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Cheap flights from Philadelphia to Washington, D.C. Dulles Intl Airport from $125

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Washington, D.C. Dulles Intl Airport departing on 12/25. 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 Philadelphia to Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from Philadelphia to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Philadelphia to Washington, D.C..

Cheap last minute flights

Planning a quick getaway from Philadelphia to Washington, D.C.? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Washington, D.C., so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Philadelphia to Washington, D.C.

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All round-trip flight deals to Washington, D.C.

The cheapest plane tickets to Washington, D.C. found on KAYAK recently.
6:15 am - 7:30 amPHL-IAD
1h 15mnonstop
1:00 pm - 2:11 pmIAD-PHL
1h 11mnonstop
$179United Airlines
Find Deal
Sun, Jan 12 - Sun, Jan 19
6:15 am - 7:30 amPHL-IAD
1h 15mnonstop
8:30 am - 9:41 amIAD-PHL
1h 11mnonstop
$189United Airlines
Find Deal
Thu, Jan 16 - Thu, Jan 23
6:15 am - 7:30 amPHL-IAD
1h 15mnonstop
8:30 am - 9:41 amIAD-PHL
1h 11mnonstop
$194United Airlines
Find Deal
Wed, Jan 1 - Sat, Jan 4
2:46 pm - 4:02 pmPHL-IAD
1h 16mnonstop
12:55 pm - 2:03 pmIAD-PHL
1h 08mnonstop
$239United Airlines
Find Deal
Sun, Feb 9 - Sun, Feb 16
10:40 am - 11:48 amPHL-IAD
1h 08mnonstop
1:00 pm - 2:08 pmIAD-PHL
1h 08mnonstop
$240United Airlines
Find Deal
Wed, Feb 26 - Sun, Mar 9
6:15 am - 7:30 amPHL-IAD
1h 15mnonstop
8:40 am - 9:52 amIAD-PHL
1h 12mnonstop
$249United Airlines
Find Deal
Tue, Feb 11 - Fri, Feb 21
3:38 pm - 7:35 pmPHL-IAD
3h 57m1 stop
8:05 pm - 11:59 pmIAD-PHL
3h 54m1 stop
$288American Airlines
Find Deal
Fri, Jan 24 - Sun, Jan 26
6:00 am - 1:22 pmPHL-IAD
7h 22m1 stop
5:00 am - 11:35 amIAD-PHL
6h 35m1 stop
$388American Airlines
Find Deal
Tue, Jan 14 - Tue, Jan 21
2:37 pm - 7:05 pmPHL-IAD
28h 28m3 stops
8:25 am - 9:57 amIAD-PHL
25h 32m3 stops
Sun, Jan 26 - Wed, Jan 29
6:00 am - 11:48 amPHL-IAD
5h 48m1 stop
12:29 pm - 4:23 pmIAD-PHL
3h 54m1 stop
$1,462Delta
Find Deal
Sun, Feb 9 - Sun, Feb 16
10:32 am - 11:47 amPHL-IAD
1h 15mnonstop
$125United Airlines
Find Deal
Wed, Dec 25
10:35 am - 11:49 amPHL-IAD
1h 14mnonstop
$204United Airlines
Find Deal
Fri, Jan 24
11:00 am - 7:35 pmPHL-IAD
8h 35m2 stops
$212American Airlines
Find Deal
Fri, Jan 24
3:38 pm - 7:35 pmPHL-IAD
3h 57m1 stop
$213American Airlines
Find Deal
Fri, Jan 24
1:35 pm - 7:34 pmPHL-IAD
5h 59m1 stop
$220American Airlines
Find Deal
Wed, Dec 25
8:10 pm - 11:40 amPHL-IAD
39h 30m3 stops
Fri, Jan 24
5:55 am - 1:59 pmPHL-IAD
8h 04m1 stop
$270Delta
Find Deal
Sun, Jun 15
5:23 am - 11:26 amPHL-IAD
30h 03m3 stops
Wed, Jan 1
9:33 am - 3:50 pmPHL-IAD
6h 17m1 stop
$340Delta
