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Washington, D.C.

$100+ 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — WAS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Washington, D.C. are usually found in August or July, booked 71 days in advance, depart on a Friday or Thursday and return on a Tuesday

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 June 12, 2025.

Round-trip from

$254
(Frontier)

One-way from

$100
(Cheapflightsfares)

Popular in

March

Cheapest in

August

Average price

$396
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 June 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 June 12, 2025.

This Frontier deal was found by Cheapflights users on 6/10. 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.
Fri 8/17:17 pmPHX - IAD
1 stop8h 17mFrontier
Wed 8/67:30 amIAD - PHX
1 stop13h 57mFrontier
Deal found 6/10$254
This JetBlue deal was found by Cheapflights users on 6/10. 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.
Mon 11/310:10 pmPHX - DCA
1 stop9h 31mJetBlue
Fri 11/1410:40 amDCA - PHX
1 stop12h 19mJetBlue
Deal found 6/10$255
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 8/1412:25 pmPHX - DCA
Nonstop4h 35mAmerican Airlines
Wed 8/207:29 amDCA - PHX
Nonstop4h 39mAmerican Airlines
Deal found 6/11$258
This Southwest deal was found by Cheapflights users on 6/10. 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.
Tue 7/111:20 pmPHX - DCA
1 stop6h 25mSouthwest
Sat 7/56:05 amDCA - PHX
1 stop7h 00mSouthwest
Deal found 6/10$259
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/306:45 pmPHX - IAD
1 stop7h 39mUnited Airlines
Fri 7/46:35 amIAD - PHX
1 stop7h 34mUnited Airlines
Deal found 6/10$259
This Frontier deal was found by Cheapflights users on 6/10. 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 6/217:18 amPHX - DCA
1 stop11h 41mFrontier
Tue 6/241:00 pmDCA - PHX
1 stop12h 38mFrontier
Deal found 6/10$260
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Thu 7/317:39 amPHX - IAD
1 stop27h 44mMultiple Airlines
Sun 8/31:28 pmIAD - PHX
1 stop12h 16mMultiple Airlines
Deal found 6/10$263
This Sun Country Air deal was found by Cheapflights users on 6/11. 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.
Tue 7/2911:08 amPHX - IAD
1 stop21h 35mSun Country Air
Sun 8/31:28 pmIAD - PHX
1 stop12h 16mSun Country Air
Deal found 6/11$275
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 8/911:59 pmPHX - DCA
1 stop6h 10mDelta
Tue 8/125:30 pmDCA - PHX
1 stop7h 33mDelta
Deal found 6/11$277
This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 8/166:05 amPHX - IAD
1 stop7h 25mDelta
Wed 8/206:00 amIAD - PHX
1 stop9h 27mDelta
Deal found 6/10$277
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 8/1412:09 pmPHX - DCA
1 stop7h 06mUnited Airlines
Wed 8/201:00 pmDCA - PHX
1 stop7h 39mUnited Airlines
Deal found 6/11$278
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1211:28 amPHX - DCA
1 stop7h 31mHawaiian Airlines
Tue 9/168:00 amDCA - PHX
1 stop9h 58mHawaiian Airlines
Deal found 6/10$280

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 12, 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

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Fri 8/1

7:17 pm-6:34 am

1 stop8h 17m

Washington, D.C. Dulles Intl

Wed 8/6

7:30 am-6:27 pm

1 stop13h 57m

$254

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Thu 8/14

12:25 pm-8:00 pm

Nonstop4h 35m

Washington, D.C. Reagan-National

Wed 8/20

7:29 am-9:08 am

Nonstop4h 39m

$258

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Tue 7/1

11:20 pm-8:45 am

1 stop6h 25m

Washington, D.C. Reagan-National

Sat 7/5

6:05 am-10:05 am

1 stop7h 00m

$259

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Mon 6/30

6:45 pm-5:24 am

1 stop7h 39m

Washington, D.C. Dulles Intl

Fri 7/4

6:35 am-11:09 am

1 stop7h 34m

$259

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Sat 6/21

7:18 am-9:59 pm

1 stop11h 41m

Washington, D.C. Reagan-National

Tue 6/24

1:00 pm-10:38 pm

1 stop12h 38m

$260

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Thu 7/31

7:39 am-2:23 pm

1 stop27h 44m

Washington, D.C. Dulles Intl

Sun 8/3

1:28 pm-10:44 pm

1 stop12h 16m

$263

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Tue 7/29

11:08 am-11:43 am

1 stop21h 35m

Washington, D.C. Dulles Intl

Sun 8/3

1:28 pm-10:44 pm

1 stop12h 16m

$275

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Sat 8/9

11:59 pm-9:09 am

1 stop6h 10m

Washington, D.C. Reagan-National

Tue 8/19

6:59 am-12:27 pm

1 stop8h 28m

$277

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Sat 8/16

6:05 am-4:30 pm

1 stop7h 25m

Washington, D.C. Dulles Intl

Wed 8/20

6:00 am-12:27 pm

1 stop9h 27m

$277

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Thu 8/14

12:09 pm-10:15 pm

1 stop7h 06m

Washington, D.C. Reagan-National

Wed 8/20

1:00 pm-5:39 pm

1 stop7h 39m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 53 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 June 9, 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 71 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 $241). Flying from Phoenix to Washington, D.C. in March is currently the most expensive (average of $290). 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 12, 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 32% on your trip compared to booking a flight in the morning.

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 Friday afternoons when fares are most often at their lowest. Thursday 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 June 12, 2025.

The most flights from PH1 to WAS are scheduled on a Thursday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Phoenix to Washington, D.C. by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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 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.

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

    Currently priced at $254, 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 American Airlines and Southwest - these airlines can fly you to your destination from $258 and $259, respectively. Users have found that Frontier is 30% 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 $100. Allegiant Air flights start at $118 while deals on American Airlines start at $119 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 - Baltimore/Washington or Phoenix Sky Harbor Intl - Washington, D.C. Reagan-National as they are the most popular.

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

    On average you can expect to pay $333 for a flight from Phoenix to Washington, D.C.. The cheapest flight overall is $129 while the most popular route, (Phoenix Sky Harbor Intl - Washington, D.C. Dulles Intl) is currently priced at $239.

  • 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 $241). Flying from Phoenix to Washington, D.C. in March is currently the most expensive (average of $290). 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 Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas
Dundalk

Browse thousands of different options on Cheapflights for your next trip

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

Discover the top 7 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$134Average$255FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$135Average$249FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$166Average$433FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$227Average$275FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$239Average$387FlexibilityNo cancel feeOn-time69%
DeltaCheapest$250Average$348FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$260Average$447FlexibilityNo cancel feeOn-time63%

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