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

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

What airlines fly to Philadelphia?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Philadelphia from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 5 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Philadelphia?

If you’re flying from a popular airport in Washington, D.C., such as Washington, D.C. or Baltimore, and flying into Philadelphia, then you can expect flight times to average 1h 17m and 4h 22m, respectively.

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

As of January 2026, there are 94 flights per week flying from Washington, D.C. to Philadelphia. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

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

As of January 2026, 13 flights take off from Washington, D.C. and land in Philadelphia each day. The most common flight departure time for this route is 5:00PM, with 83% of daily flights taking off in the afternoon.

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

A train from Washington, D.C. to Philadelphia is currently going to be the least expensive option currently available. You can also find deals for a flight from Washington, D.C. to Philadelphia starting at $133, or consider a bus from Washington, D.C. to Philadelphia starting at $50. Both of these alternative options are worth considering when looking to reach your destination.

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

Prices for flights from Washington, D.C. to Philadelphia Airport are refreshed on a daily basis.

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

The number of operators available for flights from Washington, D.C. to Philadelphia Airport is 2 as of January 2026.

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

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 Washington, D.C. to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The travel and health documents required for your trip to Philadelphia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$53 Cheap Flights from Washington, D.C. to Philadelphia in 2026

Q: What is the typical price of a round-trip flight between Washington, D.C. and Philadelphia?

Prices are currently low for flights on this route. Typical prices usually range from $421 to $525. The lowest price recently found on this route was $133.

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Find the cheapest flights from Washington, D.C. to Philadelphia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:08 pm - 1:01 am

