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Cheap flights from Philadelphia to Washington, D.C. from $68

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 8/17. 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

Spirit Airlines Logo
7:00 am - 10:09 pmPHL-BWI
15h 09m1 stop
Spirit Airlines Logo
2:30 pm - 8:49 pmBWI-PHL
6h 19m1 stop
$173Spirit Airlines
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Tue, Aug 26 - Tue, Sep 2
Spirit Airlines Logo
7:00 am - 10:09 pmPHL-BWI
15h 09m1 stop
Spirit Airlines Logo
2:30 pm - 8:49 pmBWI-PHL
6h 19m1 stop
$174Spirit Airlines
Find Deal
Tue, Aug 26 - Tue, Sep 2
American Airlines Logo
10:30 am - 11:43 amPHL-DCA
1h 13mnonstop
American Airlines Logo
6:10 am - 7:21 amDCA-PHL
1h 11mnonstop
$179American Airlines
Find Deal
Tue, Aug 26 - Tue, Sep 2
American Airlines Logo
6:36 pm - 7:59 pmPHL-DCA
1h 23mnonstop
American Airlines Logo
6:10 am - 7:21 amDCA-PHL
1h 11mnonstop
$180American Airlines
Find Deal
Fri, Aug 22 - Sun, Aug 24
Logo
6:54 pm - 11:31 amPHL-BWI
16h 37m1 stop
Logo
2:30 pm - 8:49 pmBWI-PHL
6h 19m1 stop
$193
Find Deal
Tue, Aug 12 - Tue, Aug 19
United Airlines Logo
7:59 pm - 9:08 pmPHL-IAD
1h 09mnonstop
United Airlines Logo
10:05 pm - 11:14 pmIAD-PHL
1h 09mnonstop
$194United Airlines
Find Deal
Fri, Jul 25 - Mon, Jul 28
JetBlue Logo
10:15 am - 3:08 pmPHL-DCA
4h 53m1 stop
JetBlue Logo
11:45 am - 4:55 pmDCA-PHL
5h 10m1 stop
$201JetBlue
Find Deal
Tue, Aug 26 - Tue, Sep 2
United Airlines Logo
6:05 am - 7:15 amPHL-IAD
1h 10mnonstop
United Airlines Logo
8:30 am - 9:47 amIAD-PHL
1h 17mnonstop
$203United Airlines
Find Deal
Sun, Jul 27 - Thu, Oct 16
Logo
6:00 am - 9:23 amPHL-IAD
27h 23m2 stops
Logo
11:04 am - 9:56 amIAD-PHL
22h 52m2 stops
$270
Find Deal
Sun, Aug 10 - Sun, Aug 17
JetBlue Logo
6:00 am - 10:00 amPHL-DCA
4h 00m1 stop
JetBlue Logo
9:00 am - 3:47 pmDCA-PHL
6h 47m1 stop
$355JetBlue
Find Deal
Fri, Nov 14 - Fri, Nov 21

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

Our best United Airlines deals on Philadelphia to Washington, D.C. flight tickets
United Airlines
Jul 25
PHL7:59 pmPhiladelphia
1h 09m
IAD9:08 pmWashington, D.C. Dulles Intl
Jul 28
IAD10:05 pmWashington, D.C. Dulles Intl
1h 09m
PHL11:14 pmPhiladelphia
$194
Find similar
United Airlines
Jul 27
PHL6:05 amPhiladelphia
1h 10m
IAD7:15 amWashington, D.C. Dulles Intl
Oct 16
IAD8:30 amWashington, D.C. Dulles Intl
1h 17m
PHL9:47 amPhiladelphia
$203
Find similar
United Airlines
Aug 11
PHL7:59 pmPhiladelphia
1h 09m
IAD9:08 pmWashington, D.C. Dulles Intl
Aug 18
IAD8:45 amWashington, D.C. Dulles Intl
1h 10m
PHL9:55 amPhiladelphia
$213
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Frontier flights from Philadelphia to Washington, D.C.

Our best Frontier deals on Philadelphia to Washington, D.C. flight tickets
Frontier
Aug 1
PHL10:29 pmPhiladelphia
11h 04m
1 stop
BWI9:33 amBaltimore/Washington
Aug 3
BWI5:35 pmBaltimore/Washington
7h 00m
1 stop
PHL12:35 amPhiladelphia
$212
Find similar
Frontier
Jul 31
PHL10:29 pmPhiladelphia
14h 13m
1 stop
IAD12:42 pmWashington, D.C. Dulles Intl
Aug 7
IAD6:10 amWashington, D.C. Dulles Intl
18h 25m
1 stop
PHL12:35 amPhiladelphia
$228
Find similar
Frontier
Aug 22
PHL5:40 amPhiladelphia
10h 50m
1 stop
IAD4:30 pmWashington, D.C. Dulles Intl
Aug 24
IAD5:18 pmWashington, D.C. Dulles Intl
7h 31m
1 stop
PHL12:49 amPhiladelphia
$231
Find similar

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 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 $613. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Washington, D.C. for around $876.

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 $609. 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 $1,163. 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. Dulles Intl 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 49% 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?

As of July 2025, prices for Philadelphia to Washington, D.C. flights are approximately 280% more expensive when compared to flights at the same time last year.

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

$68

Fastest flight time

1h 00m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Philadelphia in the past 72 hours is $68. The best round-trip flight deal from Philadelphia to Washington, D.C. found on momondo in the last 72 hours is $173.
The fastest flight from Philadelphia to Washington, D.C. takes 1h 00m
Direct flights go from Philadelphia to Washington, D.C. every day.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)
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  • Is flying the fastest way to get from Philadelphia to Washington, D.C.?

    The quickest way is to book a flight from Philadelphia to Washington, D.C., which can be as quick as 1h 00m onboard United Airlines. You can also get a train 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.

  • Is flying the cheapest way to get from Philadelphia to Washington, D.C.?

    A bus from Philadelphia to Washington, D.C. is currently going to be the least expensive option currently available. You can also find deals for a flight from Philadelphia to Washington, D.C. starting at $173, or consider a train from Philadelphia to Washington, D.C. starting at $22. Both of these alternative options are worth considering when looking to reach 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 00m 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
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
8,856 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 26 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 $272. 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, 10,000 ratings). American Airlines flies from Philadelphia to Washington, D.C. around 20 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
Gettysburg
Arlington
National Harbor
Laurel
Woodbridge
Silver Spring
Tysons
Waldorf
Fredericksburg
Manassas
Gaithersburg
Rockville
Towson
Fairfax
Colonial Beach
Glen Burnie
Linthicum Heights
Reston
Springfield

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.

Choose the best way to get from Philadelphia to Washington, D.C.

Buses

1h 50m
$27 one-way$20 round-trip
Nonstop · from $20

Distance to downtown

W42 • 3.4 mi
ZWU • 1.7 mi

Find Buses

Philadelphia to Washington, D.C. Buses

Trains

1h 35m
$11 one-way$22 round-trip
Nonstop · from $22

Distance to downtown

ZWU • 1.7 mi

Find Trains

Philadelphia to Washington, D.C. Trains

Flights

1h 09m
$68 one-way$173 round-trip
Nonstop · from $1791 stop · from $104

Distance to downtown

BWI • 8.5 mi

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Philadelphia to Washington, D.C. Flights

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

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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.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport