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Cheap flights from Washington, D.C. to Phoenix Sky Harbor Intl Airport from £89

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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PHX
20 Jan — 27 Jan1
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 21 December 2025.

Wed 31/1216:17IAD - PHX
1 stop9h 36mDelta
Tue 13/112:05PHX - IAD
1 stop9h 05mDelta
Deal found 20/12£203
Wed 31/1216:17IAD - PHX
1 stop9h 36mDelta
Sat 10/106:15PHX - IAD
1 stop10h 54mDelta
Deal found 20/12£206
Wed 31/1217:42DCA - PHX
1 stop8h 11mDelta
Tue 13/106:15PHX - DCA
1 stop14h 33mDelta
Deal found 20/12£206
Thu 25/1206:20IAD - PHX
1 stop7h 27mUnited Airlines
Thu 1/119:40PHX - IAD
1 stop7h 39mUnited Airlines
Deal found 18/12£242
Mon 29/1214:00DCA - PHX
1 stop9h 13mJetBlue
Sun 11/122:19PHX - DCA
1 stop8h 17mJetBlue
Deal found 20/12£244
Wed 31/1217:42DCA - PHX
1 stop8h 11mDelta
Sun 11/106:15PHX - DCA
1 stop14h 33mDelta
Deal found 20/12£250
Wed 31/1216:17IAD - PHX
1 stop9h 36mDelta
Thu 1/107:00PHX - IAD
1 stop8h 38mDelta
Deal found 20/12£260
Wed 31/1212:32DCA - PHX
1 stop8h 38mDelta
Wed 31/1223:35PHX - DCA
1 stop7h 37mDelta
Deal found 19/12£260
Mon 29/1214:00DCA - PHX
1 stop9h 13mJetBlue
Fri 9/122:19PHX - DCA
1 stop9h 32mJetBlue
Deal found 20/12£270
Wed 31/1216:00DCA - PHX
1 stop8h 49mJetBlue
Sun 11/122:19PHX - DCA
1 stop9h 32mJetBlue
Deal found 20/12£271
Mon 29/1214:00DCA - PHX
1 stop9h 13mJetBlue
Wed 7/122:19PHX - DCA
1 stop10h 50mJetBlue
Deal found 20/12£274
Mon 29/1206:15DCA - PHX
1 stop9h 58mJetBlue
Thu 8/122:19PHX - DCA
1 stop8h 17mJetBlue
Deal found 20/12£281

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 21 December 2025.

Round-trip from

£182

One-way from

£89

Popular in

April

Cheapest in

August

Average price

£349
JetBlue
  • JetBlue
  • 18/1-20/1
  • 2 total stops
  • 18h 06m total
  • Washington, D.C. to Phoenix
Search Deals
United Airlines
  • United Airlines
  • 31/12
  • Nonstop
  • 5h 12m total
  • Washington, D.C. to Phoenix
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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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 21 December 2025.
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

Washington, D.C.

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

Washington, D.C.Phoenix

DCA - PHX

DCAPHX

Washington, D.C. Reagan-National

Sun 18/1

11:55-20:49

1 stop10h 54m

Phoenix Sky Harbor Intl

Wed 21/1

22:19-09:51

1 stop9h 32m

£182

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sun 1/3

07:30-23:50

1 stop18h 20m

Phoenix Sky Harbor Intl

Wed 11/3

06:15-23:48

1 stop14h 33m

£183

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Mon 2/3

07:30-23:50

1 stop18h 20m

Phoenix Sky Harbor Intl

Wed 11/3

06:15-23:48

1 stop14h 33m

£183

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 13/1

07:30-23:54

1 stop18h 24m

Phoenix Sky Harbor Intl

Thu 22/1

12:05-23:10

1 stop9h 05m

£183

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Fri 20/2

07:30-23:50

1 stop18h 20m

Phoenix Sky Harbor Intl

Tue 24/2

06:05-23:10

1 stop15h 05m

£183

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 17/1

07:30-21:17

1 stop15h 47m

Phoenix Sky Harbor Intl

Thu 22/1

06:20-23:10

1 stop14h 50m

£183

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 17/1

17:24-20:37

Nonstop5h 13m

Phoenix Sky Harbor Intl

Tue 20/1

11:30-22:18

1 stop8h 48m

£185

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 17/1

07:00-10:15

Nonstop5h 15m

Phoenix Sky Harbor Intl

Sat 24/1

14:30-22:10

1 stop5h 40m

£187

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 14/2

12:35-19:43

1 stop9h 08m

Phoenix Sky Harbor Intl

Sun 15/2

06:05-23:10

1 stop15h 05m

£188

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 13/1

16:30-19:50

Nonstop5h 20m

Phoenix Sky Harbor Intl

Sat 17/1

08:55-14:55

Nonstop4h 00m

£203

Flights are sorted by cheapest return flights first.

Deals found on 20/12

Showing 1-10 of 46 results
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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?

Use this chart to determine the optimal time to book a return flight from Washington, D.C. to Sky Harbor Intl. Price data was last updated on 12 December 2025.

Booking 58 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, December is the cheapest month in which you can book a flight from Washington, D.C. to Phoenix Sky Harbor Intl Airport (average of £67). Flying from Washington, D.C. to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of £187). 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 21 December 2025.

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 21 December 2025.

The most flights from WAS to PHX are scheduled on a Monday (18 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (10 on average).

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 10h 54m. 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: United Airlines (85%), Avianca (77%), Austrian Airlines (75%).

  • 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, December is the cheapest month in which you can book a flight from Washington, D.C. to Phoenix Sky Harbor Intl Airport (average of £67). Flying from Washington, D.C. to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of £187). 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
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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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