Cheap flights from Philadelphia to Washington, D.C. from $76

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. departing on 2/4. 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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Cheap round-trip flights

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Frontier Logo
11:34 am - 12:31 am
PHL
-
BWI
12h 57m
1 stop
Frontier Logo
6:00 am - 5:12 pm
BWI
-
PHL
11h 12m
1 stop
$133Frontier
Tue, Feb 17 - Tue, Feb 24
Multiple Airlines Logo
2:40 pm - 11:59 pm
PHL
-
BWI
9h 19m
1 stop
Multiple Airlines Logo
9:36 am - 9:53 am
BWI
-
PHL
24h 17m
1 stop
$143Multiple Airlines
Thu, Feb 5 - Mon, Feb 9
Multiple Airlines Logo
7:12 pm - 9:34 am
PHL
-
IAD
14h 22m
1 stop
Multiple Airlines Logo
2:58 pm - 7:49 pm
IAD
-
PHL
28h 51m
2 stops
$147Multiple Airlines
Fri, Feb 20 - Fri, Feb 27
Frontier Logo
5:30 am - 12:31 am
PHL
-
BWI
19h 01m
1 stop
Frontier Logo
6:00 am - 6:11 pm
BWI
-
PHL
12h 11m
1 stop
$149Frontier
Fri, Feb 20 - Fri, Feb 27
JetBlue Logo
6:00 am - 12:59 pm
PHL
-
DCA
6h 59m
1 stop
JetBlue Logo
4:59 pm - 10:36 pm
DCA
-
PHL
5h 37m
1 stop
$151JetBlue
Wed, Feb 18 - Wed, Feb 25
American Airlines Logo
3:14 pm - 4:25 pm
PHL
-
DCA
1h 11mnonstop
American Airlines Logo
4:34 pm - 5:44 pm
DCA
-
PHL
1h 10mnonstop
$179American Airlines
Tue, Feb 17 - Tue, Feb 24
United Airlines Logo
8:02 pm - 9:16 pm
PHL
-
IAD
1h 14mnonstop
United Airlines Logo
8:31 am - 9:48 am
IAD
-
PHL
1h 17mnonstop
$179United Airlines
Mon, Feb 16 - Mon, Feb 23
JetBlue Logo
3:02 pm - 9:00 pm
PHL
-
DCA
5h 58m
1 stop
JetBlue Logo
3:55 pm - 10:31 pm
DCA
-
PHL
6h 36m
1 stop
$192JetBlue
Sat, Mar 7 - Sat, Mar 14
United Airlines Logo
10:30 am - 11:48 am
PHL
-
IAD
1h 18mnonstop
United Airlines Logo
12:55 pm - 2:10 pm
IAD
-
PHL
1h 15mnonstop
$202United Airlines
Sun, Feb 8 - Mon, Feb 16
American Airlines Logo
8:11 pm - 9:30 pm
PHL
-
DCA
1h 19mnonstop
American Airlines Logo
1:44 pm - 2:50 pm
DCA
-
PHL
1h 06mnonstop
$209American Airlines
Fri, Feb 6 - Sun, Feb 8

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

Our best United Airlines deals on Philadelphia to Washington, D.C. flight tickets
United Airlines
Feb 17
PHL8:02 pmPhiladelphia
1h 14m
IAD9:16 pmWashington, D.C. Dulles Intl
Feb 24
IAD8:31 amWashington, D.C. Dulles Intl
1h 17m
PHL9:48 amPhiladelphia
$179
United Airlines
Feb 8
PHL10:30 amPhiladelphia
1h 18m
IAD11:48 amWashington, D.C. Dulles Intl
Feb 16
IAD12:55 pmWashington, D.C. Dulles Intl
1h 15m
PHL2:10 pmPhiladelphia
$202
United Airlines
Feb 4
PHL10:40 amPhiladelphia
1h 15m
IAD11:55 amWashington, D.C. Dulles Intl
Feb 7
IAD5:40 pmWashington, D.C. Dulles Intl
1h 15m
PHL6:55 pmPhiladelphia
$209

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

Our best American Airlines deals on Philadelphia to Washington, D.C. flight tickets
American Airlines
Feb 17
PHL3:14 pmPhiladelphia
1h 11m
DCA4:25 pmWashington, D.C. Reagan-National
Feb 24
DCA4:34 pmWashington, D.C. Reagan-National
1h 10m
PHL5:44 pmPhiladelphia
$179
American Airlines
Feb 6
PHL8:11 pmPhiladelphia
1h 19m
DCA9:30 pmWashington, D.C. Reagan-National
Feb 8
DCA1:44 pmWashington, D.C. Reagan-National
1h 06m
PHL2:50 pmPhiladelphia
$209
American Airlines
Feb 17
PHL3:14 pmPhiladelphia
1h 11m
DCA4:25 pmWashington, D.C. Reagan-National
Feb 24
DCA9:59 amWashington, D.C. Reagan-National
5h 30m
1 stop
PHL3:29 pmPhiladelphia
$219

