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Washington, D.C.

$118+ Cheap flights from Phoenix to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — WAS
Jul 21 — Jul 281
Tue 7/21
Tue 7/28
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Washington, D.C. are usually found in August or December, booked 88 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Phoenix to Washington, D.C.

Cheapest flights from Phoenix to Washington, D.C.
Explore the most affordable flight options available from Phoenix to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 21, 2026.

This Expedia deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:20 am
PHX
-
BWI
1 stop11h 06m
Frontier
Tue 7/144:44 pm
BWI
-
PHX
1 stop22h 50m
Frontier
Deal found 6/20$265
This Super.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:04 am
PHX
-
BWI
1 stop8h 32m
Frontier
Sun 7/129:28 pm
BWI
-
PHX
1 stop16h 02m
Frontier
Deal found 6/18$266
This Expedia deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/612:20 am
PHX
-
BWI
1 stop11h 06m
Frontier
Sat 7/189:49 am
BWI
-
PHX
1 stop14h 04m
Frontier
Deal found 6/19$270
This CheapOair deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/612:20 am
PHX
-
BWI
1 stop11h 06m
Frontier
Sat 7/119:49 am
BWI
-
PHX
1 stop14h 04m
Frontier
Deal found 6/20$275
This Frontier deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:04 am
PHX
-
BWI
1 stop8h 32m
Frontier
Thu 8/62:25 pm
BWI
-
PHX
1 stop11h 34m
Frontier
Deal found 6/19$276
This Expedia deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/159:04 am
PHX
-
BWI
1 stop8h 32m
Frontier
Tue 7/219:49 am
BWI
-
PHX
1 stop14h 04m
Frontier
Deal found 6/18$281
This Frontier deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/289:04 am
PHX
-
BWI
1 stop8h 32m
Frontier
Sun 8/22:25 pm
BWI
-
PHX
1 stop11h 34m
Frontier
Deal found 6/19$284
This CheapOair deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:11 pm
PHX
-
BWI
1 stop25h 14m
Frontier
Sat 9/195:22 pm
BWI
-
PHX
1 stop8h 22m
Frontier
Deal found 6/20$286
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:39 pm
PHX
-
BWI
2 stops22h 54m
Frontier
Tue 8/115:21 pm
BWI
-
PHX
1 stop20h 09m
Frontier
Deal found 6/19$287
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/89:58 pm
PHX
-
IAD
1 stop7h 22m
Frontier
Mon 7/139:50 am
IAD
-
PHX
1 stop30h 09m
Frontier
Deal found 6/18$288
This Frontier deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:00 am
PHX
-
BWI
1 stop8h 30m
Frontier
Wed 8/266:45 am
BWI
-
PHX
1 stop7h 29m
Frontier
Deal found 6/19$289
This Expedia deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:40 am
PHX
-
DCA
1 stop10h 19m
Frontier
Thu 7/161:59 pm
DCA
-
PHX
1 stop20h 41m
Frontier
Deal found 6/18$289

Find flight deals from Phoenix to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 21, 2026.

Round-trip from

$265
(Expedia)

One-way from

$118
(Super.com)

Popular in

March

Cheapest in

August

Average price

$446
From Phoenix to Washington, D.C. (WAS)
Search Deals
One-way flight from Phoenix to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix to Washington, D.C. 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, Cheapflights users made 2,558,603 searches. Data last updated June 21, 2026.
Use the filters below to find and compare flights from Phoenix to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Tue 8/4

1:05 pm-6:45 pm

1 stop26h 40m

Washington, D.C. Dulles Intl

Wed 8/12

7:53 pm-12:23 pm

1 stop19h 30m

$309

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Thu 10/1

2:05 pm-9:27 pm

Nonstop4h 22m

Washington, D.C. Dulles Intl

Mon 10/5

6:00 pm-7:54 pm

Nonstop4h 54m

$329

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Thu 8/20

6:55 pm-5:25 am

1 stop7h 30m

Washington, D.C. Dulles Intl

Mon 8/24

6:00 pm-7:54 pm

Nonstop4h 54m

$339

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Fri 11/20

3:05 pm-11:29 pm

1 stop6h 24m

Washington, D.C. Reagan-National

Mon 11/23

5:00 pm-11:59 pm

1 stop8h 59m

$349

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Mon 9/28

6:05 am-4:48 pm

1 stop7h 43m

Washington, D.C. Reagan-National

Sat 10/3

5:40 pm-10:04 pm

1 stop7h 24m

$349

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Fri 9/25

11:05 pm-8:36 am

1 stop6h 31m

Washington, D.C. Reagan-National

Mon 9/28

6:05 am-10:25 am

1 stop7h 20m

$349

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Wed 11/25

12:55 am-10:37 am

1 stop7h 42m

Washington, D.C. Reagan-National

Tue 12/1

12:05 pm-6:36 pm

1 stop8h 31m

$349

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Mon 9/28

10:40 pm-10:06 am

1 stop8h 26m

Washington, D.C. Reagan-National

Wed 10/7

5:00 pm-10:59 pm

1 stop8h 59m

$349

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Wed 9/9

8:00 am-6:00 pm

1 stop7h 00m

Washington, D.C. Reagan-National

Wed 9/16

2:10 pm-6:55 pm

2 stops7h 45m

$354

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 9/23

3:15 pm-6:14 pm

1 stop23h 59m

Washington, D.C. Dulles Intl

Sun 9/27

7:00 am-3:10 pm

1 stop11h 10m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 58 resultsSorted by cheapest first
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Best time to book a flight from Phoenix to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Phoenix with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phoenix to Washington, D.C.

