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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 1/17. 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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Cheap round-trip flights

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Frontier Logo
7:12 pm - 11:28 am
PHL
-
IAD
16h 16m1 stop
Frontier Logo
6:00 am - 4:28 pm
IAD
-
PHL
10h 28m1 stop
$132Frontier
mié., ene. 7 - mié., ene. 14
Frontier Logo
7:11 pm - 10:38 am
PHL
-
BWI
15h 27m1 stop
Frontier Logo
6:05 am - 12:52 am
BWI
-
PHL
18h 47m1 stop
$133Frontier
mar., ene. 6 - mar., ene. 13
Multiple Airlines Logo
8:54 pm - 11:44 pm
PHL
-
BWI
26h 50m1 stop
Multiple Airlines Logo
1:00 pm - 11:50 pm
BWI
-
PHL
10h 50m1 stop
$138Multiple Airlines
mié., ene. 7 - mié., ene. 14
Multiple Airlines Logo
5:30 am - 12:07 pm
PHL
-
BWI
6h 37m1 stop
Multiple Airlines Logo
1:54 pm - 10:50 pm
BWI
-
PHL
8h 56m1 stop
$142Multiple Airlines
jue., ene. 8 - jue., ene. 15
JetBlue Logo
8:40 am - 4:19 pm
PHL
-
DCA
7h 39m1 stop
JetBlue Logo
1:00 pm - 6:23 pm
DCA
-
PHL
5h 23m1 stop
$151JetBlue
lun., feb. 2 - jue., feb. 5
JetBlue Logo
8:40 am - 1:20 pm
PHL
-
DCA
4h 40m1 stop
JetBlue Logo
1:00 pm - 6:23 pm
DCA
-
PHL
5h 23m1 stop
$152JetBlue
mié., ene. 7 - mié., ene. 14
United Airlines Logo
3:01 pm - 4:18 pm
PHL
-
IAD
1h 17mnonstop
United Airlines Logo
12:55 pm - 2:10 pm
IAD
-
PHL
1h 15mnonstop
$179United Airlines
mié., ene. 7 - mié., ene. 14
American Airlines Logo
7:44 pm - 8:55 pm
PHL
-
DCA
1h 11mnonstop
American Airlines Logo
1:44 pm - 2:44 pm
DCA
-
PHL
1h 00mnonstop
$180American Airlines
jue., ene. 1 - dom., ene. 4
American Airlines Logo
3:35 pm - 4:35 pm
PHL
-
DCA
1h 00mnonstop
American Airlines Logo
1:44 pm - 2:50 pm
DCA
-
PHL
1h 06mnonstop
$194American Airlines
lun., dic. 22 - mar., ene. 6
United Airlines Logo
6:00 am - 7:15 am
PHL
-
IAD
1h 15mnonstop
United Airlines Logo
10:20 pm - 11:30 pm
IAD
-
PHL
1h 10mnonstop
$209United Airlines
mié., dic. 24 - sáb., dic. 27

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

Our best American Airlines deals on Philadelphia to Washington, D.C. flight tickets
American Airlines
Jan 1
PHL7:44 pmPhiladelphia
1h 11m
DCA8:55 pmWashington, D.C. Reagan-National
Jan 4
DCA1:44 pmWashington, D.C. Reagan-National
1h 00m
PHL2:44 pmPhiladelphia
$180
Find similar
American Airlines
Dec 22
PHL3:35 pmPhiladelphia
1h 00m
DCA4:35 pmWashington, D.C. Reagan-National
Jan 6
DCA1:44 pmWashington, D.C. Reagan-National
1h 06m
PHL2:50 pmPhiladelphia
$194
Find similar
American Airlines
Dec 24
PHL3:35 pmPhiladelphia
1h 00m
DCA4:35 pmWashington, D.C. Reagan-National
Dec 27
DCA1:44 pmWashington, D.C. Reagan-National
1h 00m
PHL2:44 pmPhiladelphia
$209
Find similar

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

Our best United Airlines deals on Philadelphia to Washington, D.C. flight tickets
United Airlines
Jan 6
PHL10:30 amPhiladelphia
1h 17m
IAD11:47 amWashington, D.C. Dulles Intl
Jan 13
IAD12:55 pmWashington, D.C. Dulles Intl
1h 15m
PHL2:10 pmPhiladelphia
$179
Find similar
United Airlines
Dec 24
PHL10:39 amPhiladelphia
1h 16m
IAD11:55 amWashington, D.C. Dulles Intl
Dec 28
IAD10:20 pmWashington, D.C. Dulles Intl
1h 10m
PHL11:30 pmPhiladelphia
$209
Find similar
United Airlines
Mar 17
PHL7:45 pmPhiladelphia
1h 13m
IAD8:58 pmWashington, D.C. Dulles Intl
Mar 22
IAD12:35 pmWashington, D.C. Dulles Intl
1h 16m
PHL1:51 pmPhiladelphia
$222
Find similar

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 diciembre 11, 2025.
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

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

mié. 1/7

7:12 pm-11:28 am

1 stop16h 16m

Washington, D.C. Dulles Intl

mié. 1/14

6:00 am-4:28 pm

1 stop10h 28m

$132

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

mar. 1/6

7:11 pm-10:38 am

1 stop15h 27m

Baltimore/Washington

mar. 1/13

6:05 am-12:52 am

1 stop18h 47m

$133

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

mié. 1/7

8:54 pm-11:44 pm

1 stop26h 50m

Baltimore/Washington

mié. 1/14

1:00 pm-11:50 pm

1 stop10h 50m

$138

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

jue. 1/8

5:30 am-12:07 pm

1 stop6h 37m

Baltimore/Washington

jue. 1/15

1:54 pm-10:50 pm

1 stop8h 56m

$142

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

lun. 2/2

8:40 am-4:19 pm

1 stop7h 39m

Washington, D.C. Reagan-National

jue. 2/5

1:00 pm-6:23 pm

1 stop5h 23m

$151

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

mié. 1/7

8:40 am-1:20 pm

1 stop4h 40m

Washington, D.C. Reagan-National

mié. 1/14

1:00 pm-6:23 pm

1 stop5h 23m

$152

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

mié. 1/7

3:01 pm-4:18 pm

Nonstop1h 17m

Washington, D.C. Dulles Intl

mié. 1/14

12:55 pm-2:10 pm

Nonstop1h 15m

$179

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

jue. 1/1

7:44 pm-8:55 pm

Nonstop1h 11m

Washington, D.C. Reagan-National

dom. 1/4

1:44 pm-2:44 pm

Nonstop1h 00m

$180

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

lun. 12/22

3:35 pm-4:35 pm

Nonstop1h 00m

Washington, D.C. Reagan-National

mar. 1/6

1:44 pm-2:50 pm

Nonstop1h 06m

$194

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

mié. 12/24

6:00 am-7:15 am

Nonstop1h 15m

Washington, D.C. Dulles Intl

sáb. 12/27

10:20 pm-11:30 pm

Nonstop1h 10m

$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 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 $637. 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 $928.

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 $635. 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 $1,166. 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

$283

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 $283. The best round-trip flight deal from Philadelphia to Washington, D.C. found on momondo in the last 72 hours is $372.
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).
Search flight deals

  • 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 34m 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.

  • 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 $132, or consider a bus from Philadelphia to Washington, D.C. starting at $58. 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 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
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,095 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 15 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 $356. 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, 11,050 ratings). American Airlines flies from Philadelphia to Washington, D.C. around 12 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Gaithersburg
Reston
Manassas
Fairfax
Glen Burnie
Linthicum Heights
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.

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