Cheap flights from Washington, D.C. to Philadelphia from $89

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Philadelphia departing on 5/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:12 pm - 8:39 am
BWI
-
PHL
13h 27m
1 stop
Multiple Airlines Logo
7:56 pm - 4:40 pm
PHL
-
BWI
20h 44m
1 stop
$144Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Multiple Airlines Logo
9:21 pm - 9:49 am
BWI
-
PHL
12h 28m
1 stop
Multiple Airlines Logo
1:30 pm - 9:17 am
PHL
-
BWI
19h 47m
1 stop
$152Multiple Airlines
Mon, Apr 20 - Wed, Apr 22
Frontier Logo
6:05 am - 8:06 am
BWI
-
PHL
26h 01m
2 stops
Frontier Logo
4:30 pm - 9:17 am
PHL
-
BWI
16h 47m
1 stop
$179Frontier
Wed, Apr 8 - Wed, Apr 15
Frontier Logo
2:36 pm - 11:41 am
BWI
-
PHL
21h 05m
1 stop
Frontier Logo
5:32 pm - 8:43 am
PHL
-
BWI
15h 11m
1 stop
$180Frontier
Wed, Apr 15 - Fri, Apr 17
JetBlue Logo
3:39 pm - 10:39 pm
DCA
-
PHL
7h 00m
1 stop
JetBlue Logo
6:00 am - 9:49 am
PHL
-
DCA
3h 49m
1 stop
$201JetBlue
Wed, Apr 1 - Wed, Apr 8
JetBlue Logo
4:59 pm - 9:59 pm
DCA
-
PHL
5h 00m
1 stop
JetBlue Logo
6:00 am - 11:10 am
PHL
-
DCA
5h 10m
1 stop
$214JetBlue
Tue, Apr 28 - Sat, May 2
American Airlines Logo
2:16 pm - 3:26 pm
DCA
-
PHL
1h 10mnonstop
American Airlines Logo
3:20 pm - 4:42 pm
PHL
-
DCA
1h 22mnonstop
$219American Airlines
Wed, Apr 1 - Wed, Apr 8
United Airlines Logo
12:55 pm - 2:10 pm
IAD
-
PHL
1h 15mnonstop
United Airlines Logo
7:45 pm - 8:55 pm
PHL
-
IAD
1h 10mnonstop
$219United Airlines
Tue, Apr 7 - Tue, Apr 14
American Airlines Logo
2:16 pm - 3:26 pm
DCA
-
PHL
1h 10mnonstop
American Airlines Logo
3:20 pm - 4:42 pm
PHL
-
DCA
1h 22mnonstop
$234American Airlines
Wed, Apr 1 - Wed, Apr 8
United Airlines Logo
12:55 pm - 2:10 pm
IAD
-
PHL
1h 15mnonstop
United Airlines Logo
7:45 pm - 8:55 pm
PHL
-
IAD
1h 10mnonstop
$239United Airlines
Fri, Apr 10 - Sat, Apr 11

Spirit Airlines flights from Washington, D.C. to Philadelphia

Our best Spirit Airlines deals on Washington, D.C. to Philadelphia flight tickets
Spirit Airlines
Apr 27
BWI5:21 pmBaltimore/Washington
16h 28m
2 stops
PHL9:49 amPhiladelphia
May 4
PHL3:23 pmPhiladelphia
17h 52m
2 stops
BWI9:15 amBaltimore/Washington
$285
Spirit Airlines
Apr 22
BWI5:30 amBaltimore/Washington
14h 21m
2 stops
PHL7:51 pmPhiladelphia
Apr 23
PHL6:12 pmPhiladelphia
15h 03m
1 stop
BWI9:15 amBaltimore/Washington
$295
Spirit Airlines
Apr 20
BWI10:10 amBaltimore/Washington
23h 39m
1 stop
PHL9:49 amPhiladelphia
Apr 24
PHL3:23 pmPhiladelphia
17h 52m
2 stops
BWI9:15 amBaltimore/Washington
$307

American Airlines flights from Washington, D.C. to Philadelphia

Our best American Airlines deals on Washington, D.C. to Philadelphia flight tickets
American Airlines
Apr 1
DCA2:16 pmWashington, D.C. Reagan-National
1h 10m
PHL3:26 pmPhiladelphia
Apr 8
PHL3:20 pmPhiladelphia
1h 22m
DCA4:42 pmWashington, D.C. Reagan-National
$219
American Airlines
Apr 1
DCA2:16 pmWashington, D.C. Reagan-National
1h 10m
PHL3:26 pmPhiladelphia
Apr 8
PHL3:20 pmPhiladelphia
1h 22m
DCA4:42 pmWashington, D.C. Reagan-National
$234
American Airlines
Apr 1
DCA2:16 pmWashington, D.C. Reagan-National
1h 10m
PHL3:26 pmPhiladelphia
Apr 8
PHL7:35 pmPhiladelphia
4h 24m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$244

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 16, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Tue 4/7

