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$64+ Cheap flights from Washington, D.C. (WAS) to Phoenix

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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PHX
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Phoenix are usually found in January or July, booked 30 days in advance, depart on a Tuesday or Wednesday and return on a Friday

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Phoenix (PH1). 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 July 29, 2025.

Round-trip from

$236
(Cheapflightsfares)

One-way from

$64
(Booking.com)

Popular in

April

Cheapest in

January

Average price

$368
From Washington, D.C. (WAS) to Phoenix
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One-way flight from Washington, D.C. (WAS) to Phoenix
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Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Washington, D.C. to Phoenix

Cheapest flights from Washington, D.C. to Phoenix
Explore the most affordable flight options available from Washington, D.C. to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/207:00 amDCA - PHX
1 stop7h 01mFrontier
Wed 8/2712:11 pmPHX - DCA
1 stop6h 48mFrontier
Deal found 7/29$236
This Frontier deal was found by Cheapflights users on 7/29. 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.
Tue 7/297:30 amIAD - PHX
1 stop13h 57mFrontier
Sat 8/97:17 pmPHX - IAD
1 stop8h 17mFrontier
Deal found 7/29$238
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/242:19 pmBWI - PHX
1 stop10h 45mSpirit Airlines
Mon 10/2710:59 pmPHX - BWI
2 stops14h 47mSpirit Airlines
Deal found 7/28$240
This CheapOair deal was found by Cheapflights users on 7/27. 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 11/66:45 amBWI - PHX
1 stop7h 24mMultiple Airlines
Sat 11/81:09 pmPHX - BWI
1 stop26h 55mMultiple Airlines
Deal found 7/27$243
This CheapOair deal was found by Cheapflights users on 7/27. 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.
Sat 8/1612:23 pmBWI - PHX
1 stop30h 53mFrontier
Wed 8/2012:11 pmPHX - BWI
1 stop26h 33mFrontier
Deal found 7/27$248
This JetBlue deal was found by Cheapflights users on 7/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/302:25 pmDCA - PHX
1 stop8h 39mJetBlue
Tue 11/410:20 pmPHX - DCA
1 stop9h 40mJetBlue
Deal found 7/28$255
This Cheapflightsfares deal was found by Cheapflights users on 7/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/511:45 amBWI - PHX
1 stop14h 02mSun Country Air
Wed 10/82:47 pmPHX - BWI
1 stop16h 51mSun Country Air
Deal found 7/27$260
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:20 amBWI - PHX
1 stop7h 28mUnited Airlines
Thu 1/112:45 amPHX - BWI
1 stop7h 36mUnited Airlines
Deal found 7/27$272
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:10 amIAD - PHX
1 stop8h 21mMultiple Airlines
Thu 9/186:02 pmPHX - IAD
1 stop15h 21mMultiple Airlines
Deal found 7/28$277
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/269:00 amBWI - PHX
1 stop8h 17mDelta
Sun 8/311:20 pmPHX - BWI
1 stop7h 36mDelta
Deal found 7/28$277
This Hawaiian Airlines deal was found by Cheapflights users on 7/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/105:52 pmIAD - PHX
1 stop7h 34mHawaiian Airlines
Sat 9/206:00 amPHX - IAD
1 stop7h 52mHawaiian Airlines
Deal found 7/28$282
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/274:55 pmIAD - PHX
Nonstop4h 45mSouthwest
Sat 8/308:55 amPHX - IAD
Nonstop4h 25mSouthwest
Deal found 7/29$287

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Phoenix that are best for you.

Fly from

Washington, D.C.

