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$74+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PHX
Jul 14 — Jul 211
Mon 7/14
Mon 7/21
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Phoenix are usually found in January or August, 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 9, 2025.

Round-trip from

$247
(Southwest)

One-way from

$74
(FlightHub)

Popular in

April

Cheapest in

January

Average price

$364
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 ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 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 9, 2025.

This Southwest deal was found by Cheapflights users on 7/6. 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.
Sat 8/1612:05 pmDCA - PHX
2 stops7h 30mSouthwest
Tue 8/198:45 amPHX - DCA
2 stops7h 10mSouthwest
Deal found 7/6$247
This Southwest deal was found by Cheapflights users on 7/8. 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.
Thu 8/216:30 amBWI - PHX
Nonstop4h 50mSouthwest
Wed 8/2710:50 amPHX - BWI
Nonstop4h 25mSouthwest
Deal found 7/8$248
This FlightHub deal was found by Cheapflights users on 7/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/242:50 pmBWI - PHX
1 stop10h 44mSpirit Airlines
Sun 7/278:16 pmPHX - BWI
2 stops14h 29mSpirit Airlines
Deal found 7/8$249
This Sun Country Air deal was found by Cheapflights users on 7/9. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2612:46 pmIAD - PHX
1 stop21h 31mSun Country Air
Sat 11/15:44 pmPHX - IAD
1 stop16h 04mSun Country Air
Deal found 7/9$251
This American Airlines deal was found by Cheapflights users on 7/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:27 amIAD - PHX
1 stop14h 25mAmerican Airlines
Sun 8/246:50 pmPHX - IAD
1 stop13h 11mAmerican Airlines
Deal found 7/8$252
This Priceline deal was found by Cheapflights users on 7/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/115:26 pmBWI - PHX
1 stop8h 58mFrontier
Sun 7/1311:59 pmPHX - BWI
1 stop8h 17mFrontier
Deal found 7/9$252
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/257:00 amIAD - PHX
2 stops15h 17mAlaska Airlines
Thu 9/44:30 pmPHX - IAD
1 stop21h 22mAlaska Airlines
Deal found 7/8$253
This United Airlines deal was found by Cheapflights users on 7/9. 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 8/42:54 pmDCA - PHX
1 stop7h 28mUnited Airlines
Thu 8/78:25 amPHX - DCA
1 stop7h 20mUnited Airlines
Deal found 7/9$254
This Delta deal was found by Cheapflights users on 7/8. 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 8/55:20 pmIAD - PHX
1 stop18h 32mDelta
Tue 8/122:53 pmPHX - IAD
1 stop15h 19mDelta
Deal found 7/8$255
This JetBlue deal was found by Cheapflights users on 7/8. 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.
Wed 10/2910:45 amDCA - PHX
1 stop12h 19mJetBlue
Sun 11/210:20 pmPHX - DCA
1 stop9h 40mJetBlue
Deal found 7/8$255
This United Airlines deal was found by Cheapflights users on 7/7. 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 8/138:20 amIAD - PHX
1 stop7h 07mUnited Airlines
Thu 8/146:45 pmPHX - IAD
1 stop7h 39mUnited Airlines
Deal found 7/7$256
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:30 amDCA - PHX
Nonstop4h 53mAmerican Airlines
Sun 9/1411:17 pmPHX - DCA
1 stop7h 07mAmerican Airlines
Deal found 7/9$256

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 9, 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

Sat 8/16

12:05 pm-4:35 pm

2 stops7h 30m

Phoenix Sky Harbor Intl

Tue 8/19

8:45 am-6:55 pm

2 stops7h 10m

$247

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Thu 8/21

6:30 am-8:20 am

Nonstop4h 50m

Phoenix Sky Harbor Intl

Wed 8/27

10:50 am-6:15 pm

Nonstop4h 25m

$248

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Thu 7/24

2:50 pm-10:34 pm

1 stop10h 44m

Phoenix Sky Harbor Intl

Sun 7/27

8:16 pm-1:45 pm

2 stops14h 29m

$249

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 8/12

6:27 am-5:52 pm

1 stop14h 25m

Phoenix Sky Harbor Intl

Sun 8/24

6:50 pm-11:01 am

1 stop13h 11m

$252

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Mon 8/25

7:00 am-7:17 pm

2 stops15h 17m

Phoenix Sky Harbor Intl

Thu 9/4

4:30 pm-4:52 pm

1 stop21h 22m

$253

BaltimorePhoenix

BWI - PHX

BWIPHX

Baltimore/Washington

Sat 7/19

5:26 pm-10:34 pm

1 stop8h 08m

Phoenix Sky Harbor Intl

Sat 7/26

7:18 am-4:31 pm

1 stop6h 13m

$254

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Mon 8/4

2:54 pm-7:22 pm

1 stop7h 28m

Phoenix Sky Harbor Intl

Thu 8/7

8:25 am-6:45 pm

1 stop7h 20m

$254

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 8/5

5:20 pm-8:52 am

1 stop18h 32m

Phoenix Sky Harbor Intl

Tue 8/12

2:53 pm-9:12 am

1 stop15h 19m

$255

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Wed 10/29

12:35 pm-8:04 pm

1 stop10h 29m

Phoenix Sky Harbor Intl

Sun 11/2

10:20 pm-10:00 am

1 stop9h 40m

$255

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 8/13

8:20 am-12:27 pm

1 stop7h 07m

Phoenix Sky Harbor Intl

Thu 8/14

6:45 pm-5:24 am

1 stop7h 39m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/7

Showing 1-10 of 48 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 June 27, 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 9, 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 9, 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 (6 on average).

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 9, 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

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,253 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,958 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,556 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,843 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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, Southwest ($247), Spirit Airlines ($249), and American Airlines ($252) offers the cheapest pricing from Washington, D.C. to Phoenix. Southwest is priced at 39% 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 ($74), American Airlines ($82), and Frontier ($112).

  • 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 Washington, D.C. Reagan-National - Phoenix Sky Harbor Intl or Baltimore/Washington - 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 Avianca (87%), Southwest (78%) or United Airlines (71%) 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 $138. While the most popular route (Washington, D.C. Dulles Intl - Phoenix Sky Harbor Intl) can be booked for $135 on average our data indicates $287 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 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$94Average$211FlexibilityNo cancel feeOn-time65%
FrontierCheapest$131Average$248FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$142Average$318FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$166Average$415FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$375FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$259Average$426FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$276Average$426FlexibilityNo cancel feeOn-time63%

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