7:12 pm-8:39 am

1 stop13h 27m

Philadelphia

Tue 4/14

7:56 pm-4:40 pm

1 stop20h 44m

$144

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Mon 4/20

9:21 pm-9:49 am

1 stop12h 28m

Philadelphia

Wed 4/22

1:30 pm-9:17 am

1 stop19h 47m

$152

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 4/8

6:05 am-8:06 am

2 stops26h 01m

Philadelphia

Wed 4/15

4:30 pm-9:17 am

1 stop16h 47m

$179

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 4/15

2:36 pm-11:41 am

1 stop21h 05m

Philadelphia

Fri 4/17

5:32 pm-8:43 am

1 stop15h 11m

$180

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Wed 4/1

3:39 pm-10:39 pm

1 stop7h 00m

Philadelphia

Wed 4/8

6:00 am-9:49 am

1 stop3h 49m

$201

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Tue 4/28

4:59 pm-9:59 pm

1 stop5h 00m

Philadelphia

Sat 5/2

6:00 am-11:10 am

1 stop5h 10m

$214

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Wed 4/1

2:16 pm-3:26 pm

Nonstop1h 10m

Philadelphia

Wed 4/8

3:20 pm-4:42 pm

Nonstop1h 22m

$219
Quickest round-trip

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Tue 4/7

12:55 pm-2:10 pm

Nonstop1h 15m

Philadelphia

Tue 4/14

7:45 pm-8:55 pm

Nonstop1h 10m

$219

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Wed 4/1

2:16 pm-3:26 pm

Nonstop1h 10m

Philadelphia

Wed 4/8

3:20 pm-4:42 pm

Nonstop1h 22m

$234

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Fri 4/10

12:55 pm-2:10 pm

Nonstop1h 15m

Philadelphia

Sat 4/11

7:45 pm-8:55 pm

Nonstop1h 10m

$239

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 Philadelphia from

How to get the cheapest flight ticket from Washington, D.C. to Philadelphia

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 typical price of a round-trip flight between Washington, D.C. and Philadelphia?

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Washington, D.C. to Philadelphia is on a Friday. Travelers who choose to depart for Philadelphia on a Friday will often find tickets for as low as $492. On the other hand, Wednesday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $673.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is at noon. momondo users have found flights departing from Washington, D.C. to Philadelphia at noon for as low as $509. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the afternoon when prices are around $748.

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

Fly from Washington, D.C. Reagan-National to Philadelphia for the best Washington, D.C. - Philadelphia flight prices

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

There are 4 cabin classes available to choose from on Washington, D.C. to Philadelphia 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 Washington, D.C. to Philadelphia flights?

You could potentially save up to 59% on your flight if you consider stops on a Washington, D.C. to Philadelphia flight.

How have Washington, D.C. to Philadelphia flight prices changed over time?

When to book flights from Washington, D.C. to Philadelphia

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

Cheap Washington, D.C. to Philadelphia (WAS to PHL) flight deals and tips

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

Best Price Found

$183

Fastest flight time

1h 10m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Washington, D.C. in the past 72 hours is $183. The best round-trip flight deal from Washington, D.C. to Philadelphia found on momondo in the last 72 hours is $338.
The fastest flight from Washington, D.C. to Philadelphia takes 1h 10m
Direct flights go from Washington, D.C. to Philadelphia every day.
There is 1 airport in Philadelphia. From Washington, D.C. there are direct flights to Philadelphia (PHL).
  • Is flying the fastest way to get from Washington, D.C. to Philadelphia?

    At 1h 15m, choosing to opt for a flight from Washington, D.C. to Philadelphia for this trip versus opting for a train from Washington, D.C. to Philadelphia or a bus from Washington, D.C. to Philadelphia can save you time on travel.

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

    There are 123.7 mi between Washington, D.C. and Philadelphia. A reasonable flight in good conditions will take 1h 10m.

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

    Prices for flights from Washington, D.C. to Philadelphia Airport are refreshed on a daily basis.

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

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

  • What documentation or ID do you need to fly to Philadelphia Airport?

    The travel and health documents required for your trip to Philadelphia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from Washington, D.C. to Philadelphia

Compare and see reviews for airlines that fly from Washington, D.C. to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $179Free CancellationRating
7.1
11,467 reviews
Search American Airlines flights
United AirlinesPriceFrom $179Free CancellationRating
7.4
9,428 reviews
Search United Airlines flights
  • United Airlines Flights From Washington, D.C. to Philadelphia

    United Airlines flies from Washington, D.C. to Philadelphia around 19 times per week, with 9,428 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Washington, D.C. to Philadelphia in the last 72 hours was $179 (round-trip), much lower than the average airfare cost of $457 for United Airlines flights on this route.

  • American Airlines Flights From Washington, D.C. to Philadelphia

    American Airlines (7.1/10 from 11,467 reviews) operates around 14 flights from Washington, D.C. to Philadelphia in any given week. The average American Airlines airfare for this route is around $437, with deals from around $179 rare but found on momondo. Referenced prices are for round-trip Washington, D.C. to Philadelphia flight searches in the last 72 hours.

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Cape May
Rehoboth Beach
Wildwood Crest
Ocean City
Cherry Hill
King of Prussia
Newark
Dewey Beach
Reading
Avalon
North Wildwood
Dover
Lewes
Stone Harbor
Essington
New Castle
Vineland
Pottstown
Somers Point

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Philadelphia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Philadelphia that suits you.

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

All flight searches from Washington, D.C. to Philadelphia on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Philadelphia from Washington, D.C..

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

If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from Washington, D.C. and alert you when they change.

An easier way to manage your Philadelphia trip

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1 adult
Wed 4/15
Wed 4/22

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