AED500 Cheap Flights from Phoenix (PHX) to Washington (IAD)

View AED500 flight on Tue, 18 August 2026Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Phoenix to Washington (PHX-IAD)

Prices were available within the past 7 days and start at AED500 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How long does it take to fly from Sky Harbor Intl. Airport (PHX) to Dulles Intl. Airport?
United Airlines has a direct flight jetting off from Sky Harbor Intl. Airport (PHX) at 1:55PM and reaching IAD at 9:11PM — a total flight duration of 4 hours and 16 minutes. Select your favorite seat, pack something to keep you occupied and the time will whiz by.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Dulles Intl. Airport last minute?
When it's time to book your flights, being organized pays off. While you may be able to find a deal on a Phoenix Sky Harbor Intl. Airport to Washington Dulles Intl. Airport (IAD) flight at the last minute, prices usually don't get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days in advance. For international flights it's three to four months.
What airline has the least delays from Phoenix Sky Harbor Intl. Airport to IAD?
With an on-time performance score of 94%, United Airlines is the carrier most likely to get you from Phoenix Sky Harbor Intl. Airport to Washington Dulles Intl. Airport (IAD) on schedule. Flight delays aren't just an unpleasant experience — they can also cause you to miss a connection or even ruin your vacation. You can keep updated by checking your flight status through the free Expedia App before you even get to the airport. If you're already at the terminal and you're worried about the knock-on effects, visit your airline's customer service desk to work out your next move.
What airports do you fly into for Washington from Phoenix?
Washington Dulles Intl. Airport (IAD), Ronald Reagan Washington National Airport (DCA) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) are your options when traveling from Phoenix to Washington. Roughly 40 kilometers west of downtown Washington, Washington Dulles Intl. Airport (IAD) is the city's principal entry point. Keep in mind things like flight schedules and the distance to your hotel before deciding on an airport. White House and United States Capitol are two top attractions to check out when you arrive.
What are the most popular departure times for flights from Sky Harbor Intl. Airport (PHX) to Washington Dulles Intl. Airport (IAD)?
For United Airlines flights jetting out from Phoenix Sky Harbor Intl. Airport to Dulles Intl. Airport, the most popular period is between 8:00 AM - 9:00 AM. If you want to avoid delays, head off in the morning. This gives you a better chance to avoid air traffic that accumulates later in the day.
Can I change the date of my flight from Phoenix Sky Harbor Intl. Airport to IAD?
You can quickly make changes to your Phoenix Sky Harbor Intl. Airport to Washington Dulles Intl. Airport (IAD) journey via the Expedia Trips portal. But before you make any adjustments, read through the conditions in your itinerary to find out what you're able to do and whether fees apply. Some airlines charge a change fee per person, plus any difference in prices. However, if you booked in the last 24 hours, you may be able to cancel for free and arrange new flights. You can also take a look at our Customer Service portal for more info and to chat with our Virtual Agent.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Washington Dulles Intl.
Distance
3123 km
Average flight time
7 hours 48 mins

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