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Cheap flights from Washington, D.C. to Phoenix Sky Harbor Intl Airport from £114

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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PHX
10 Jun — 17 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington, D.C. to Sky Harbor Intl

Enter your travel dates to find the best prices.

Cheapest flights from Washington, D.C. to Sky Harbor Intl
Explore the most affordable flight options available from Washington, D.C. to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 May 2026.

Sat 24/1019:24
IAD
-
PHX
1 stop17h 02m
Alaska Airlines
Tue 27/1011:32
PHX
-
IAD
1 stop9h 27m
Alaska Airlines
Deal found 8/5£228
Thu 27/819:29
IAD
-
PHX
1 stop19h 02m
Alaska Airlines
Mon 31/815:15
PHX
-
IAD
1 stop23h 59m
Alaska Airlines
Deal found 7/5£237
Wed 27/506:00
IAD
-
PHX
1 stop9h 45m
Alaska Airlines
Tue 1/919:49
PHX
-
IAD
1 stop19h 25m
Alaska Airlines
Deal found 8/5£238
Tue 2/606:00
IAD
-
PHX
1 stop11h 54m
Alaska Airlines
Tue 9/609:00
PHX
-
IAD
1 stop11h 59m
Alaska Airlines
Deal found 6/5£246
Fri 31/719:53
IAD
-
PHX
1 stop19h 30m
Alaska Airlines
Wed 26/815:15
PHX
-
IAD
1 stop23h 59m
Alaska Airlines
Deal found 8/5£248
Fri 18/919:29
IAD
-
PHX
1 stop19h 02m
Alaska Airlines
Mon 21/919:49
PHX
-
IAD
1 stop19h 25m
Alaska Airlines
Deal found 6/5£249
Tue 20/1009:35
IAD
-
PHX
1 stop10h 02m
Alaska Airlines
Tue 20/1019:24
PHX
-
IAD
1 stop19h 29m
Alaska Airlines
Deal found 7/5£253
Wed 8/719:49
IAD
-
PHX
1 stop19h 34m
Alaska Airlines
Wed 22/718:53
PHX
-
IAD
1 stop20h 52m
Alaska Airlines
Deal found 7/5£255
Fri 31/719:53
IAD
-
PHX
1 stop19h 30m
Alaska Airlines
Wed 2/907:00
PHX
-
IAD
1 stop8h 14m
Alaska Airlines
Deal found 7/5£255
Tue 16/616:55
DCA
-
PHX
1 stop6h 05m
Southwest
Tue 23/605:00
PHX
-
DCA
1 stop8h 10m
Southwest
Deal found 10/5£267
Sat 5/906:05
DCA
-
PHX
1 stop6h 20m
Southwest
Sat 12/906:15
PHX
-
DCA
1 stop8h 45m
Southwest
Deal found 6/5£270
Tue 23/616:45
DCA
-
PHX
1 stop10h 25m
Delta
Wed 29/705:45
PHX
-
DCA
1 stop6h 11m
Delta
Deal found 10/5£271

Find flight deals from Washington, D.C. to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Sky Harbor Intl (PHX). 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 11 May 2026.

Round-trip from

£228

One-way from

£114

Popular in

March

Cheapest in

August

Average price

£346

Good one-way deal

£198 or less
Alaska Airlines
  • Alaska Airlines
  • 24/10-27/10
  • 2 total stops
  • 41h 10m total
  • Washington, D.C. to Phoenix
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 27/10
  • 1 total stop
  • 12h 37m total
  • Washington, D.C. to Phoenix
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£32 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Phoenix Sky Harbor Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Washington, D.C. to Sky Harbor Intl 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 858,174 searches. Data last updated 11 May 2026.
Use the filters below to find and compare flights from Washington, D.C. to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Fri 23/10

