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Cheap flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport from £127

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PHX
16 Jul — 23 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dulles Intl to Sky Harbor Intl

Enter your travel dates to find the best prices.

Cheapest flights from Dulles Intl to Sky Harbor Intl
Explore the most affordable flight options available from Dulles Intl to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 June 2026.

Tue 29/915:02
IAD
-
PHX
1 stop7h 26m
United Airlines
Thu 1/1014:05
PHX
-
IAD
Nonstop4h 22m
United Airlines
Deal found 11/6£238
Wed 5/815:03
IAD
-
PHX
1 stop8h 53m
Delta
Sun 9/823:56
PHX
-
IAD
1 stop6h 24m
Delta
Deal found 11/6£240
Sat 19/917:46
IAD
-
PHX
1 stop19h 42m
Alaska Airlines
Sat 26/907:08
PHX
-
IAD
1 stop8h 06m
Alaska Airlines
Deal found 11/6£241
Sat 3/1017:33
IAD
-
PHX
1 stop19h 58m
Alaska Airlines
Tue 6/1019:24
PHX
-
IAD
1 stop19h 29m
Alaska Airlines
Deal found 15/6£242
Fri 4/1217:30
IAD
-
PHX
1 stop8h 36m
Delta
Fri 11/1214:15
PHX
-
IAD
1 stop8h 05m
Delta
Deal found 11/6£243
Wed 12/818:00
IAD
-
PHX
Nonstop4h 54m
United Airlines
Mon 23/1100:59
PHX
-
IAD
Nonstop4h 07m
United Airlines
Deal found 11/6£245
Mon 28/919:47
IAD
-
PHX
1 stop18h 44m
Alaska Airlines
Wed 30/907:08
PHX
-
IAD
1 stop8h 06m
Alaska Airlines
Deal found 16/6£248
Fri 3/717:50
IAD
-
PHX
Nonstop4h 56m
United Airlines
Fri 10/712:20
PHX
-
IAD
1 stop7h 23m
United Airlines
Deal found 11/6£249
Thu 20/818:00
IAD
-
PHX
Nonstop4h 54m
United Airlines
Mon 24/815:19
PHX
-
IAD
1 stop6h 13m
United Airlines
Deal found 16/6£252
Tue 6/1009:35
IAD
-
PHX
1 stop10h 02m
Alaska Airlines
Wed 7/1014:38
PHX
-
IAD
1 stop12h 02m
Alaska Airlines
Deal found 16/6£254
Tue 1/1216:00
IAD
-
PHX
1 stop10h 06m
Delta
Fri 4/1212:30
PHX
-
IAD
1 stop8h 32m
Delta
Deal found 11/6£255
Fri 10/708:15
IAD
-
PHX
1 stop7h 11m
United Airlines
Tue 14/706:00
PHX
-
IAD
1 stop7h 32m
United Airlines
Deal found 13/6£256

Find flight deals from Dulles Intl to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 16 June 2026.

Round-trip from

£238

One-way from

£127

Popular in

March

Cheapest in

August

Average price

£353
United Airlines
  • United Airlines
  • 29/9-1/10
  • 1 total stop
  • 11h 48m total
  • Washington, D.C. to Phoenix
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 6/12
  • 1 total stop
  • 7h 51m total
  • Washington, D.C. to Phoenix
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£28 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dulles Intl 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 16 June 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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

Wed 21/10

08:20-12:56

1 stop7h 36m

Phoenix Sky Harbor Intl

Thu 29/10

08:30-15:45

Nonstop4h 15m

£252

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 11/8

06:03-14:57

1 stop11h 54m

Phoenix Sky Harbor Intl

Wed 12/8

07:11-18:45

1 stop8h 34m

£260

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Fri 17/7

17:46-22:39

1 stop7h 53m

Phoenix Sky Harbor Intl

Sat 25/7

05:45-16:33

1 stop7h 48m

£260

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Fri 17/7

17:46-21:34

1 stop6h 48m

Phoenix Sky Harbor Intl

Wed 29/7

23:50-09:26

1 stop6h 36m

£260

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 1/7

06:00-12:12

1 stop9h 12m

Phoenix Sky Harbor Intl

Sun 5/7

22:59-09:21

1 stop7h 22m

£286

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Thu 2/7

11:44-16:54

1 stop8h 10m

Phoenix Sky Harbor Intl

Mon 6/7

22:57-10:23

1 stop8h 26m

£301

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Thu 24/9

18:15-23:29

1 stop8h 14m

Phoenix Sky Harbor Intl

Sun 27/9

23:05-10:11

1 stop8h 06m

£304
Fastest return journey

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 12/8

18:00-19:54

Nonstop4h 54m

Phoenix Sky Harbor Intl

Sun 16/8

08:55-16:23

Nonstop4h 28m

£311

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 1/12

17:45-20:55

Nonstop5h 10m

Phoenix Sky Harbor Intl

Fri 4/12

19:30-05:08

1 stop7h 38m

£312

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 1/7

08:25-13:39

1 stop8h 14m

Phoenix Sky Harbor Intl

Sat 11/7

08:50-16:17

Nonstop4h 27m

£324

Flights are sorted by cheapest return flights first.

Deals found on 14/6

Showing 1-10 of 24 resultsSorted by cheapest first
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Best time to book a flight from Dulles Intl to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Dulles Intl 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. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport

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

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 48 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 Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport (average of £259). Flying from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of £435). 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 IAD to PHX?

Find hourly flight availability from Dulles Intl 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 16 June 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport as you normally would.

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

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

    Departing from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport will take you 7h 36m. The distance between Washington, D.C. Dulles Intl Airport and Phoenix Sky Harbor Intl Airport is about 1950 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport are United Airlines (92%), Austrian Airlines (90%) and Avianca (90%).

  • Can I find deals for flights from Dulles Intl to Sky Harbor Intl that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl 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 Dulles Intl to Sky Harbor Intl.

  • Can I find deals for business class flights from Dulles Intl to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport (average of £259). Flying from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of £435). 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

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How does Cheapflights help users find flights from Dulles Intl to Sky Harbor Intl?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Sky Harbor Intl from Dulles Intl today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Sky Harbor Intl?

Cheapflights helps you find that perfect flight to Sky Harbor Intl from Dulles Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Dulles Intl to Sky Harbor Intl with no change fees?

Certainly. Search results for flights to Sky Harbor Intl from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Dulles Intl to Sky Harbor Intl become cheaper?

Not ready to book yet? You can track prices for flights from Dulles Intl to Sky Harbor Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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