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Cheap flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport from £98

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PHX
1 9月 — 8 9月1
1 adult

Cheap 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 27 8月 2025.

Round-trip from

£206

One-way from

£98

Popular in

December

Cheapest in

August

Average price

£255
Hawaiian Airlines
  • Hawaiian Airlines
  • 27/9-30/9
  • 2 total stops
  • 15h 26m total
  • Washington, D.C. to Phoenix
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Hawaiian Airlines
  • Hawaiian Airlines
  • 10/12
  • 1 total stop
  • 7h 43m total
  • Washington, D.C. to Phoenix
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£14 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Dulles Intl to Sky Harbor Intl

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 27 8月 2025.

週六 27/917:52IAD - PHX
1 stop7h 34mHawaiian Airlines
週二 30/906:00PHX - IAD
1 stop7h 52mHawaiian Airlines
Deal found 26/8£206
週二 21/1017:42IAD - PHX
1 stop7h 57mAlaska Airlines
週二 28/1007:01PHX - IAD
1 stop7h 12mAlaska Airlines
Deal found 26/8£207
週二 21/1017:25IAD - PHX
Nonstop4h 50mUnited Airlines
週二 28/1008:00PHX - IAD
Nonstop4h 12mUnited Airlines
Deal found 26/8£213
週二 23/917:52IAD - PHX
1 stop7h 34mHawaiian Airlines
週五 26/906:00PHX - IAD
1 stop7h 52mHawaiian Airlines
Deal found 26/8£217
週五 24/1019:22IAD - PHX
1 stop7h 53mUnited Airlines
週日 26/1022:59PHX - IAD
Nonstop4h 13mUnited Airlines
Deal found 26/8£220
週三 22/1017:25IAD - PHX
Nonstop4h 50mUnited Airlines
週日 26/1022:59PHX - IAD
Nonstop4h 13mUnited Airlines
Deal found 26/8£223
週二 9/1207:40IAD - PHX
2 stops8h 30mSouthwest
週日 14/1211:05PHX - IAD
Nonstop4h 05mSouthwest
Deal found 26/8£224
週日 21/917:26IAD - PHX
Nonstop4h 49mUnited Airlines
週五 26/913:41PHX - IAD
Nonstop4h 21mUnited Airlines
Deal found 25/8£225
週日 26/1008:20IAD - PHX
Nonstop5h 13mUnited Airlines
週五 31/1014:12PHX - IAD
Nonstop4h 13mUnited Airlines
Deal found 26/8£226
週二 23/917:52IAD - PHX
1 stop7h 34mAlaska Airlines
週二 30/906:00PHX - IAD
2 stops15h 23mAlaska Airlines
Deal found 26/8£227
週三 1/1006:15IAD - PHX
1 stop9h 27mDelta
週五 31/1013:20PHX - IAD
1 stop7h 13mDelta
Deal found 26/8£228
週四 25/910:45IAD - PHX
1 stop7h 24mUnited Airlines
週五 26/913:41PHX - IAD
Nonstop4h 21mUnited Airlines
Deal found 27/8£231

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 27 8月 2025.
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

Dulles Intl

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

週三 5/11

17:40-23:16

1 stop7h 36m

Phoenix Sky Harbor Intl

週二 11/11

08:01-17:13

1 stop7h 12m

£206

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

週六 27/9

17:52-22:26

1 stop7h 34m

Phoenix Sky Harbor Intl

週二 30/9

06:00-16:52

1 stop7h 52m

£206

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

週三 15/10

17:42-22:39

1 stop7h 57m

Phoenix Sky Harbor Intl

週三 22/10

06:00-16:42

1 stop7h 42m

£206

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

週二 4/11

17:40-23:16

1 stop7h 36m

Phoenix Sky Harbor Intl

週二 18/11

08:01-17:13

1 stop7h 12m

£206

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

週二 21/10

17:42-22:39

1 stop7h 57m

Phoenix Sky Harbor Intl

週二 28/10

07:01-17:13

1 stop7h 12m

£207

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

週六 18/10

17:42-22:39

1 stop7h 57m

Phoenix Sky Harbor Intl

週二 21/10

06:00-16:42

1 stop7h 42m

£207

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

週二 21/10

17:42-22:39

1 stop7h 57m

Phoenix Sky Harbor Intl

週三 22/10

06:00-16:42

1 stop7h 42m

£207

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

週三 17/9

17:52-22:26

1 stop7h 34m

Phoenix Sky Harbor Intl

週三 24/9

06:00-16:52

1 stop7h 52m

£207

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

週二 16/9

17:52-22:26

1 stop7h 34m

Phoenix Sky Harbor Intl

週二 23/9

16:30-16:52

1 stop21h 22m

£207

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

週三 5/11

17:40-23:16

1 stop7h 36m

Phoenix Sky Harbor Intl

週二 11/11

08:01-17:13

1 stop7h 12m

£207

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 21 results
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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?

Use this chart to determine the optimal time to book a return flight from Dulles Intl to Sky Harbor Intl. Price data was last updated on 22 August 2025.

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, January 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 £729). Flying from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in July is currently the most expensive (average of £1,041). 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 27 8月 2025.

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.

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.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport one-way?

    The cheapet airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport are Sun Country Air (£99), Hawaiian Airlines (£99), and Alaska Airlines (£100).

  • 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 Avianca (77%), United Airlines (69%) and Austrian Airlines (59%).

  • 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, January 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 £729). Flying from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in July is currently the most expensive (average of £1,041). 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?

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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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