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Cheap flights from Philadelphia to Washington, D.C. from $92

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:30 am - 5:13 pmPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
8h 43m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
9:06 pm - 7:21 amIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
10h 15m1 stop Atlanta Hartsfield-Jackson
$92Frontier
Tue, Oct 20 - Tue, Oct 27
Frontier Logo
8:30 am - 5:13 pmPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
8h 43m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
8:05 am - 6:19 pmIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
10h 14m1 stop Atlanta Hartsfield-Jackson
$94Frontier
Tue, Oct 20 - Tue, Oct 27
Frontier Logo
12:36 pm - 11:43 pmPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
11h 07m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
7:40 am - 7:21 amIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
23h 41m1 stop Atlanta Hartsfield-Jackson
$111Frontier
Wed, Nov 11 - Mon, Nov 16
Frontier Logo
12:36 pm - 11:43 pmPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
11h 07m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
9:06 pm - 7:21 amIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
10h 15m1 stop Atlanta Hartsfield-Jackson
$114Frontier
Wed, Nov 11 - Mon, Nov 16
Frontier Logo
12:36 pm - 11:43 pmPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
11h 07m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
9:06 pm - 7:21 amIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
10h 15m1 stop Atlanta Hartsfield-Jackson
$118Frontier
Wed, Nov 11 - Mon, Nov 16
Frontier Logo
12:35 pm - 10:17 amPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
21h 42m2 stops Atlanta Hartsfield-Jackson Orlando
Frontier Logo
8:05 am - 6:19 pmIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
10h 14m1 stop Atlanta Hartsfield-Jackson
$121Frontier
Tue, Oct 20 - Tue, Oct 27
Frontier Logo
8:30 am - 12:21 amPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
15h 51m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
11:16 am - 7:21 amIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
20h 05m2 stops Orlando Atlanta Hartsfield-Jackson
$125Frontier
Tue, Oct 20 - Tue, Oct 27
Frontier Logo
8:39 am - 5:12 pmPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
8h 33m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
9:06 pm - 7:21 amIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
10h 15m1 stop Atlanta Hartsfield-Jackson
$132Frontier
Sat, Oct 31 - Mon, Nov 2
United Airlines Logo
10:30 am - 11:40 amPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
1h 10mnonstop
United Airlines Logo
8:36 am - 9:49 amIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
1h 13mnonstop
$289United Airlines
Wed, Nov 11 - Mon, Nov 16
United Airlines Logo
7:40 pm - 8:53 pmPHL  Philadelphia-IAD Washington, D.C. Dulles Intl
1h 13mnonstop
United Airlines Logo
10:15 pm - 11:30 pmIAD  Washington, D.C. Dulles Intl-PHL Philadelphia
1h 15mnonstop
$289United Airlines
Thu, Nov 5 - Sun, Nov 8

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

Our best Frontier deals on Philadelphia to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Oct 20
PHL8:30 amPhiladelphia
8h 43m
1 stop
IAD5:13 pmWashington, D.C. Dulles Intl
Oct 27
IAD9:06 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
PHL7:21 amPhiladelphia
$92
Frontier
Oct 20
PHL8:30 amPhiladelphia
8h 43m
1 stop
IAD5:13 pmWashington, D.C. Dulles Intl
Oct 27
IAD8:05 amWashington, D.C. Dulles Intl
10h 14m
1 stop
PHL6:19 pmPhiladelphia
$94
Frontier
Oct 20
PHL8:30 amPhiladelphia
8h 43m
1 stop
IAD5:13 pmWashington, D.C. Dulles Intl
Oct 24
IAD7:50 amWashington, D.C. Dulles Intl
15h 21m
1 stop
PHL11:11 pmPhiladelphia
$96

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
Oct 7
PHL7:35 pmPhiladelphia
4h 23m
1 stop
IAD11:58 pmWashington, D.C. Dulles Intl
Oct 11
IAD5:01 amWashington, D.C. Dulles Intl
4h 36m
1 stop
PHL9:37 amPhiladelphia
$339
American Airlines
Sep 29
PHL12:04 pmPhiladelphia
6h 55m
1 stop
IAD6:59 pmWashington, D.C. Dulles Intl
Oct 6
IAD6:15 amWashington, D.C. Dulles Intl
5h 24m
1 stop
PHL11:39 amPhiladelphia
$354
American Airlines
Oct 2
PHL6:55 pmPhiladelphia
3h 56m
1 stop
IAD10:51 pmWashington, D.C. Dulles Intl
Oct 4
IAD6:32 amWashington, D.C. Dulles Intl
4h 47m
1 stop
PHL11:19 amPhiladelphia
$369

momondo Fare Finder

 
Use the filters below to find and compare flights from Philadelphia to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaWashington, D.C.

