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Cheap flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport from £143

IAD — PHX
27 Oct — 3 Nov1
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

Fri 4/1207:00 -
1 stop12h 35m
Sat 5/1208:05 -
1 stop7h 34m
Deal found 23/9£278
Wed 28/1009:38 -
1 stop11h 22m
Sat 31/1007:38 -
1 stop7h 12m
Deal found 25/9£279
Wed 16/1218:42 -
1 stop17h 08m
Sat 16/112:05 -
1 stop27h 45m
Deal found 23/9£285
Sat 24/1018:00 -
Nonstop4h 54m
Wed 28/1007:50 -
Nonstop4h 13m
Deal found 26/9£286
Wed 28/1019:24 -
1 stop17h 02m
Tue 3/1116:58 -
1 stop10h 46m
Deal found 24/9£288
Wed 4/1107:46 -
1 stop10h 09m
Wed 4/1116:58 -
1 stop10h 46m
Deal found 23/9£288
Fri 13/1118:46 -
1 stop17h 51m
Tue 17/1111:19 -
2 stops16h 25m
Deal found 23/9£291
Tue 10/1118:46 -
1 stop17h 51m
Sat 14/1116:58 -
1 stop10h 46m
Deal found 23/9£292
Sat 7/1118:46 -
1 stop17h 51m
Sat 14/1113:44 -
1 stop14h 00m
Deal found 25/9£293
Tue 20/1006:15 -
1 stop7h 30m
Sat 24/1014:05 -
Nonstop4h 22m
Deal found 23/9£294
Thu 12/1117:46 -
Nonstop5h 18m
Sun 15/1123:59 -
Nonstop4h 09m
Deal found 24/9£298

Find flight deals from Dulles Intl to Sky Harbor Intl

Round-trip from

£278

One-way from

£143

Popular in

March

Cheapest in

February

Average price

£380
Alaska Airlines
  • Alaska Airlines
  • 4/12-5/12
  • 2 total stops
  • 20h 09m total
  • Washington, D.C. to Phoenix
Search Deals
United Airlines
  • United Airlines
  • 2/11-31/12
  • Nonstop
  • 5h 18m total
  • Washington, D.C. to Phoenix
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£4 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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.

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Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

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

Wed 31/12

00:00-02:00

Nonstop0h 00m

£159

Washington, D.C.Phoenix

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

IADPHX

Washington, D.C. Dulles Intl

Fri 6/11

17:46-21:04

Nonstop5h 18m

Phoenix Sky Harbor Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£169

Washington, D.C.Phoenix

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

IADPHX

Washington, D.C. Dulles Intl

Sat 5/12

12:55-16:08

Nonstop5h 13m

Phoenix Sky Harbor Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£189

Washington, D.C.Phoenix

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

IADPHX

Washington, D.C. Dulles Intl

Sun 25/10

08:20-10:33

Nonstop5h 13m

Phoenix Sky Harbor Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£191

Washington, D.C.Phoenix

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

IADPHX

Washington, D.C. Dulles Intl

Fri 9/10

19:24-09:26

1 stop17h 02m

Phoenix Sky Harbor Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£196

Washington, D.C.Phoenix

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

IADPHX

Washington, D.C. Dulles Intl

Wed 16/12

13:00-21:27

2 stops10h 27m

Phoenix Sky Harbor Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£200

Washington, D.C.Phoenix

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

IADPHX

Washington, D.C. Dulles Intl

Fri 8/1

16:00-00:06

1 stop10h 06m

Phoenix Sky Harbor Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£203

Washington, D.C.Phoenix

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

IADPHX

Washington, D.C. Dulles Intl

Sat 2/1

14:25-19:58

1 stop7h 33m

Phoenix Sky Harbor Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£203

Washington, D.C.Phoenix

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

IADPHX

Washington, D.C. Dulles Intl

Mon 16/11

12:55-16:08

Nonstop5h 13m

Phoenix Sky Harbor Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£217

Washington, D.C.Phoenix

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

IADPHX

Washington, D.C. Dulles Intl

Mon 28/12

12:55-16:09

Nonstop5h 14m

Phoenix Sky Harbor Intl

Wed 31/12

00:00-02:00

Nonstop0h 00m

£217

Flights are sorted by cheapest return flights first.

Deals found on 26/9

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

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 64 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, February 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 £328). Flying from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of £439). 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?

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?

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flights typically cost between £302 and £466 in December.
The cheapest return price found within the last 5 days was £278 on Alaska Airlines (4 Dec–5 Dec).

Related info for your journey

  • 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 5h 13m. 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 Austrian Airlines (72%), Avianca (72%) and Brussels Airlines (72%).

  • 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, February 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 £328). Flying from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of £439). 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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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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