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Cheap flights from Washington, D.C. to Phoenix Sky Harbor Intl Airport from £124

WAS — PHX
23 Sep — 30 Sep1
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

Sat 24/1019:24 -
1 stop17h 02m
Tue 27/1019:25 -
1 stop19h 25m
Deal found 19/8£241
Wed 28/1007:02 -
1 stop12h 32m
Tue 3/1108:00 -
1 stop7h 40m
Deal found 19/8£244
Sun 1/1118:46 -
1 stop17h 55m
Fri 6/1120:22 -
1 stop19h 18m
Deal found 19/8£245
Sat 19/917:46 -
1 stop19h 42m
Sat 26/914:29 -
1 stop12h 11m
Deal found 19/8£247
Fri 11/919:47 -
1 stop18h 44m
Fri 18/916:13 -
1 stop10h 27m
Deal found 24/8£248
Tue 3/1112:55 -
Nonstop5h 13m
Sat 7/1115:08 -
Nonstop4h 15m
Deal found 19/8£248
Tue 1/1206:15 -
1 stop7h 55m
Wed 2/1211:32 -
1 stop9h 52m
Deal found 23/8£248
Sat 26/908:35 -
Nonstop4h 51m
Wed 30/912:15 -
1 stop7h 15m
Deal found 19/8£253
Mon 23/1116:30 -
1 stop8h 24m
Thu 3/1223:59 -
1 stop7h 58m
Deal found 23/8£254
Fri 11/918:00 -
Nonstop4h 54m
Sat 19/907:10 -
1 stop7h 27m
Deal found 19/8£256
Fri 2/1015:58 -
1 stop7h 06m
Mon 5/1023:46 -
Nonstop4h 14m
Deal found 21/8£256
Tue 10/1118:46 -
1 stop17h 55m
Sat 14/1108:00 -
1 stop7h 40m
Deal found 19/8£257

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

Round-trip from

£241

One-way from

£124

Popular in

March

Cheapest in

January

Average price

£334

Good one-way deal

£197 or less
Alaska Airlines
  • Alaska Airlines
  • 27/10-30/10
  • 2 total stops
  • 24h 14m total
  • Washington, D.C. to Phoenix
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Alaska Airlines
  • Alaska Airlines
  • 5/12
  • 1 total stop
  • 12h 35m total
  • Washington, D.C. to Phoenix
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£13 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Phoenix Sky Harbor Intl.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. to Phoenix Sky Harbor Intl Airport that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Phoenix

IAD Washington, D.C. Dulles Intl - PHX Phoenix Sky Harbor Intl

IADPHX

Washington, D.C. Dulles Intl

Thu 3/12

17:25-23:16

1 stop7h 51m

Phoenix Sky Harbor Intl

Fri 4/12

07:01-19:01

1 stop10h 00m

£241

Washington, D.C.Phoenix

IAD Washington, D.C. Dulles Intl - PHX Phoenix Sky Harbor Intl

IADPHX

Washington, D.C. Dulles Intl

Fri 11/9

19:47-11:31

1 stop18h 44m

Phoenix Sky Harbor Intl

Mon 14/9

19:49-18:14

1 stop19h 25m

£244
Fastest return journey

Washington, D.C.Phoenix

IAD Washington, D.C. Dulles Intl - PHX Phoenix Sky Harbor Intl

IADPHX

Washington, D.C. Dulles Intl

Tue 20/10

18:00-19:54

Nonstop4h 54m

Phoenix Sky Harbor Intl

Sat 24/10

14:05-21:27

Nonstop4h 22m

£248

Washington, D.C.Phoenix

DCA Washington, D.C. Reagan-National - PHX Phoenix Sky Harbor Intl

DCAPHX

Washington, D.C. Reagan-National

Tue 1/12

06:15-12:10

1 stop7h 55m

Phoenix Sky Harbor Intl

Thu 3/12

23:59-09:57

1 stop7h 58m

£248

Washington, D.C.Phoenix

IAD Washington, D.C. Dulles Intl - PHX Phoenix Sky Harbor Intl

IADPHX

Washington, D.C. Dulles Intl

Mon 23/11

12:55-16:08

Nonstop5h 13m

Phoenix Sky Harbor Intl

Mon 23/11

23:59-06:08

Nonstop4h 09m

£248

Washington, D.C.Phoenix

DCA Washington, D.C. Reagan-National - PHX Phoenix Sky Harbor Intl

DCAPHX

Washington, D.C. Reagan-National

Thu 4/2

11:59-20:49

1 stop10h 50m

Phoenix Sky Harbor Intl

Mon 8/2

13:25-23:41

1 stop8h 16m

£254

Washington, D.C.Phoenix

IAD Washington, D.C. Dulles Intl - PHX Phoenix Sky Harbor Intl

IADPHX

Washington, D.C. Dulles Intl

Tue 10/11

10:00-15:28

1 stop7h 28m

Phoenix Sky Harbor Intl

Sun 15/11

23:59-06:08

Nonstop4h 09m

£256

Washington, D.C.Phoenix

IAD Washington, D.C. Dulles Intl - PHX Phoenix Sky Harbor Intl

IADPHX

Washington, D.C. Dulles Intl

Thu 5/11

15:04-22:45

1 stop9h 41m

Phoenix Sky Harbor Intl

Mon 9/11

15:00-00:39

1 stop7h 39m

£263

Washington, D.C.Phoenix

DCA Washington, D.C. Reagan-National - PHX Phoenix Sky Harbor Intl

DCAPHX

Washington, D.C. Reagan-National

Fri 29/1

06:10-13:58

1 stop9h 48m

Phoenix Sky Harbor Intl

Mon 8/2

23:59-08:44

1 stop6h 45m

£263

Washington, D.C.Phoenix

DCA Washington, D.C. Reagan-National - PHX Phoenix Sky Harbor Intl

DCAPHX

Washington, D.C. Reagan-National

Thu 24/12

08:00-14:52

1 stop8h 52m

Phoenix Sky Harbor Intl

Mon 4/1

13:40-22:14

1 stop6h 34m

£263

Flights are sorted by cheapest return flights first.

Deals found on 23/8

Showing 1-10 of 42 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

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Phoenix Sky Harbor Intl Airport

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Phoenix Sky Harbor Intl Airport (average of £300). Flying from Washington, D.C. to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of £408). 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?

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

The most flights from WAS to PHX are scheduled on a Monday (9 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (7 on average).

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

Airfare is below average for this route at the moment.
Washington, D.C. to Phoenix Sky Harbor Intl Airport flights typically cost between £258 and £399 in October.
The cheapest return price found within the last 5 days was £241 on Alaska Airlines (24 Oct–26 Oct).

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

Booking 70 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.

Related info for your journey

  • 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 7h 28m. Washington, D.C. and Phoenix Sky Harbor Intl Airport are separated by a distance of 1950 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: Austrian Airlines (82%), Avianca (82%), Brussels Airlines (82%).

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Phoenix Sky Harbor Intl Airport (average of £300). Flying from Washington, D.C. to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of £408). 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

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

Dulles Intl to Sky Harbor Intl flights

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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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