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Washington, D.C. 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 January 21, 2026.
Use the filters below to find and compare flights from Philadelphia to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Tue 2/17

11:34 am-12:31 am

1 stop12h 57m

Baltimore/Washington

Tue 2/24

6:00 am-5:12 pm

1 stop11h 12m

$133

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Thu 2/5

2:40 pm-11:59 pm

1 stop9h 19m

Baltimore/Washington

Mon 2/9

9:36 am-9:53 am

1 stop24h 17m

$143

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Fri 2/20

7:12 pm-9:34 am

1 stop14h 22m

Washington, D.C. Dulles Intl

Fri 2/27

2:58 pm-7:49 pm

2 stops28h 51m

$147

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Fri 2/20

5:30 am-12:31 am

1 stop19h 01m

Baltimore/Washington

Fri 2/27

6:00 am-6:11 pm

1 stop12h 11m

$149

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Wed 2/18

6:00 am-12:59 pm

1 stop6h 59m

Washington, D.C. Reagan-National

Wed 2/25

4:59 pm-10:36 pm

1 stop5h 37m

$151

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Tue 2/17

3:14 pm-4:25 pm

Nonstop1h 11m

Washington, D.C. Reagan-National

Tue 2/24

4:34 pm-5:44 pm

Nonstop1h 10m

$179

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Mon 2/16

8:02 pm-9:16 pm

Nonstop1h 14m

Washington, D.C. Dulles Intl

Mon 2/23

8:31 am-9:48 am

Nonstop1h 17m

$179

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Sat 3/7

3:02 pm-9:00 pm

1 stop5h 58m

Washington, D.C. Reagan-National

Sat 3/14

3:55 pm-10:31 pm

1 stop6h 36m

$192

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Sun 2/8

10:30 am-11:48 am

Nonstop1h 18m

Washington, D.C. Dulles Intl

Mon 2/16

12:55 pm-2:10 pm

Nonstop1h 15m

$202

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Fri 2/6

8:11 pm-9:30 pm

Nonstop1h 19m

Washington, D.C. Reagan-National

Sun 2/8

1:44 pm-2:50 pm

Nonstop1h 06m

$209

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.

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 Philadelphia and Washington, D.C.?

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

On average, the least expensive day to fly to Washington, D.C. from Philadelphia is on a Friday. momondo users have found tickets for Friday departures for as low as $644. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Washington, D.C. for around $885.

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

In the morning is the cheapest time of day to fly from Philadelphia to Washington, D.C. when you can find flight prices for as low as $646. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $1,144. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

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

You could potentially save up to 63% on your flight if you consider stops on a Philadelphia to Washington, D.C. flight.

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

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

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

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

Best Price Found

$280

Fastest flight time

1h 08m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. from Philadelphia in the past 72 hours is $280. The best round-trip flight deal from Philadelphia to Washington, D.C. found on momondo in the last 72 hours is $466.
The fastest flight from Philadelphia to Washington, D.C. takes 1h 08m
Direct flights go from Philadelphia to Washington, D.C. every day.
There are 2 airports in Washington, D.C.. From Philadelphia there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).
  • Is flying the fastest way to get from Philadelphia to Washington, D.C.?

    The quickest way is to book a train from Philadelphia to Washington, D.C., which can be as quick as 1h 41m onboard Acela. You can also get a flight from Philadelphia to Washington, D.C., or a bus from Philadelphia to Washington, D.C. which can take you longer to arrive at your destination.

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

    Philadelphia and Washington, D.C. are 123.7 mi apart from one another. Typically, this will take 1h 08m by plane in normal conditions.

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

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

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

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

    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 Philadelphia Airport to Washington, D.C..

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

    The necessary travel and health documents for your Washington, D.C. 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 Philadelphia to Washington, D.C.?

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

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

Compare and see reviews for airlines that fly from Philadelphia to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $159Free CancellationRating
7.2
11,174 reviews
Search American Airlines flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,191 reviews
Search United Airlines flights
  • United Airlines Flights From Philadelphia to Washington, D.C.

    United Airlines is one of the most popular airlines flying from Philadelphia to Washington, D.C., operating 16 flights/week on average for this route. A good United Airlines flight deal for Philadelphia to Washington, D.C. starts from $189 round-trip, up to an average price of $388. Our users have rated United Airlines at 7.4/10.

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

    Another popular option for Philadelphia to Washington, D.C. flights is American Airlines (7.2/10, 11,174 ratings). American Airlines flies from Philadelphia to Washington, D.C. around 13 times per week, with deals starting from $159 round-trip and rising to an average price of around $221.

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
Gettysburg
Arlington
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Rockville
Gaithersburg
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Glen Burnie

Why use momondo?

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

It is quick and easy to find Philadelphia to Washington, D.C. 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 Washington, D.C. that suits you.

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

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

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

Once all potential Philadelphia to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Philadelphia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington, D.C. trip

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1 adult
Fri 2/20
Fri 2/27

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.