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Washington, D.C.

$88+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — WAS
Oct 30 — Nov 61
Thu 10/30
Thu 11/6
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Washington, D.C. are usually found in August or February, booked 88 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap 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 September 30, 2025.

Round-trip from

$193
(Frontier)

One-way from

$88
(Cheapflightsfares)

Popular in

March

Cheapest in

August

Average price

$369
From Phoenix to Washington, D.C. (WAS)
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One-way flight from Phoenix to Washington, D.C. (WAS)
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 30, 2025.

This Frontier deal was found by Cheapflights users on 9/29. 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.
Thu 10/305:05 amPHX - BWI
2 stops16h 02mFrontier
Sat 11/13:05 pmBWI - PHX
1 stop11h 24mFrontier
Deal found 9/29$193
This CheapOair deal was found by Cheapflights users on 9/28. 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.
Sun 10/199:59 pmPHX - BWI
1 stop16h 45mFrontier
Mon 10/276:29 pmBWI - PHX
1 stop20h 46mFrontier
Deal found 9/28$195
This Frontier deal was found by Cheapflights users on 9/28. 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.
Sat 11/11:28 pmPHX - BWI
1 stop7h 34mFrontier
Mon 11/109:13 amBWI - PHX
2 stops16h 37mFrontier
Deal found 9/28$197
This CheapOair deal was found by Cheapflights users on 9/28. 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.
Sun 10/199:59 pmPHX - BWI
1 stop16h 45mFrontier
Tue 10/2111:19 amBWI - PHX
1 stop28h 58mFrontier
Deal found 9/28$198
This Frontier deal was found by Cheapflights users on 9/29. 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.
Thu 10/236:00 amPHX - IAD
1 stop6h 38mFrontier
Mon 10/275:00 pmIAD - PHX
2 stops9h 54mFrontier
Deal found 9/29$199
This CheapOair deal was found by Cheapflights users on 9/29. 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.
Thu 10/236:00 amPHX - IAD
1 stop6h 38mFrontier
Sat 10/259:38 pmIAD - PHX
1 stop18h 39mFrontier
Deal found 9/29$200
This Frontier deal was found by Cheapflights users on 9/29. 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.
Thu 10/239:21 amPHX - BWI
2 stops11h 57mFrontier
Mon 10/276:29 pmBWI - PHX
1 stop6h 47mFrontier
Deal found 9/29$201
This Frontier deal was found by Cheapflights users on 9/29. 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.
Thu 10/236:00 amPHX - IAD
1 stop6h 38mFrontier
Tue 11/48:40 amIAD - PHX
2 stops10h 21mFrontier
Deal found 9/29$201
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 12/102:22 pmPHX - BWI
1 stop26h 57mMultiple Airlines
Wed 12/178:26 pmBWI - PHX
1 stop18h 42mMultiple Airlines
Deal found 9/29$203
This CheapOair deal was found by Cheapflights users on 9/30. 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 11/37:30 amPHX - DCA
1 stop7h 29mFrontier
Thu 11/66:00 pmDCA - PHX
1 stop29h 44mFrontier
Deal found 9/30$204
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 10/211:16 pmPHX - BWI
1 stop12h 14mMultiple Airlines
Thu 10/236:37 pmBWI - PHX
1 stop23h 42mMultiple Airlines
Deal found 9/30$207
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Fri 12/1210:11 pmPHX - DCA
1 stop11h 54mFrontier
Sun 12/146:00 pmDCA - PHX
1 stop17h 04mFrontier
Deal found 9/30$207

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 September 30, 2025.
Use the filters below to find and compare flights from Phoenix to Washington, D.C. that are best for you.

Fly from

Phoenix

Fly to

Washington, D.C.