PHL Philadelphia - IAD Washington, D.C. Dulles Intl

PHLIAD

Philadelphia

Tue 10/20

8:30 am-5:13 pm

1 stop8h 43m

Washington, D.C. Dulles Intl

Tue 10/27

9:06 pm-7:21 am

1 stop10h 15m

$92

PhiladelphiaWashington, D.C.

PHL Philadelphia - IAD Washington, D.C. Dulles Intl

PHLIAD

Philadelphia

Tue 10/20

8:30 am-5:13 pm

1 stop8h 43m

Washington, D.C. Dulles Intl

Tue 10/27

8:05 am-6:19 pm

1 stop10h 14m

$94

PhiladelphiaWashington, D.C.

PHL Philadelphia - IAD Washington, D.C. Dulles Intl

PHLIAD

Philadelphia

Wed 11/11

12:36 pm-11:43 pm

1 stop11h 07m

Washington, D.C. Dulles Intl

Mon 11/16

7:40 am-7:21 am

1 stop23h 41m

$111

PhiladelphiaWashington, D.C.

PHL Philadelphia - IAD Washington, D.C. Dulles Intl

PHLIAD

Philadelphia

Wed 11/11

12:36 pm-11:43 pm

1 stop11h 07m

Washington, D.C. Dulles Intl

Mon 11/16

9:06 pm-7:21 am

1 stop10h 15m

$114

PhiladelphiaWashington, D.C.

PHL Philadelphia - IAD Washington, D.C. Dulles Intl

PHLIAD

Philadelphia

Wed 11/11

12:36 pm-11:43 pm

1 stop11h 07m

Washington, D.C. Dulles Intl

Mon 11/16

9:06 pm-7:21 am

1 stop10h 15m

$118

PhiladelphiaWashington, D.C.

PHL Philadelphia - IAD Washington, D.C. Dulles Intl

PHLIAD

Philadelphia

Tue 10/20

12:35 pm-10:17 am

2 stops21h 42m

Washington, D.C. Dulles Intl

Tue 10/27

8:05 am-6:19 pm

1 stop10h 14m

$121

PhiladelphiaWashington, D.C.

PHL Philadelphia - IAD Washington, D.C. Dulles Intl

PHLIAD

Philadelphia

Tue 10/20

8:30 am-12:21 am

1 stop15h 51m

Washington, D.C. Dulles Intl

Tue 10/27

11:16 am-7:21 am

2 stops20h 05m

$125

PhiladelphiaWashington, D.C.

PHL Philadelphia - IAD Washington, D.C. Dulles Intl

PHLIAD

Philadelphia

Sat 10/31

8:39 am-5:12 pm

1 stop8h 33m

Washington, D.C. Dulles Intl

Mon 11/2

9:06 pm-7:21 am

1 stop10h 15m

$132
Quickest round-trip

PhiladelphiaWashington, D.C.

PHL Philadelphia - IAD Washington, D.C. Dulles Intl

PHLIAD

Philadelphia

Wed 11/11

10:30 am-11:40 am

Nonstop1h 10m

Washington, D.C. Dulles Intl

Mon 11/16

8:36 am-9:49 am

Nonstop1h 13m

$289

PhiladelphiaWashington, D.C.

PHL Philadelphia - IAD Washington, D.C. Dulles Intl

PHLIAD

Philadelphia

Thu 11/5

7:40 pm-8:53 pm

Nonstop1h 13m

Washington, D.C. Dulles Intl

Sun 11/8

10:15 pm-11:30 pm

Nonstop1h 15m

$289

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 month to fly to Washington, D.C. Dulles Intl Airport?

In general, July is the cheapest month to fly from Philadelphia 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 $239. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $239.

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

Our data shows that Sunday 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 $774. When flying out on a Saturday, 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 $1,141.

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 $720 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 $1,243 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 Airport flights?

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

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

$111

Fastest flight time

1h 08m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Philadelphia in the past 72 hours is $111. The best round-trip flight deal from Philadelphia to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $92.
The fastest flight from Philadelphia to Washington, D.C. Dulles Intl Airport takes 1h 08m
Direct flights go from Philadelphia to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Philadelphia to Washington, D.C. Dulles Intl Airport

  • 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 08m 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 $239Free CancellationRating
7.4
10,226 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 9 times per week, with 10,226 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 $239 (round-trip), much lower than the average airfare cost of $489 for United Airlines flights on this route.

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

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

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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