Fly to

Phoenix

Route

Depart

Return

Price

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Wed 8/20

7:00 am-11:01 am

1 stop7h 01m

Phoenix Sky Harbor Intl

Wed 8/27

12:11 pm-9:59 pm

1 stop6h 48m

$236

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 10/11

7:00 am-2:50 pm

1 stop10h 50m

Phoenix Sky Harbor Intl

Sat 10/18

6:00 am-4:13 pm

1 stop7h 13m

$238

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Fri 10/24

2:19 pm-10:04 pm

1 stop10h 45m

Phoenix Sky Harbor Intl

Mon 10/27

10:59 pm-4:46 pm

2 stops14h 47m

$240

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Sat 8/16

12:23 pm-4:16 pm

1 stop30h 53m

Phoenix Sky Harbor Intl

Wed 8/20

12:11 pm-5:44 pm

1 stop26h 33m

$248

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Sun 8/10

2:50 pm-10:34 pm

1 stop10h 44m

Phoenix Sky Harbor Intl

Thu 8/14

11:59 pm-11:16 am

1 stop8h 17m

$251

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Sun 10/5

11:45 am-10:47 pm

1 stop14h 02m

Phoenix Sky Harbor Intl

Wed 10/8

2:47 pm-10:38 am

1 stop16h 51m

$260

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Tue 8/26

9:00 am-2:17 pm

1 stop8h 17m

Phoenix Sky Harbor Intl

Thu 8/28

2:53 pm-12:23 am

1 stop6h 30m

$277

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Fri 8/15

6:10 am-11:31 am

1 stop8h 21m

Phoenix Sky Harbor Intl

Sat 8/23

6:20 pm-11:07 am

1 stop13h 47m

$277

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 9/10

5:52 pm-10:26 pm

1 stop7h 34m

Phoenix Sky Harbor Intl

Sat 9/20

6:00 am-4:52 pm

1 stop7h 52m

$282

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Tue 8/12

4:20 pm-8:16 pm

1 stop6h 56m

Phoenix Sky Harbor Intl

Fri 8/15

4:13 pm-5:10 am

2 stops9h 57m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 41 results
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The best insider tips for Washington, D.C. to Phoenix flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Phoenix trip
Airports
IAD

For quick check-ins at IAD, note that airline counters are like an island with desks on either side.

Read more about IADby Ramsey Qubein
PHX

For a quick commute from PHX, take a taxi to Downtown Phoenix. It's faster and not as expensive as elsewhere.

Read more about PHXby Brandon Schultz
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on PHX

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Washington, D.C. to Phoenix

Have a flexible travel schedule? Discover the best time to fly to Phoenix from Washington, D.C. 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 Washington, D.C. to Phoenix

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Phoenix. Price data was last updated on July 25, 2025.

The best time to book flights from Washington, D.C. to Phoenix is 30 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Phoenix (average of $258). Flying from Washington, D.C. to Phoenix in March 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 WAS to PHX?

Find hourly flight availability from Washington, D.C. to Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 36% on flights from Washington, D.C. to Phoenix by exploring options for tickets at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Phoenix. Price data was last updated on October 6, 2024.

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

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

Explore weekly flight availability from Washington, D.C. to Phoenix. 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 July 29, 2025.

The most flights from WAS to PH1 are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

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

Reviews of airlines servicing Phoenix

Get insights into the airlines that provide service to Phoenix. 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 Phoenix. Reviews last updated July 29, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Phoenix, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

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

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

    According to our current data, Frontier ($236), Spirit Airlines ($240), and Sun Country Air ($260) offers the cheapest pricing from Washington, D.C. to Phoenix. Frontier is priced at 42% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Washington, D.C. to Phoenix are Spirit Airlines ($64), Frontier ($119), and Sun Country Air ($130).

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

    The most popular route from Washington, D.C. to Phoenix is Washington, D.C. Dulles Intl - Phoenix Sky Harbor Intl. You may also consider Baltimore/Washington - Phoenix Sky Harbor Intl or Washington, D.C. Reagan-National - Phoenix Sky Harbor Intl.

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

    Looking at all options, your cheapest flight can be booked for $148. While the most popular route (Washington, D.C. Dulles Intl - Phoenix Sky Harbor Intl) can be booked for $254 on average our data indicates $317 when flying from Washington, D.C. to Phoenix.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington, D.C. to Phoenix 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 Washington, D.C. to Phoenix?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Phoenix (average of $258). Flying from Washington, D.C. to Phoenix in March 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

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Washington, D.C. to Phoenix

Discover the top 7 airlines that operate flights from Washington, D.C. to Phoenix. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$94Average$212FlexibilityNo cancel feeOn-time65%
FrontierCheapest$131Average$249FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$142Average$307FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$226Average$422FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$370FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$259Average$430FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$269Average$422FlexibilityNo cancel feeOn-time63%

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