Route

Depart

Return

Price

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Fri 10/10

7:25 am-8:57 pm

1 stop10h 32m

Baltimore/Washington

Sat 10/18

4:12 pm-9:40 am

1 stop20h 28m

$258

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Fri 11/7

5:00 am-11:10 am

Nonstop4h 10m

Baltimore/Washington

Sun 11/9

6:35 am-9:50 am

Nonstop5h 15m

$277

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Fri 10/24

1:41 pm-9:02 pm

Nonstop4h 21m

Washington, D.C. Dulles Intl

Sun 10/26

8:20 am-10:33 am

Nonstop5h 13m

$277

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Sat 11/1

9:50 pm-5:05 am

Nonstop4h 15m

Baltimore/Washington

Mon 11/10

6:35 am-9:50 am

Nonstop5h 15m

$277

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Thu 10/23

1:45 pm-9:06 pm

Nonstop4h 21m

Washington, D.C. Dulles Intl

Tue 11/4

5:30 pm-8:43 pm

Nonstop5h 13m

$277

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Fri 10/24

12:08 pm-11:49 pm

1 stop8h 41m

Baltimore/Washington

Sun 10/26

8:30 pm-9:53 am

2 stops16h 23m

$279

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Tue 3/3

10:10 pm-8:01 am

1 stop7h 51m

Washington, D.C. Reagan-National

Wed 3/4

11:45 am-8:59 pm

1 stop11h 14m

$279

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Wed 1/7

10:19 pm-8:34 am

1 stop8h 15m

Washington, D.C. Reagan-National

Sun 1/11

11:55 am-9:03 pm

1 stop11h 08m

$285

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Tue 11/18

10:10 pm-7:56 am

1 stop7h 46m

Washington, D.C. Reagan-National

Thu 1/22

1:00 pm-9:03 pm

1 stop10h 03m

$285

PhoenixBaltimore

PHX - BWI

PHXBWI

Phoenix Sky Harbor Intl

Fri 10/24

7:15 pm-5:00 am

1 stop6h 45m

Baltimore/Washington

Sun 10/26

6:45 am-8:50 am

Nonstop5h 05m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/30

Showing 1-10 of 56 results
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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.

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

Use this chart to determine the optimal time to book a round-trip flight from Phoenix to Washington, D.C.. Price data was last updated on September 26, 2025.

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 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Phoenix to Washington, D.C. (average of $292). Flying from Phoenix to Washington, D.C. in April is currently the most expensive (average of $337). 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 September 30, 2025.

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 34% on your trip compared to booking a flight at noon.

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 October 13, 2024.

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

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 September 30, 2025.

The most flights from PH1 to WAS are scheduled on a Tuesday (11 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (4 on average).

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 September 30, 2025.
Read through reviews of airlines operating flights from Phoenix to Washington, D.C., such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,245 reviews
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,964 reviews
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,931 reviews
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,157 reviews
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 10m. Fly via Frontier, Southwest, or United Airlines to get the fastest option. The distance between Phoenix and Washington, D.C. is about 1992 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 $147, 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 Southwest and Delta - these airlines can fly you to your destination from $236 and $256, respectively. Users have found that Frontier is 60% 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $105. Sun Country Air flights start at $133 while deals on Southwest start at $139 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 - Baltimore/Washington, Phoenix Sky Harbor Intl - Washington, D.C. Dulles Intl or Phoenix Sky Harbor Intl - Washington, D.C. Reagan-National 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 (86%), Austrian Airlines (84%) and Brussels Airlines (84%).

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

    On average you can expect to pay $1,082 for a flight from Phoenix to Washington, D.C.. The cheapest flight overall is $82 while the most popular route, (Phoenix Sky Harbor Intl - Baltimore/Washington) is currently priced at $172.

  • 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, August is the cheapest month in which you can book a flight from Phoenix to Washington, D.C. (average of $292). Flying from Phoenix to Washington, D.C. in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Laurel
Manassas
Hanover
Oxon Hill
Towson
National Harbor
Dundalk
Waldorf

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 September 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$138Average$257FlexibilityNo cancel feeOn-time65%
FrontierCheapest$142Average$268FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$186Average$399FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$226Average$381FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$236Average$428FlexibilityNo cancel feeOn-time63%
DeltaCheapest$236Average$344FlexibilityNo cancel feeOn-timeN/A

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