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Cheap flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport from $87

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport departing on 6/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Washington, D.C.

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Phoenix Sky Harbor Intl Airport to Washington, D.C..
Frontier Logo
4:53 pm - 6:31 amPHX-IAD
10h 38m1 stop
Frontier Logo
7:45 am - 4:49 pmIAD-PHX
12h 04m1 stop
$178Frontier
Find Deal
sáb., may. 3 - mié., may. 7
Frontier Logo
10:29 pm - 6:31 amPHX-IAD
29h 02m1 stop
Frontier Logo
7:45 am - 3:48 pmIAD-PHX
11h 03m1 stop
$181Frontier
Find Deal
mié., abr. 30 - sáb., may. 3
United Airlines Logo
8:50 am - 4:08 pmPHX-IAD
4h 18mnonstop
United Airlines Logo
5:34 pm - 7:22 pmIAD-PHX
4h 48mnonstop
$269United Airlines
Find Deal
mar., may. 20 - sáb., may. 24
United Airlines Logo
6:30 pm - 5:15 amPHX-IAD
7h 45m1 stop
United Airlines Logo
8:15 am - 10:00 amIAD-PHX
4h 45mnonstop
$279United Airlines
Find Deal
mar., may. 27 - sáb., may. 31
Southwest Logo
9:25 am - 4:45 pmPHX-IAD
4h 20mnonstop
Southwest Logo
5:05 pm - 7:10 pmIAD-PHX
5h 05mnonstop
$285Southwest
Find Deal
mié., may. 21 - dom., may. 25
Southwest Logo
2:15 pm - 11:15 pmPHX-IAD
6h 00m1 stop
Southwest Logo
5:35 pm - 7:45 pmIAD-PHX
5h 10mnonstop
$294Southwest
Find Deal
sáb., may. 24 - vie., may. 30
Delta Logo
12:45 am - 11:16 amPHX-IAD
7h 31m1 stop
Delta Logo
7:04 pm - 11:14 pmIAD-PHX
7h 10m1 stop
$308Delta
Find Deal
jue., may. 29 - mar., jun. 17
Delta Logo
5:30 am - 4:44 pmPHX-IAD
8h 14m1 stop
Delta Logo
6:00 am - 9:44 amIAD-PHX
6h 44m1 stop
$319Delta
Find Deal
mar., jun. 3 - dom., jun. 15
American Airlines Logo
12:38 am - 11:00 amPHX-IAD
7h 22m1 stop
American Airlines Logo
6:27 am - 11:09 amIAD-PHX
7h 42m1 stop
$364American Airlines
Find Deal
vie., jun. 6 - mar., jun. 10
American Airlines Logo
12:38 am - 11:00 amPHX-IAD
7h 22m1 stop
American Airlines Logo
6:55 am - 11:23 amIAD-PHX
7h 28m1 stop
$377American Airlines
Find Deal
sáb., jun. 21 - vie., jun. 27

American Airlines flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Jun 6
PHX12:38 amPhoenix Sky Harbor Intl
7h 22m
1 stop
IAD11:00 amWashington, D.C. Dulles Intl
Jun 10
IAD6:27 amWashington, D.C. Dulles Intl
7h 42m
1 stop
PHX11:09 amPhoenix Sky Harbor Intl
American Airlines
Jun 21
PHX12:38 amPhoenix Sky Harbor Intl
7h 22m
1 stop
IAD11:00 amWashington, D.C. Dulles Intl
Jun 27
IAD6:55 amWashington, D.C. Dulles Intl
7h 28m
1 stop
PHX11:23 amPhoenix Sky Harbor Intl
American Airlines
May 17
PHX1:44 pmPhoenix Sky Harbor Intl
6h 13m
1 stop
IAD10:57 pmWashington, D.C. Dulles Intl
May 24
IAD9:11 amWashington, D.C. Dulles Intl
8h 56m
2 stops
PHX3:07 pmPhoenix Sky Harbor Intl

Frontier flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
May 3
PHX4:53 pmPhoenix Sky Harbor Intl
10h 38m
1 stop
IAD6:31 amWashington, D.C. Dulles Intl
May 7
IAD7:45 amWashington, D.C. Dulles Intl
12h 04m
1 stop
PHX4:49 pmPhoenix Sky Harbor Intl
Frontier
Apr 30
PHX10:29 pmPhoenix Sky Harbor Intl
29h 02m
1 stop
IAD6:31 amWashington, D.C. Dulles Intl
May 3
IAD7:45 amWashington, D.C. Dulles Intl
11h 03m
1 stop
PHX3:48 pmPhoenix Sky Harbor Intl
Frontier
May 24
PHX6:00 amPhoenix Sky Harbor Intl
20h 55m
1 stop
IAD5:55 amWashington, D.C. Dulles Intl
May 30
IAD7:25 amWashington, D.C. Dulles Intl
16h 49m
1 stop
PHX9:14 pmPhoenix Sky Harbor Intl

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, August is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $349. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $368.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $503. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport for around $729.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Phoenix Sky Harbor Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $437 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $745 on average. Flights to Washington, D.C. Dulles Intl Airport from Phoenix Sky Harbor Intl Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Phoenix Sky Harbor Intl to Washington, D.C. Dulles Intl flight route?

Fly from Phoenix Sky Harbor Intl to Washington, D.C. Dulles Intl for the best Phoenix Sky Harbor Intl - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Phoenix Sky Harbor Intl Airport when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $406 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Phoenix Sky Harbor Intl Airport for as low as $345 on momondo.

What cabin class options are available on Phoenix Sky Harbor Intl to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Phoenix Sky Harbor Intl to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of April 2025, prices for Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 28% cheaper when compared to flights at the same time last year.

When to book flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport (PHX to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport

Best Price Found

$87

Fastest flight time

4h 15m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Phoenix Sky Harbor Intl Airport in the past 72 hours is $87. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $178.
The fastest flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport takes 4h 15m
Direct flights go from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport every day.

  • How far is Phoenix Sky Harbor Intl to Washington, D.C. Dulles Intl by plane?

    The distance between Phoenix Sky Harbor Intl and Washington, D.C. Dulles Intl is about 1950.3 mi. 4h 15m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport were last updated today.

  • How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport?


Best airlines flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $146Free CancellationRating
6.0
3,281 reviews
Search Frontier flights
DeltaPriceFrom $188Free CancellationRating
8.0
7,916 reviews
Search Delta flights
SouthwestPriceFrom $253Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
United AirlinesPriceFrom $271Free CancellationRating
7.4
8,667 reviews
Search United Airlines flights
American AirlinesPriceFrom $324Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Southwest Flights From Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport

    Across 5 Southwest flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport this week, the average price was $401, with the best Southwest deals starting from $253 round-trip. 4,280 users have rated Southwest on momondo, with an average score of 8.0/10.

  • United Airlines Flights From Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport

    $271 is the best United Airlines flight deal from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $418, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,667 user reviews) flies into Washington, D.C. Dulles Intl Airport from Phoenix Sky Harbor Intl Airport 25 times in an average week so prices can vary.


Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Arlington
Gettysburg
National Harbor
Laurel
Winchester
Silver Spring
Woodbridge
Tysons
Fredericksburg
Waldorf
Manassas
Harpers Ferry
Gaithersburg
Rockville
Glen Burnie
Fairfax
Linthicum Heights
Towson
Reston

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Phoenix to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Phoenix to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Phoenix with this policy.

How can momondo help me find flights from Phoenix to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Phoenix. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Phoenix to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Phoenix to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.


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