What airlines fly to Washington, D.C.?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Washington, D.C. from Philadelphia according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Philadelphia to Washington, D.C.?

Spirit Airlines, JetBlue, and Frontier are the most popular carriers operating from Philadelphia to Washington, D.C.

How many flights depart from Philadelphia to Washington, D.C. on average per week?

83 flights are operational weekly from Philadelphia to Washington, D.C. as of March 2026. The most popular departure day for this route is Thu, with 19% of flights per week taking off on this day.

How many flights depart from Philadelphia to Washington, D.C. on average per day?

11 flights are operational daily from Philadelphia to Washington, D.C. as of March 2026. The most popular departure time for this route is 10:00AM, with 41% of flights per day taking off in the afternoon.

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 $148, or consider a bus from Philadelphia to Washington, D.C. starting at $39. Both of these alternative options are worth considering when looking to reach your destination.

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.?

As of March 2026, there are 2 operators available to choose from 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.

$89 Cheap Flights from Philadelphia to Washington, D.C. in 2026

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Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:12 pm - 9:17 am

PHL

BWI

15h 05m

1 stop

9:21 pm - 9:49 am

BWI

PHL

12h 28m

1 stop

$148Multiple Airlines

Wed, Apr 22 - Mon, Apr 27

6:12 pm - 8:43 am

PHL

BWI

14h 31m

1 stop

9:21 pm - 9:49 am

BWI

PHL

12h 28m

1 stop

$160Multiple Airlines

Fri, Apr 24 - Mon, Apr 27

5:32 pm - 8:28 am

PHL

BWI

14h 56m

1 stop

7:27 pm - 12:45 am

BWI

PHL

29h 18m

1 stop

$170Frontier

Wed, Apr 8 - Thu, May 7

6:05 am - 8:20 am

PHL

BWI

26h 15m

1 stop

10:10 am - 11:37 pm

BWI

PHL

13h 27m

1 stop

$179Multiple Airlines

Wed, Apr 15 - Wed, Apr 22

4:15 pm - 8:43 am

PHL

BWI

16h 28m

1 stop

7:27 pm - 12:45 am

BWI

PHL

29h 18m

1 stop

$186Frontier

Fri, May 1 - Fri, May 8

6:00 am - 1:33 pm

PHL

DCA

7h 33m

1 stop

12:00 pm - 5:38 pm

DCA

PHL

5h 38m

1 stop

$188JetBlue

Wed, Apr 15 - Wed, Apr 22

8:25 am - 3:42 pm

PHL

DCA

7h 17m

1 stop

10:00 am - 5:38 pm

DCA

PHL

7h 38m

1 stop

$199JetBlue

Tue, Apr 28 - Tue, May 5

3:20 pm - 4:40 pm

PHL

DCA

1h 20mnonstop

1:45 pm - 3:00 pm

DCA

PHL

1h 15mnonstop

$218American Airlines

Tue, Apr 28 - Tue, May 5

3:20 pm - 4:42 pm

PHL

DCA

1h 22mnonstop

1:45 pm - 3:00 pm

DCA

PHL

1h 15mnonstop

$219American Airlines

Wed, Apr 15 - Wed, Apr 22

10:32 am - 11:48 am

PHL

IAD

1h 16mnonstop

12:55 pm - 2:10 pm

IAD

PHL

1h 15mnonstop

$239United Airlines

Fri, May 22 - Sun, May 24

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

Our best United Airlines deals on Philadelphia to Washington, D.C. flight tickets

United Airlines

May 22

PHL10:32 amPhiladelphia

1h 16m

IAD11:48 amWashington, D.C. Dulles Intl

May 24

IAD12:55 pmWashington, D.C. Dulles Intl

1h 15m

PHL2:10 pmPhiladelphia

$239

United Airlines

Mar 31

PHL7:45 pmPhiladelphia

1h 10m

IAD8:55 pmWashington, D.C. Dulles Intl

Apr 4

IAD5:35 pmWashington, D.C. Dulles Intl

1h 20m

PHL6:55 pmPhiladelphia

$269

United Airlines

Mar 27

PHL2:52 pmPhiladelphia

1h 13m

IAD4:05 pmWashington, D.C. Dulles Intl

Mar 30

IAD8:30 amWashington, D.C. Dulles Intl

1h 20m

PHL9:50 amPhiladelphia

$284

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

Our best American Airlines deals on Philadelphia to Washington, D.C. flight tickets