19:24-09:26

1 stop17h 02m

Phoenix Sky Harbor Intl

Sat 31/10

07:36-17:53

1 stop7h 17m

£249

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Thu 24/9

08:56-10:46

Nonstop4h 50m

Phoenix Sky Harbor Intl

Mon 28/9

10:27-22:29

1 stop9h 02m

£263

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Wed 27/5

16:50-22:25

2 stops8h 35m

Phoenix Sky Harbor Intl

Mon 1/6

23:55-08:25

1 stop5h 30m

£276

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 26/9

17:26-22:09

1 stop7h 43m

Phoenix Sky Harbor Intl

Tue 29/9

13:55-21:16

Nonstop4h 21m

£278

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Thu 3/9

18:50-21:55

1 stop6h 05m

Phoenix Sky Harbor Intl

Mon 7/9

05:40-15:40

1 stop7h 00m

£284

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 9/6

06:05-09:56

1 stop6h 51m

Phoenix Sky Harbor Intl

Mon 15/6

13:57-23:25

1 stop6h 28m

£285

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Wed 10/6

09:39-13:55

1 stop7h 16m

Phoenix Sky Harbor Intl

Sat 13/6

22:57-08:37

1 stop6h 40m

£285

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Thu 13/8

17:26-22:09

1 stop7h 43m

Phoenix Sky Harbor Intl

Mon 17/8

08:55-16:23

Nonstop4h 28m

£293

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Tue 21/7

10:40-15:15

2 stops7h 35m

Phoenix Sky Harbor Intl

Wed 5/8

13:20-23:15

1 stop6h 55m

£305

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Tue 30/6

09:30-14:35

2 stops8h 05m

Phoenix Sky Harbor Intl

Tue 28/7

05:05-15:55

2 stops7h 50m

£311

Flights are sorted by cheapest return flights first.

Deals found on 6/5

Showing 1-10 of 47 resultsSorted by cheapest first
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Best time to book a flight from Washington, D.C. to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Washington, D.C. with our price prediction graph.
Estimated return 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 Sky Harbor Intl Airport

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

Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Phoenix Sky Harbor Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Phoenix Sky Harbor Intl Airport (average of £79). Flying from Washington, D.C. to Phoenix Sky Harbor Intl Airport in September is currently the most expensive (average of £666). 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 Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 May 2026.

When flying from Washington, D.C. to Phoenix Sky Harbor Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Washington, D.C. to Phoenix Sky Harbor Intl Airport

Explore weekly flight availability from Washington, D.C. to Sky Harbor Intl. 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 11 May 2026.

The most flights from WAS to PHX are scheduled on a Monday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost for a return flight from Washington, D.C. to Phoenix Sky Harbor Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Sky Harbor Intl. 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 Sky Harbor Intl Airport?

    Departing from Washington, D.C. to Phoenix Sky Harbor Intl Airport will take you 6h 05m. Washington, D.C. and Phoenix Sky Harbor Intl Airport are separated by a distance of 1972 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most reliable airlines from Washington, D.C. to Phoenix Sky Harbor Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to Phoenix Sky Harbor Intl Airport on time: Lufthansa (92%), United Airlines (86%), Austrian Airlines (85%).

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

    Yes. In addition to deals on Washington, D.C. to Sky Harbor Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Sky Harbor Intl?

    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 Sky Harbor Intl.

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

    Yes. Cheapflights offers flight deals from Washington, D.C. to Sky Harbor Intl 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 Sky Harbor Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Phoenix Sky Harbor Intl Airport (average of £79). Flying from Washington, D.C. to Phoenix Sky Harbor Intl Airport in September is currently the most expensive (average of £666). 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

Travelling to a place near Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Glendale
Chandler

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Sky Harbor Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Sky Harbor Intl flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Washington, D.C. to Sky Harbor Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Washington, D.C. to Sky Harbor Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Sky Harbor Intl?

Cheapflights simply makes it quick and affordable to book flights from Washington, D.C. to Sky Harbor Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Washington, D.C. to Sky Harbor Intl with no change fees?

Need flexible booking options for your flight to Sky Harbor Intl from Washington, D.C.? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Sky Harbor Intl become cheaper?

Yes, Cheapflights offers price alerts on Washington, D.C. to Sky Harbor Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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