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$87+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PHX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Phoenix are usually found in August 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 September 15, 2025.

Round-trip from

$232
(CheapOair)

One-way from

$87
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$377
From Washington, D.C. (WAS) to Phoenix
Search Deals
One-way flight from Washington, D.C. (WAS) to Phoenix
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Highest demand for flights based on searches. 2% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 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 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 September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Thu 10/236:05 amBWI - PHX
1 stop12h 00mMultiple Airlines
Tue 10/281:16 pmPHX - BWI
2 stops18h 12mMultiple Airlines
Deal found 9/14$232
This CheapOair deal was found by Cheapflights users on 9/14. 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.
Wed 10/18:12 amBWI - PHX
2 stops31h 39mFrontier
Sun 10/57:25 amPHX - BWI
2 stops32h 45mFrontier
Deal found 9/14$234
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/266:27 pmBWI - PHX
1 stop8h 30mFrontier
Tue 9/302:10 pmPHX - BWI
2 stops25h 57mFrontier
Deal found 9/15$235
This CheapOair deal was found by Cheapflights users on 9/14. 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.
Fri 10/36:22 amBWI - PHX
1 stop8h 10mFrontier
Sun 10/125:29 pmPHX - BWI
2 stops44h 51mFrontier
Deal found 9/14$236
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/87:50 amBWI - PHX
1 stop17h 33mMultiple Airlines
Sun 10/1210:59 pmPHX - BWI
2 stops32h 29mMultiple Airlines
Deal found 9/14$237
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/168:21 pmBWI - PHX
1 stop16h 32mMultiple Airlines
Tue 10/211:16 pmPHX - BWI
1 stop12h 14mMultiple Airlines
Deal found 9/15$238
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/312:52 pmBWI - PHX
2 stops10h 24mMultiple Airlines
Mon 11/36:00 amPHX - BWI
1 stop7h 30mMultiple Airlines
Deal found 9/14$239
This CheapOair deal was found by Cheapflights users on 9/15. 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 10/46:40 amBWI - PHX
2 stops31h 46mFrontier
Thu 10/96:00 amPHX - BWI
2 stops34h 08mFrontier
Deal found 9/15$240
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Mon 9/226:50 pmBWI - PHX
1 stop7h 52mMultiple Airlines
Fri 9/267:25 amPHX - BWI
2 stops29h 00mMultiple Airlines
Deal found 9/13$241
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 12/171:10 pmBWI - PHX
1 stop7h 53mUnited Airlines
Mon 12/227:40 pmPHX - BWI
1 stop7h 44mUnited Airlines
Deal found 9/14$242
This CheapOair deal was found by Cheapflights users on 9/15. 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 10/612:53 pmBWI - PHX
1 stop29h 30mFrontier
Sat 10/114:41 pmPHX - BWI
2 stops38h 50mFrontier
Deal found 9/15$243
This CheapOair deal was found by Cheapflights users on 9/13. 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 9/258:14 pmBWI - PHX
2 stops46h 50mFrontier
Mon 9/294:16 pmPHX - BWI
2 stops47h 51mFrontier
Deal found 9/13$244

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 September 15, 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

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Tue 10/7

8:45 am-3:23 pm

2 stops33h 38m

Phoenix Sky Harbor Intl

Sun 10/12

5:29 pm-5:20 pm

2 stops44h 51m

$259

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Thu 2/5

8:01 am-3:59 pm

1 stop9h 58m

Phoenix Sky Harbor Intl

Mon 2/9

9:00 am-9:26 pm

1 stop10h 26m

$262

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Wed 2/18

6:30 am-3:42 pm

2 stops11h 12m

Phoenix Sky Harbor Intl

Mon 2/23

1:31 pm-10:24 pm

1 stop6h 53m

$264

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Sun 1/4

6:00 am-12:09 pm

1 stop8h 09m

Phoenix Sky Harbor Intl

Sun 1/11

7:15 am-4:06 pm

1 stop6h 51m

$273

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Wed 10/8

7:09 am-2:45 pm

1 stop10h 36m

Phoenix Sky Harbor Intl

Tue 10/14

12:16 pm-10:58 pm

1 stop7h 42m

$274

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 11/12

5:59 pm-12:08 am

1 stop8h 09m

Phoenix Sky Harbor Intl

Fri 11/14

2:18 pm-11:29 pm

1 stop7h 11m

$277

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Thu 12/4

5:59 pm-12:16 am

1 stop8h 17m

Phoenix Sky Harbor Intl

Tue 12/9

6:00 am-4:23 pm

1 stop8h 23m

$277

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 11/8

5:10 pm-10:28 pm

1 stop7h 18m

Phoenix Sky Harbor Intl

Mon 11/10

12:59 am-11:07 am

1 stop8h 08m

$277

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 10/29

6:05 am-9:53 am

1 stop6h 48m

Phoenix Sky Harbor Intl

Tue 11/4

6:00 am-4:29 pm

1 stop8h 29m

$277

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 10/21

5:52 pm-11:00 pm

1 stop8h 08m

Phoenix Sky Harbor Intl

Fri 10/24

10:59 pm-10:11 am

1 stop8h 12m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 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 September 12, 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 September 15, 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 September 15, 2025.

The most flights from WAS to PH1 are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 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 September 15, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Phoenix, 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
4,242 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

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
7,954 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

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
8,929 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

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
4,242 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

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
3,172 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

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 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.

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

    There are many flights that can get you from Washington, D.C. to Phoenix in 8h 09m. Fly via United Airlines, Frontier, or Delta to get the fastest option. Washington, D.C. and Phoenix are separated by a distance of 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 Washington, D.C. to Phoenix round-trip?

    According to our current data, Frontier ($131), United Airlines ($261), and Sun Country Air ($265) offers the cheapest pricing from Washington, D.C. to Phoenix. Frontier is priced at 67% 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 Frontier ($90), United Airlines ($92), and Alaska Airlines ($137).

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

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. to Phoenix consider choosing United Airlines (83%), Avianca (78%) or Austrian Airlines (66%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for $103. While the most popular route (Washington, D.C. Dulles Intl - Phoenix Sky Harbor Intl) can be booked for $181 on average, our data indicates $806 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$80Average$210FlexibilityNo cancel feeOn-time65%
FrontierCheapest$131Average$261FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$226Average$422FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$261Average$416FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$262Average$307FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$268Average$421FlexibilityNo cancel feeOn-time63%
DeltaCheapest$276Average$343FlexibilityNo cancel feeOn-timeN/A

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