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Cheap flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport from $65

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 4/2. 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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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from Phoenix Sky Harbor Intl Airport to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.
6:16 pm - 6:31 amPHX-IAD
9h 15m1 stop
8:01 am - 5:11 pmIAD-PHX
12h 10m1 stop
$130Frontier
Find Deal
Sat, May 3 - Mon, May 5
10:29 pm - 6:31 amPHX-IAD
29h 02m1 stop
8:01 am - 9:24 pmIAD-PHX
16h 23m1 stop
$140Frontier
Find Deal
Thu, May 1 - Mon, May 5
9:35 am - 4:40 pmPHX-IAD
4h 05mnonstop
5:30 pm - 7:45 pmIAD-PHX
5h 15mnonstop
$299Southwest
Find Deal
Wed, Apr 2 - Mon, Apr 7
6:00 am - 4:13 pmPHX-IAD
7h 13m1 stop
5:50 pm - 7:57 pmIAD-PHX
5h 07mnonstop
$305United Airlines
Find Deal
Wed, Apr 2 - Sun, Apr 6
12:45 am - 11:44 amPHX-IAD
7h 59m1 stop
5:50 pm - 7:57 pmIAD-PHX
5h 07mnonstop
$309United Airlines
Find Deal
Thu, Apr 3 - Fri, Apr 4
3:25 pm - 6:08 amPHX-IAD
11h 43m1 stop
6:00 am - 9:47 amIAD-PHX
6h 47m1 stop
$319Delta
Find Deal
Wed, Apr 9 - Tue, Apr 15
11:00 am - 10:40 pmPHX-IAD
8h 40m1 stop
7:00 pm - 9:10 pmIAD-PHX
5h 10mnonstop
$347Southwest
Find Deal
Thu, May 1 - Sun, May 4
11:40 pm - 9:19 amPHX-IAD
6h 39m1 stop
7:43 am - 4:35 pmIAD-PHX
11h 52m1 stop
$348Delta
Find Deal
Sun, Mar 23 - Wed, Apr 2
12:27 pm - 11:58 pmPHX-IAD
8h 31m1 stop
6:27 am - 12:54 pmIAD-PHX
9h 27m1 stop
$377American Airlines
Find Deal
Thu, Mar 20 - Thu, Mar 27
12:37 pm - 11:58 pmPHX-IAD
8h 21m2 stops
5:13 pm - 9:37 pmIAD-PHX
7h 24m1 stop
$382American Airlines
Find Deal
Wed, Apr 2 - Mon, Apr 7

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
PHX6:16 pmPhoenix Sky Harbor Intl
9h 15m
1 stop
IAD6:31 amWashington, D.C. Dulles Intl
May 5
IAD8:01 amWashington, D.C. Dulles Intl
12h 10m
1 stop
PHX5:11 pmPhoenix Sky Harbor Intl
Frontier
May 1
PHX10:29 pmPhoenix Sky Harbor Intl
29h 02m
1 stop
IAD6:31 amWashington, D.C. Dulles Intl
May 5
IAD8:01 amWashington, D.C. Dulles Intl
16h 23m
1 stop
PHX9:24 pmPhoenix Sky Harbor Intl
Frontier
Mar 24
PHX7:30 amPhoenix Sky Harbor Intl
9h 16m
1 stop
IAD7:46 pmWashington, D.C. Dulles Intl
Apr 2
IAD3:19 pmWashington, D.C. Dulles Intl
8h 48m
1 stop
PHX9:07 pmPhoenix Sky Harbor Intl

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

Our best Southwest deals on Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport flight tickets
Southwest
Apr 2
PHX9:35 amPhoenix Sky Harbor Intl
4h 05m
IAD4:40 pmWashington, D.C. Dulles Intl
Apr 7
IAD5:30 pmWashington, D.C. Dulles Intl
5h 15m
PHX7:45 pmPhoenix Sky Harbor Intl
Southwest
May 1
PHX11:00 amPhoenix Sky Harbor Intl
8h 40m
1 stop
IAD10:40 pmWashington, D.C. Dulles Intl
May 4
IAD7:00 pmWashington, D.C. Dulles Intl
5h 10m
PHX9:10 pmPhoenix Sky Harbor Intl
Southwest
May 7
PHX9:25 amPhoenix Sky Harbor Intl
4h 20m
IAD4:45 pmWashington, D.C. Dulles Intl
May 14
IAD5:30 pmWashington, D.C. Dulles Intl
5h 10m
PHX7:40 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 $367. 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 $544. 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 $761.

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 $443 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $768 on average. Flights to Washington, D.C. Dulles Intl Airport from Phoenix Sky Harbor Intl Airport in the morning 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 $425 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 $351 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 February 2025, prices for Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport flights are approximately 22% more expensive 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

$65

Fastest flight time

4h 04m

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 $65. 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 $130.
The fastest flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport takes 4h 04m
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 04m 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
DeltaPriceFrom $225Free CancellationRating
8.0
8,175 reviews
Search Delta flights
United AirlinesPriceFrom $267Free CancellationRating
7.4
8,740 reviews
Search United Airlines flights
SouthwestPriceFrom $293Free CancellationRating
8.1
4,380 reviews
Search Southwest flights
American AirlinesPriceFrom $294Free 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 7 Southwest flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport this week, the average price was $427, with the best Southwest deals starting from $293 round-trip. 4,380 users have rated Southwest on momondo, with an average score of 8.1/10.

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

    $267 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 $427, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,740 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
Laurel
National Harbor
Winchester
Silver Spring
Woodbridge
Fredericksburg
Manassas
Tysons
Waldorf
Gaithersburg
Linthicum Heights
Harpers Ferry
Glen Burnie
Rockville
Fairfax
Towson
Hanover

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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