Cheap Flights from Washington (IAD) to Phoenix (PHX)

View AU$236 flight on Tue, 7 Oct. 2025Opens in a new window

Popular airlines from Washington Dulles International Airport (IAD) to Sky Harbor International Airport (PHX)

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Cheap Flights from Washington (IAD) to Phoenix (PHX)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, 23 Dec. - Wed, 24 Dec.
IAD
Washington
PHX
Phoenix
AU$679 Return, found 5 days ago
AU$679
Return
found 5 days ago
Select United flight, departing Tue, 23 Dec. from Washington to Phoenix, returning Wed, 24 Dec., priced at AU$679 found 5 days ago
United
Tue, 23 Dec. - Wed, 24 Dec.
IAD
Washington
PHX
Phoenix
AU$748 Return, found 5 days ago
AU$748
Return
found 5 days ago
Select United flight, departing Tue, 23 Dec. from Washington to Phoenix, returning Wed, 24 Dec., priced at AU$748 found 5 days ago
Delta
Tue, 23 Dec. - Wed, 24 Dec.
IAD
Washington
PHX
Phoenix
AU$778 Return, found 5 days ago
AU$778
Return
found 5 days ago
Select Delta flight, departing Tue, 23 Dec. from Washington to Phoenix, returning Wed, 24 Dec., priced at AU$778 found 5 days ago
Delta
Tue, 23 Dec. - Wed, 24 Dec.
IAD
Washington
PHX
Phoenix
AU$793 Return, found 5 days ago
AU$793
Return
found 5 days ago
Select Delta flight, departing Tue, 23 Dec. from Washington to Phoenix, returning Wed, 24 Dec., priced at AU$793 found 5 days ago
United
Tue, 23 Dec. - Wed, 24 Dec.
IAD
Washington
PHX
Phoenix
AU$800 Return, found 5 days ago
AU$800
Return
found 5 days ago
Select United flight, departing Tue, 23 Dec. from Washington to Phoenix, returning Wed, 24 Dec., priced at AU$800 found 5 days ago
United
Tue, 23 Dec. - Wed, 24 Dec.
IAD
Washington
PHX
Phoenix
AU$802 Return, found 5 days ago
AU$802
Return
found 5 days ago
Select United flight, departing Tue, 23 Dec. from Washington to Phoenix, returning Wed, 24 Dec., priced at AU$802 found 5 days ago
Delta
Tue, 23 Dec. - Wed, 24 Dec.
IAD
Washington
PHX
Phoenix
AU$808 Return, found 5 days ago
AU$808
Return
found 5 days ago
Select Delta flight, departing Tue, 23 Dec. from Washington to Phoenix, returning Wed, 24 Dec., priced at AU$808 found 5 days ago
United
Tue, 23 Dec. - Wed, 24 Dec.
IAD
Washington
PHX
Phoenix
AU$815 Return, found 5 days ago
AU$815
Return
found 5 days ago
Select United flight, departing Tue, 23 Dec. from Washington to Phoenix, returning Wed, 24 Dec., priced at AU$815 found 5 days ago
Delta
Tue, 23 Dec. - Wed, 24 Dec.
IAD
Washington
PHX
Phoenix
AU$840 Return, found 5 days ago
AU$840
Return
found 5 days ago
Select Delta flight, departing Tue, 23 Dec. from Washington to Phoenix, returning Wed, 24 Dec., priced at AU$840 found 5 days ago
United
Tue, 23 Dec. - Wed, 24 Dec.
IAD
Washington
PHX
Phoenix
AU$841 Return, found 5 days ago
AU$841
Return
found 5 days ago
Select United flight, departing Tue, 23 Dec. from Washington to Phoenix, returning Wed, 24 Dec., priced at AU$841 found 5 days ago

Find the cheapest month to fly from Washington (IAD) to Phoenix (PHX)

August is typically the cheapest month to fly

From AU$237 - AU$866 per traveller.

Graph displaying average flight prices per month

Flight from Washington to Phoenix route information
Origin airport
Washington Dulles Intl.
Destination airport
Sky Harbor Intl.
Return price
AU$679
Distance
3123 km
Average flight time
1 hour 46 mins

Your quick guide to flights from Washington to Phoenix

Pick up great flights from Washington to Phoenix

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Washington to Phoenix. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Washington to Phoenix that take around hours.

Find cheap flights from Washington to Phoenix

From the great flight deals with prices currently ranging from AU$679 to AU$841, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Washington to Phoenix around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Phoenix is normally in December.

Reasons to book your flight from Washington to Phoenix with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Washington to Phoenix across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Phoenix right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from IAD to Phoenix Sky Harbour Intl. Airport?
Start packing your bags, because round-trip flights from Washington Dulles Intl. Airport (IAD) to Phoenix Sky Harbour Airport start from AU$679. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to Phoenix Sky Harbour Airport?
We get that your situation can change unexpectedly, so we've made it as hassle-free as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from IAD to PHX that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Washington Dulles Intl. Airport (IAD) to Sky Harbour Intl. Airport (PHX) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Dulles Intl. Airport to Phoenix Sky Harbour Airport?
You'll be cruising at altitude for a while, as the flight distance between Dulles Intl. Airport and PHX is 3 100 kilometres. Put together a playlist of your favourite podcasts before you leave home to keep yourself entertained during the flight.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Phoenix Sky Harbour Airport?
Operating 30 flights monthly, United Airlines (UA) is a top choice when flying directly from Washington Dulles Intl. Airport (IAD) to Sky Harbour Intl. Airport (PHX).
Are Dulles Intl. Airport to PHX flight tickets cheaper when they're purchased at the last minute?
Booking your trip from IAD to Sky Harbour Intl. Airport (PHX) at the last minute could be your ticket to a cheap deal. However, you might miss out on a flight altogether! If you'd rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia.

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