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Cheap flights from Philadelphia to Washington, D.C. from $91

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 3/18. 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.
7:03 pm - 12:15 amPHL-BWI
5h 12m1 stop
9:20 pm - 10:13 amBWI-PHL
12h 53m2 stops
$119Spirit Airlines
Find Deal
Tue, Apr 15 - Tue, Apr 22
7:03 pm - 12:15 amPHL-BWI
5h 12m1 stop
11:25 am - 2:27 pmBWI-PHL
27h 02m2 stops
$120Spirit Airlines
Find Deal
Tue, Apr 15 - Tue, Apr 22
5:43 am - 6:45 amPHL-DCA
1h 02mnonstop
6:35 am - 7:36 amDCA-PHL
1h 01mnonstop
$179American Airlines
Find Deal
Thu, Mar 13 - Sun, Mar 16
6:15 am - 7:21 amPHL-IAD
1h 06mnonstop
8:40 am - 9:50 amIAD-PHL
1h 10mnonstop
$179United Airlines
Find Deal
Sun, Apr 13 - Thu, Apr 24
6:49 pm - 7:59 pmPHL-DCA
1h 10mnonstop
10:15 pm - 11:26 pmDCA-PHL
1h 11mnonstop
$180American Airlines
Find Deal
Tue, Apr 15 - Tue, Apr 22
6:15 am - 7:21 amPHL-IAD
1h 06mnonstop
8:40 am - 9:50 amIAD-PHL
1h 10mnonstop
$180United Airlines
Find Deal
Tue, Apr 15 - Tue, Apr 22
6:00 am - 1:58 pmPHL-DCA
7h 58m1 stop
12:29 pm - 5:24 pmDCA-PHL
4h 55m1 stop
$181JetBlue
Find Deal
Wed, Mar 19 - Wed, Mar 26
10:49 pm - 7:46 pmPHL-IAD
20h 57m1 stop
8:46 pm - 5:41 pmIAD-PHL
20h 55m1 stop
$199Frontier
Find Deal
Fri, Mar 21 - Fri, Mar 28
10:49 pm - 4:54 pmPHL-IAD
18h 05m2 stops
8:46 pm - 5:41 pmIAD-PHL
20h 55m1 stop
$206Frontier
Find Deal
Fri, Mar 21 - Fri, Mar 28
6:00 am - 10:29 amPHL-DCA
4h 29m1 stop
12:29 pm - 5:25 pmDCA-PHL
4h 56m1 stop
$267JetBlue
Find Deal
Mon, Mar 3 - Mon, Mar 3

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

Our best United Airlines deals on Philadelphia to Washington, D.C. flight tickets
United Airlines
Apr 13
PHL6:15 amPhiladelphia
1h 06m
IAD7:21 amWashington, D.C. Dulles Intl
Apr 24
IAD8:40 amWashington, D.C. Dulles Intl
1h 10m
PHL9:50 amPhiladelphia
United Airlines
Apr 15
PHL6:15 amPhiladelphia
1h 06m
IAD7:21 amWashington, D.C. Dulles Intl
Apr 22
IAD8:40 amWashington, D.C. Dulles Intl
1h 10m
PHL9:50 amPhiladelphia
United Airlines
Mar 8
PHL6:30 amPhiladelphia
1h 05m
IAD7:35 amWashington, D.C. Dulles Intl
Mar 9
IAD1:00 pmWashington, D.C. Dulles Intl
1h 08m
PHL2:08 pmPhiladelphia

Frontier flights from Philadelphia to Washington, D.C.

Our best Frontier deals on Philadelphia to Washington, D.C. flight tickets
Frontier
Mar 21
PHL10:49 pmPhiladelphia
20h 57m
1 stop
IAD7:46 pmWashington, D.C. Dulles Intl
Mar 28
IAD8:46 pmWashington, D.C. Dulles Intl
20h 55m
1 stop
PHL5:41 pmPhiladelphia
Frontier
Mar 21
PHL10:49 pmPhiladelphia
18h 05m
2 stops
IAD4:54 pmWashington, D.C. Dulles Intl
Mar 28
IAD8:46 pmWashington, D.C. Dulles Intl
20h 55m
1 stop
PHL5:41 pmPhiladelphia
Frontier
Mar 21
PHL10:49 pmPhiladelphia
18h 05m
2 stops
IAD4:54 pmWashington, D.C. Dulles Intl
Mar 28
IAD4:10 pmWashington, D.C. Dulles Intl
25h 31m
2 stops
PHL5:41 pmPhiladelphia

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 month to fly to Washington, D.C.?

The month of November is, on average, the cheapest month to fly to Washington, D.C. from Philadelphia, with most prices found around $179. If you’re not able to fly to Washington, D.C. in November, then September is your next best option. Flight prices from Philadelphia to Washington, D.C. during September average around $219.

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 $545. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Washington, D.C. for around $701.

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 $530. 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 $1,196. 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.

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

As of February 2025, prices for Philadelphia to Washington, D.C. flights are approximately 58% cheaper 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

$91

Fastest flight time

0h 59m

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 $91. The best round-trip flight deal from Philadelphia to Washington, D.C. found on momondo in the last 72 hours is $119.
The fastest flight from Philadelphia to Washington, D.C. takes 0h 59m
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)

  • 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 0h 59m onboard American 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 train 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 $119, or consider a bus from Philadelphia to Washington, D.C. starting at $46. 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 0h 59m 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
United AirlinesPriceFrom $146Free CancellationRating
7.4
8,766 reviews
Search United Airlines flights
American AirlinesPriceFrom $159Free CancellationRating
7.2
10,000 reviews
Search American 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 14 flights/week on average for this route. A good United Airlines flight deal for Philadelphia to Washington, D.C. starts from $146 round-trip, up to an average price of $249. 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 19 times per week, with deals starting from $159 round-trip and rising to an average price of around $289.


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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Arlington
Gettysburg
Laurel
National Harbor
Silver Spring
Woodbridge
Fredericksburg
Manassas
Tysons
Waldorf
Gaithersburg
Linthicum Heights
Glen Burnie
Rockville
Fairfax
Towson
Hanover
Reston
Hyattsville

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

2h 50m
$27 one-way$46 round-trip
Nonstop · from $461 stop · from $56

Distance to downtown

ZWU1.7 mi

Trains

1h 47m
$11 one-way$22 round-trip
Nonstop · from $22

Distance to downtown

ZWU1.7 mi

Flights

1h 02m
$91 one-way$119 round-trip
1 stop · from $163

Distance to downtown

BWI8.5 mi

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

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1 adult
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Tue 2/25
Tue 3/4

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.