Find Deal
Mon, Feb 10
7:25 am - 11:49 pmPHL-IAD
16h 24m1 stop
$347Alaska Airlines
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Sun, May 25
6:15 am - 7:30 amPHL-IAD
1h 15mnonstop
1:05 pm - 2:16 pmIAD-PHL
1h 11mnonstop
$299United Airlines
Find Deal
Sat, Dec 21 - Sun, Dec 22
8:35 am - 1:23 pmPHL-IAD
4h 48m1 stop
5:00 am - 9:49 amIAD-PHL
4h 49m1 stop
$303American Airlines
Find Deal
Mon, Dec 23 - Fri, Dec 27
6:15 am - 7:30 amPHL-IAD
1h 15mnonstop
5:10 pm - 6:21 pmIAD-PHL
1h 11mnonstop
$344United Airlines
Find Deal
Sun, Dec 22 - Fri, Dec 27
6:41 pm - 12:02 amPHL-IAD
5h 21m1 stop
5:00 am - 9:49 amIAD-PHL
4h 49m1 stop
$358American Airlines
Find Deal
Sun, Dec 22 - Fri, Dec 27
10:32 am - 11:47 amPHL-IAD
1h 15mnonstop
5:10 pm - 6:21 pmIAD-PHL
1h 11mnonstop
$359United Airlines
Find Deal
Mon, Dec 23 - Fri, Dec 27
5:53 pm - 12:02 amPHL-IAD
6h 09m1 stop
5:00 am - 9:50 amIAD-PHL
4h 50m1 stop
$538American Airlines
Find Deal
Sat, Dec 21 - Sun, Dec 22
3:40 pm - 12:02 amPHL-IAD
8h 22m2 stops
5:00 am - 9:49 amIAD-PHL
4h 49m1 stop
$697American Airlines
Find Deal
Sun, Dec 22 - Fri, Dec 27
6:15 am - 7:30 amPHL-IAD
1h 15mnonstop
10:20 pm - 5:36 pmIAD-PHL
19h 16m1 stop
$762United Airlines
Find Deal
Sun, Dec 22 - Fri, Dec 27
6:15 am - 7:30 amPHL-IAD
1h 15mnonstop
12:45 pm - 9:40 pmIAD-PHL
8h 55m1 stop
$849United Airlines
Find Deal
Mon, Dec 23 - Fri, Dec 27
6:15 am - 7:30 amPHL-IAD
1h 15mnonstop
10:20 pm - 2:19 pmIAD-PHL
15h 59m1 stop
$907United Airlines
Find Deal
Sat, Dec 21 - Sun, Dec 22
6:15 am - 7:30 amPHL-IAD
1h 15mnonstop
1:00 pm - 2:11 pmIAD-PHL
1h 11mnonstop
$179United Airlines
Find Deal
Sun, Jan 12 - Sun, Jan 19
6:15 am - 7:30 amPHL-IAD
1h 15mnonstop
8:30 am - 9:41 amIAD-PHL
1h 11mnonstop
$194United Airlines
Find Deal
Wed, Jan 1 - Sat, Jan 4
2:46 pm - 4:02 pmPHL-IAD
1h 16mnonstop
12:55 pm - 2:03 pmIAD-PHL
1h 08mnonstop
$239United Airlines
Find Deal
Sun, Feb 9 - Sun, Feb 16
10:40 am - 11:48 amPHL-IAD
1h 08mnonstop
1:00 pm - 2:08 pmIAD-PHL
1h 08mnonstop
$240United Airlines
Find Deal
Wed, Feb 26 - Sun, Mar 9
6:15 am - 7:30 amPHL-IAD
1h 15mnonstop
12:55 pm - 2:03 pmIAD-PHL
1h 08mnonstop
$249United Airlines
Find Deal
Tue, Feb 11 - Sun, Feb 16
6:15 am - 7:30 amPHL-IAD
1h 15mnonstop
12:55 pm - 2:03 pmIAD-PHL
1h 08mnonstop
$259United Airlines
Find Deal
Tue, Feb 11 - Mon, Feb 17
10:40 am - 11:48 amPHL-IAD
1h 08mnonstop
1:00 pm - 2:08 pmIAD-PHL
1h 08mnonstop
$285United Airlines
Find Deal
Wed, Feb 26 - Sat, Mar 8
6:15 am - 7:30 amPHL-IAD
1h 15mnonstop
12:55 pm - 2:03 pmIAD-PHL
1h 08mnonstop
$299United Airlines
Find Deal
Wed, Feb 12 - Sun, Feb 16
2:37 pm - 3:47 pmPHL-IAD
1h 10mnonstop
8:15 am - 9:25 amIAD-PHL
1h 10mnonstop
$309United Airlines
Find Deal
Sat, Apr 12 - Wed, Apr 16
2:37 pm - 3:47 pmPHL-IAD
1h 10mnonstop
12:45 pm - 1:55 pmIAD-PHL
1h 10mnonstop
$339United Airlines
Find Deal
Sun, Apr 13 - Sun, Apr 20

