. to Phoenix.

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

    The travel and health documents required for your trip to Phoenix 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Washington, D.C. to Phoenix

Compare and see reviews for airlines that fly from Washington, D.C. to Phoenix with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $131Free CancellationRating
5.6
2,858 reviews
Search Frontier flights
DeltaPriceFrom $160Free CancellationRating
7.8
8,455 reviews
Search Delta flights
JetBluePriceFrom $216Free CancellationRating
7.1
3,014 reviews
Search JetBlue flights
United AirlinesPriceFrom $227Free CancellationRating
7.4
9,901 reviews
Search United Airlines flights
American AirlinesPriceFrom $228Free CancellationRating
7.1
11,779 reviews
Search American Airlines flights
SouthwestPriceFrom $229Free CancellationRating
7.9
4,246 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $252Free CancellationRating
7.9
12,583 reviews
Search Alaska 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 in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Phoenix from Washington, D.C..

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 7/28
Tue 8/4

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