What is the cheapest month to book a flight from Phoenix to Washington, D.C.?

Currently, September is the cheapest month in which you can book a flight from Phoenix to Washington, D.C. (average of $112). Flying from Phoenix to Washington, D.C. in March is currently the most expensive (average of $227). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHX to WAS?

Find hourly flight availability from Phoenix to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 21, 2026.

A simple way to save on the total cost of your ticket is to fly from Phoenix to Washington, D.C. in the evening. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the afternoon.

Weekly flight availability from Phoenix to Washington, D.C.

Explore weekly flight availability from Phoenix to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 21, 2026.

The most flights from PH1 to WAS are scheduled on a Friday (13 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Phoenix to Washington, D.C.?

How often are flights from Phoenix to Washington, D.C. delayed?

About 11% of weekly flights between Phoenix and Washington, D.C. have experienced delays in the past year, with the average delay time being 137 minutes.

What is the most punctual flight time for Phoenix to Washington, D.C. flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Phoenix to Washington, D.C. flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 7% of flights being delayed.

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

The price you pay for your flight from Phoenix to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 66 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from Phoenix to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Phoenix to Washington, D.C.. Price data was last updated on June 13, 2026.

Travelers seeking maximum savings on their Phoenix to Washington, D.C. flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated June 21, 2026.
Read through reviews of airlines operating flights from Phoenix to Washington, D.C., such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,242 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

7.9

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers
Southwest
7.9
Good
4,242 reviews
Southwest
7.9
Good
4,242 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

7.9

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers
Delta
7.8
Good
8,423 reviews
Southwest
7.9
Good
4,242 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

7.9

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers
United Airlines
7.4
Good
9,868 reviews
Southwest
7.9
Good
4,242 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

7.9

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers
American Airlines
7.1
Good
11,723 reviews
Southwest
7.9
Good
4,242 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

7.9

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers
Frontier
5.6
Fair
2,876 reviews
Southwest
7.9
Good
4,242 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Food

7.0

Overall

7.9

Reviews

1 / 20
6.0
Good

Reza,Jun 2026

TPA - MDW

The seats were super cramped and couldn’t move without hitting other passengers

Related info for your journey

Find useful and relevant information for your journey from Phoenix to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Phoenix to Washington, D.C.?

    There are many flights that can get you from Phoenix to Washington, D.C. in 4h 22m. Fly via Alaska Airlines, United Airlines, or Delta to get the fastest option. The distance between Phoenix and Washington, D.C. is about 1950 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Phoenix to Washington, D.C. round-trip?

    Currently priced at $150, Frontier will fly you from Phoenix to Washington, D.C. and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and JetBlue - these airlines can fly you to your destination from $187 and $242, respectively. Users have found that Frontier is 61% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Phoenix to Washington, D.C. one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $90. Delta flights start at $128 while deals on JetBlue start at $138 one-way.

  • What are the most popular routes from Phoenix to Washington, D.C.?

    When deciding which route to take from Phoenix to Washington, D.C. consider Phoenix Sky Harbor Intl - Washington, D.C. Dulles Intl, Phoenix Sky Harbor Intl - Washington, D.C. Reagan-National or Phoenix Sky Harbor Intl - Baltimore/Washington as they are the most popular.

  • What are the most reliable airlines from Phoenix to Washington, D.C.?

    The top 3 most reliable airlines when flying from Phoenix to Washington, D.C. are United Airlines (91%), Austrian Airlines (90%) and Brussels Airlines (90%).

  • What are the cheapest flights from Phoenix to Washington, D.C.?

    On average you can expect to pay $753 for a flight from Phoenix to Washington, D.C.. The cheapest flight overall is $197 while the most popular route, (Phoenix Sky Harbor Intl - Washington, D.C. Dulles Intl) is currently priced at $302.

  • Can I find deals for flights from Phoenix to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Phoenix to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phoenix to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phoenix to Washington, D.C..

  • Can I find deals for business class flights from Phoenix to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Phoenix to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix to Washington, D.C.?

    Currently, September is the cheapest month in which you can book a flight from Phoenix to Washington, D.C. (average of $112). Flying from Phoenix to Washington, D.C. in March is currently the most expensive (average of $227). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Laurel
Hanover
Falls Church
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Phoenix to Washington, D.C.

Discover the top 6 airlines that operate flights from Phoenix to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$144Average$280FlexibilityNo cancel feeOn-time62%
DeltaCheapest$168Average$393FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$208Average$449FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$219Average$476FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$242Average$285FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$267Average$514FlexibilityNo cancel feeOn-time63%

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