American Airlines

Apr 28

PHL3:20 pmPhiladelphia

1h 20m

DCA4:40 pmWashington, D.C. Reagan-National

May 5

DCA1:45 pmWashington, D.C. Reagan-National

1h 15m

PHL3:00 pmPhiladelphia

$218

American Airlines

Apr 15

PHL3:20 pmPhiladelphia

1h 22m

DCA4:42 pmWashington, D.C. Reagan-National

Apr 22

DCA1:45 pmWashington, D.C. Reagan-National

1h 15m

PHL3:00 pmPhiladelphia

$219

American Airlines

Apr 17

PHL3:20 pmPhiladelphia

1h 22m

DCA4:42 pmWashington, D.C. Reagan-National

Apr 22

DCA1:45 pmWashington, D.C. Reagan-National

1h 15m

PHL3:00 pmPhiladelphia

$239

momondo Fare Finder

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

Cheapest round-trip

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Wed 4/22

6:12 pm-9:17 am

1 stop15h 05m

Baltimore/Washington

Mon 4/27

9:21 pm-9:49 am

1 stop12h 28m

$148

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Fri 4/24

6:12 pm-8:43 am

1 stop14h 31m

Baltimore/Washington

Mon 4/27

9:21 pm-9:49 am

1 stop12h 28m

$160

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Wed 4/8

5:32 pm-8:28 am

1 stop14h 56m

Baltimore/Washington

Thu 5/7

7:27 pm-12:45 am

1 stop29h 18m

$170

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Wed 4/15

6:05 am-8:20 am

1 stop26h 15m

Baltimore/Washington

Wed 4/22

10:10 am-11:37 pm

1 stop13h 27m

$179

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Fri 5/1

4:15 pm-8:43 am

1 stop16h 28m

Baltimore/Washington

Fri 5/8

7:27 pm-12:45 am

1 stop29h 18m

$186

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Wed 4/15

6:00 am-1:33 pm

1 stop7h 33m

Washington, D.C. Reagan-National

Wed 4/22

12:00 pm-5:38 pm

1 stop5h 38m

$188

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Tue 4/28

8:25 am-3:42 pm

1 stop7h 17m

Washington, D.C. Reagan-National

Tue 5/5

10:00 am-5:38 pm

1 stop7h 38m

$199

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Tue 4/28

3:20 pm-4:40 pm

Nonstop1h 20m

Washington, D.C. Reagan-National

Tue 5/5

1:45 pm-3:00 pm

Nonstop1h 15m

$218

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Wed 4/15

3:20 pm-4:42 pm

Nonstop1h 22m

Washington, D.C. Reagan-National

Wed 4/22

1:45 pm-3:00 pm

Nonstop1h 15m

$219

Quickest round-trip

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Fri 5/22

10:32 am-11:48 am

Nonstop1h 16m

Washington, D.C. Dulles Intl

Sun 5/24

12:55 pm-2:10 pm

Nonstop1h 15m

$239

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $648. 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 $842.

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 $657. 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 $1,077. 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 64% 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	$317
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 $317. The best round-trip flight deal from Philadelphia to Washington, D.C. found on momondo in the last 72 hours is $248.

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 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 $148, or consider a bus from Philadelphia to Washington, D.C. starting at $39. 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.?
As of March 2026, there are 2 operators available to choose from 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.?
Based on momondo bookings for flights between Philadelphia and Washington, D.C., the leading plane model is Airbus A321neo, making up 13.62% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet 900 with 6.10%, Airbus A319 with 5.40%, and Boeing 787-9 Dreamliner with 5.40%.
What is the most popular airline from Philadelphia to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Philadelphia to Washington, D.C. is United Airlines (54% of total bookings). The next most popular airline is American Airlines (46%).

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 Airlines	PriceFrom $179	Free Cancellation	Rating 7.1 11,472 reviews		Search American Airlines flights
United Airlines	PriceFrom $189	Free Cancellation	Rating 7.4 9,439 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 14 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 $399. 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 (7.1/10, 11,472 ratings). American Airlines flies from Philadelphia to Washington, D.C. around 11 times per week, with deals starting from $179 round-trip and rising to an average price of around $219.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Colonial Beach

Laurel

Towson

Gaithersburg

Silver Spring

Fredericksburg

Rockville

Tysons

Manassas

Springfield

Linthicum Heights

Bethesda

Fairfax

Reston

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

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Washington, D.C. Dulles Intl Airport

Cheap flights from Philadelphia to Washington, D.C. 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 Philadelphia to Washington, D.C. departing on 4/24. 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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United Airlines flights from Philadelphia to Washington, D.C.

Our best United Airlines deals on Philadelphia to Washington, D.C. flight tickets

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Use the filters below to find and compare flights from Philadelphia to Washington, D.C. that are best for you.

See travel insights to Washington, D.C. from

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

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

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

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

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

Can stopping save me money on Philadelphia to Washington, D.C. flights?

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

What is the cheapest airline that flies from Philadelphia to Washington, D.C.?

What airlines fly to Washington, D.C.?

How many flights depart from Philadelphia to Washington, D.C. on average per day?

How many flights depart from Philadelphia to Washington, D.C. on average per week?

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

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

Fastest flight time

Direct flights

Airports in 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

United Airlines Flights From Philadelphia to Washington, D.C.

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

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

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

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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.

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Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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