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Cheap flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport from £113

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 28/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PHX
30 May — 6 Jun1
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 30 April 2026.

Tue 26/519:37
IAD
-
PHX
1 stop18h 45m
Alaska Airlines
Wed 3/618:16
PHX
-
IAD
1 stop10h 18m
Alaska Airlines
Deal found 28/4£226
Wed 27/506:00
IAD
-
PHX
1 stop9h 45m
Alaska Airlines
Sat 30/507:20
PHX
-
IAD
1 stop7h 22m
Alaska Airlines
Deal found 29/4£243
Tue 26/519:37
IAD
-
PHX
1 stop18h 45m
Alaska Airlines
Tue 2/614:22
PHX
-
IAD
1 stop14h 12m
Alaska Airlines
Deal found 25/4£244
Fri 31/719:53
IAD
-
PHX
1 stop19h 30m
Alaska Airlines
Wed 2/907:00
PHX
-
IAD
1 stop8h 14m
Alaska Airlines
Deal found 28/4£246
Wed 27/517:30
IAD
-
PHX
Nonstop5h 10m
Southwest
Wed 3/608:35
PHX
-
IAD
Nonstop4h 15m
Southwest
Deal found 29/4£250
Tue 14/719:53
IAD
-
PHX
1 stop19h 30m
Alaska Airlines
Tue 21/715:13
PHX
-
IAD
1 stop24h 32m
Alaska Airlines
Deal found 28/4£253
Sun 24/519:37
IAD
-
PHX
1 stop18h 45m
Alaska Airlines
Sat 30/507:20
PHX
-
IAD
1 stop7h 22m
Alaska Airlines
Deal found 27/4£253
Sat 23/519:37
IAD
-
PHX
1 stop18h 45m
Alaska Airlines
Sat 30/507:20
PHX
-
IAD
1 stop7h 22m
Alaska Airlines
Deal found 28/4£254
Thu 28/516:30
IAD
-
PHX
Nonstop5h 05m
Southwest
Tue 2/608:35
PHX
-
IAD
Nonstop4h 15m
Southwest
Deal found 29/4£256
Tue 26/517:50
IAD
-
PHX
Nonstop4h 56m
United Airlines
Wed 27/514:45
PHX
-
IAD
1 stop7h 14m
United Airlines
Deal found 25/4£257
Tue 13/1007:00
IAD
-
PHX
1 stop10h 47m
Alaska Airlines
Wed 21/1007:01
PHX
-
IAD
1 stop9h 00m
Alaska Airlines
Deal found 26/4£260

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 30 April 2026.

Round-trip from

£226

One-way from

£113

Popular in

March

Cheapest in

August

Average price

£364
Alaska Airlines
  • Alaska Airlines
  • 26/5-3/6
  • 2 total stops
  • 29h 03m total
  • Washington, D.C. to Phoenix
Search Deals
Frontier
  • Frontier
  • 28/6
  • 2 total stops
  • 28h 33m total
  • Washington, D.C. to Phoenix
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£40 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 30 April 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

Mon 25/5

05:55-09:40

1 stop6h 45m

Phoenix Sky Harbor Intl

Tue 2/6

08:35-15:50

Nonstop4h 15m

£273

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 9/6

19:37-14:31

1 stop21h 54m

Phoenix Sky Harbor Intl

Mon 15/6

18:53-18:45

1 stop20h 52m

£300

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 12/5

07:10-15:00

1 stop10h 50m

Phoenix Sky Harbor Intl

Tue 19/5

07:20-17:42

1 stop7h 22m

£302

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Mon 25/5

19:37-11:22

1 stop18h 45m

Phoenix Sky Harbor Intl

Tue 2/6

16:23-07:34

2 stops12h 11m

£302

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Thu 3/9

17:50-19:42

Nonstop4h 52m

Phoenix Sky Harbor Intl

Tue 8/9

08:30-18:57

1 stop7h 27m

£305

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 18/8

17:50-19:42

Nonstop4h 52m

Phoenix Sky Harbor Intl

Thu 20/8

12:20-22:36

1 stop7h 16m

£305

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 16/5

15:55-18:05

Nonstop5h 10m

Phoenix Sky Harbor Intl

Tue 19/5

13:40-23:40

1 stop7h 00m

£318

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 30/5

06:00-12:45

1 stop9h 45m

Phoenix Sky Harbor Intl

Thu 4/6

12:04-07:34

2 stops16h 30m

£319

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 30/5

17:50-19:46

Nonstop4h 56m

Phoenix Sky Harbor Intl

Thu 4/6

18:59-05:27

1 stop7h 28m

£343
Fastest return journey

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 11/7

17:50-19:46

Nonstop4h 56m

Phoenix Sky Harbor Intl

Fri 31/7

08:50-16:17

Nonstop4h 27m

£346

Flights are sorted by cheapest return flights first.

Deals found on 25/4

Showing 1-10 of 21 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 61 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 £243). Flying from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of £433). 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 30 April 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 4h 52m. 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 (93%), Lufthansa (82%) and Southwest (81%).

  • 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 £243). Flying from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of £433). 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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