United Airlines flights from Philadelphia to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Philadelphia to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Jan 12
PHL6:15 amPhiladelphia
1h 15m
IAD7:30 amWashington, D.C. Dulles Intl
Jan 19
IAD1:00 pmWashington, D.C. Dulles Intl
1h 11m
PHL2:11 pmPhiladelphia
United Airlines
Jan 16
PHL6:15 amPhiladelphia
1h 15m
IAD7:30 amWashington, D.C. Dulles Intl
Jan 23
IAD8:30 amWashington, D.C. Dulles Intl
1h 11m
PHL9:41 amPhiladelphia
United Airlines
Jan 1
PHL6:15 amPhiladelphia
1h 15m
IAD7:30 amWashington, D.C. Dulles Intl
Jan 4
IAD8:30 amWashington, D.C. Dulles Intl
1h 11m
PHL9:41 amPhiladelphia

American Airlines flights from Philadelphia to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Philadelphia to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Jan 24
PHL3:38 pmPhiladelphia
3h 57m
1 stop
IAD7:35 pmWashington, D.C. Dulles Intl
Jan 26
IAD8:05 pmWashington, D.C. Dulles Intl
3h 54m
1 stop
PHL11:59 pmPhiladelphia
American Airlines
Dec 23
PHL8:35 amPhiladelphia
4h 48m
1 stop
IAD1:23 pmWashington, D.C. Dulles Intl
Dec 27
IAD5:00 amWashington, D.C. Dulles Intl
4h 49m
1 stop
PHL9:49 amPhiladelphia
American Airlines
Dec 22
PHL6:41 pmPhiladelphia
5h 21m
1 stop
IAD12:02 amWashington, D.C. Dulles Intl
Dec 27
IAD5:00 amWashington, D.C. Dulles Intl
4h 49m
1 stop
PHL9:49 amPhiladelphia

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Philadelphia 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 day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Saturday 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 $152. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Washington, D.C. Dulles Intl Airport for around $399.

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 Philadelphia in the morning is the least expensive time of day to depart. momondo users have found prices as low as $249 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $269 on average. Flights to Washington, D.C. Dulles Intl Airport from Philadelphia at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Philadelphia to Washington, D.C. Dulles Intl flight route?

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

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

There are 4 cabin classes available to choose from on Philadelphia 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.

Can stopping save me money on Philadelphia to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 69% on your flight if you consider stops on a Philadelphia to Washington, D.C. Dulles Intl Airport flight.

When to book flights from Philadelphia to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia 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 Philadelphia to Washington, D.C. Dulles Intl Airport (PHL to IAD) flight deals and tips

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

Best Price Found

$125

Fastest flight time

1h 06m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Philadelphia in the past 72 hours is $125. The best round-trip flight deal from Philadelphia to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $179.
The fastest flight from Philadelphia to Washington, D.C. Dulles Intl Airport takes 1h 06m
Direct flights go from Philadelphia to Washington, D.C. Dulles Intl Airport every day.

  • How far is Philadelphia to Washington, D.C. Dulles Intl by plane?

    The straight-line distance from Philadelphia to Washington, D.C. Dulles Intl is 140.7 mi. 1h 06m is a normal flight duration for this route.

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

    Prices for flights from Philadelphia Airport to Washington, D.C. Dulles Intl Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia 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 travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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


Best airlines flying from Philadelphia to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Philadelphia to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $146Free CancellationRating
7.4
9,048 reviews
Search United Airlines flights
  • United Airlines Flights From Philadelphia to Washington, D.C. Dulles Intl Airport

    United Airlines flies from Philadelphia to Washington, D.C. Dulles Intl Airport around 6 times per week, with 9,048 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Philadelphia to Washington, D.C. Dulles Intl Airport in the last 72 hours was $146 (round-trip), much lower than the average airfare cost of $249 for United Airlines flights on this route.


Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia 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 Philadelphia to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

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

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

Price alerts on flights to Washington, D.C. from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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