BWI

PHL

6h 53m

1 stop

12:38 pm - 12:31 am

PHL

BWI

11h 53m

1 stop

$133Frontier

vie., feb. 27 - lun., mar. 2

10:29 am - 6:11 pm

IAD

PHL

7h 42m

1 stop

5:30 am - 4:08 pm

PHL

IAD

10h 38m

1 stop

$133Frontier

sáb., feb. 28 - lun., mar. 2

6:20 am - 2:56 pm

BWI

PHL

8h 36m

1 stop

6:40 pm - 12:31 am

PHL

BWI

5h 51m

1 stop

$134Multiple Airlines

mar., mar. 3 - mar., mar. 3

11:37 am - 5:56 pm

IAD

PHL

6h 19m

1 stop

6:45 pm - 4:43 pm

PHL

IAD

21h 58m

1 stop

$135Frontier

sáb., feb. 14 - mié., feb. 18

12:30 pm - 12:21 am

BWI

PHL

11h 51m

1 stop

7:18 pm - 5:13 pm

PHL

BWI

21h 55m

1 stop

$137Multiple Airlines

sáb., feb. 28 - lun., mar. 2

6:00 am - 5:56 pm

BWI

PHL

11h 56m

1 stop

6:40 pm - 12:31 am

PHL

BWI

5h 51m

1 stop

$142Frontier

sáb., feb. 14 - mié., feb. 25

7:00 am - 2:07 pm

DCA

PHL

7h 07m

1 stop

6:00 am - 12:59 pm

PHL

DCA

6h 59m

1 stop

$151JetBlue

sáb., feb. 28 - lun., mar. 2

1:44 pm - 2:50 pm

DCA

PHL

1h 06mnonstop

3:35 pm - 4:50 pm

PHL

DCA

1h 15mnonstop

$179American Airlines

jue., feb. 5 - dom., feb. 8

7:00 am - 12:35 pm

DCA

PHL

5h 35m

1 stop

8:40 am - 1:20 pm

PHL

DCA

4h 40m

1 stop

$181JetBlue

jue., feb. 5 - dom., feb. 8

2:16 pm - 3:26 pm

DCA

PHL

1h 10mnonstop

7:25 pm - 8:43 pm

PHL

DCA

1h 18mnonstop

$199American Airlines

jue., feb. 12 - jue., feb. 19

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

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

Spirit Airlines

Jan 21

BWI11:30 amBaltimore/Washington

10h 33m

1 stop

PHL10:03 pmPhiladelphia

Feb 3

PHL3:00 pmPhiladelphia

7h 53m

1 stop

BWI10:53 pmBaltimore/Washington

$155

Spirit Airlines

Feb 28

BWI4:45 pmBaltimore/Washington

6h 31m

1 stop

PHL11:16 pmPhiladelphia

Mar 2

PHL5:30 amPhiladelphia

5h 47m

1 stop

BWI11:17 amBaltimore/Washington

$187

Spirit Airlines

Feb 5

BWI9:36 amBaltimore/Washington

10h 25m

1 stop

PHL8:01 pmPhiladelphia

Feb 8

PHL6:18 pmPhiladelphia

14h 13m

1 stop

BWI8:31 amBaltimore/Washington

$189

Frontier flights from Washington, D.C. to Philadelphia

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

Frontier

Feb 27

BWI6:08 pmBaltimore/Washington

6h 53m

1 stop

PHL1:01 amPhiladelphia

Mar 2

PHL12:38 pmPhiladelphia

11h 53m

1 stop

BWI12:31 amBaltimore/Washington

$133

Frontier

Feb 14

IAD11:37 amWashington, D.C. Dulles Intl

6h 19m

1 stop

PHL5:56 pmPhiladelphia

Feb 18

PHL6:45 pmPhiladelphia

21h 58m

1 stop

IAD4:43 pmWashington, D.C. Dulles Intl

$135

Frontier

Feb 14

BWI6:00 amBaltimore/Washington

11h 56m

1 stop

PHL5:56 pmPhiladelphia

Feb 25

PHL6:40 pmPhiladelphia

5h 51m

1 stop

BWI12:31 amBaltimore/Washington

$142

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

vie. 2/27

6:08 pm-1:01 am

1 stop6h 53m

Philadelphia

lun. 3/2

12:38 pm-12:31 am

1 stop11h 53m

$133

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

sáb. 2/28

10:29 am-6:11 pm

1 stop7h 42m

Philadelphia

lun. 3/2

5:30 am-4:08 pm

1 stop10h 38m

$133

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

mar. 3/3

6:20 am-2:56 pm

1 stop8h 36m

Philadelphia

mar. 3/3

6:40 pm-12:31 am

1 stop5h 51m

$134

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

sáb. 2/14

11:37 am-5:56 pm

1 stop6h 19m

Philadelphia

mié. 2/18

6:45 pm-4:43 pm

1 stop21h 58m

$135

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

sáb. 2/28

12:30 pm-12:21 am

1 stop11h 51m

Philadelphia

lun. 3/2

7:18 pm-5:13 pm

1 stop21h 55m

$137

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

sáb. 2/14

6:00 am-5:56 pm

1 stop11h 56m

Philadelphia

mié. 2/25

6:40 pm-12:31 am

1 stop5h 51m

$142

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

sáb. 2/28

7:00 am-2:07 pm

1 stop7h 07m

Philadelphia

lun. 3/2

6:00 am-12:59 pm

1 stop6h 59m

$151

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

jue. 2/5

1:44 pm-2:50 pm

Nonstop1h 06m

Philadelphia

dom. 2/8

3:35 pm-4:50 pm

Nonstop1h 15m

$179

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

jue. 2/5

7:00 am-12:35 pm

1 stop5h 35m

Philadelphia

dom. 2/8

8:40 am-1:20 pm

1 stop4h 40m

$181

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

jue. 2/12

2:16 pm-3:26 pm

Nonstop1h 10m

Philadelphia

jue. 2/19

7:25 pm-8:43 pm

Nonstop1h 18m

$199

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 Washington, D.C. to Philadelphia

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 typical price of a round-trip flight between Washington, D.C. and Philadelphia?

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Washington, D.C. to Philadelphia is on a Friday. Travelers who choose to depart for Philadelphia on a Friday will often find tickets for as low as $527. On the other hand, Sunday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $699.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is at noon. momondo users have found flights departing from Washington, D.C. to Philadelphia at noon for as low as $491. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the afternoon when prices are around $792.

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

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

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

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

You could potentially save up to 57% on your flight if you consider stops on a Washington, D.C. to Philadelphia flight.

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

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Philadelphia according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Philadelphia (WAS to PHL) flight deals and tips

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

Best Price Found	$203
Fastest flight time	1h 06m
Direct flights	Every day
Airports in Philadelphia	1 airport

The best one-way flight to Philadelphia from Washington, D.C. in the past 72 hours is $203. The best round-trip flight deal from Washington, D.C. to Philadelphia found on momondo in the last 72 hours is $319.

The fastest flight from Washington, D.C. to Philadelphia takes 1h 06m

Direct flights go from Washington, D.C. to Philadelphia every day.

There is 1 airport in Philadelphia. From Washington, D.C. there are direct flights to Philadelphia (PHL).

Search flight deals

Is flying the cheapest way to get from Washington, D.C. to Philadelphia?
A train from Washington, D.C. to Philadelphia is currently going to be the least expensive option currently available. You can also find deals for a flight from Washington, D.C. to Philadelphia starting at $133, or consider a bus from Washington, D.C. to Philadelphia starting at $50. Both of these alternative options are worth considering when looking to reach your destination.
How far is Washington, D.C. to Philadelphia by plane?
There are 123.7 mi between Washington, D.C. and Philadelphia. A reasonable flight in good conditions will take 1h 06m.
When did momondo last update prices for flights from Washington, D.C. to Philadelphia Airport?
Prices for flights from Washington, D.C. to Philadelphia Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Philadelphia Airport?
The number of operators available for flights from Washington, D.C. to Philadelphia Airport is 2 as of January 2026.
How old do you have to be to fly from Washington, D.C. to Philadelphia Airport?
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 Washington, D.C. to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The travel and health documents required for your trip to Philadelphia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Washington, D.C. to Philadelphia?
Based on momondo bookings for flights between Washington, D.C. and Philadelphia, the leading plane model is Airbus A321neo, making up 9.43% of the total bookings. Other popular models include Boeing 737 MAX 8 with 5.45%, Boeing 737-900 with 4.82%, and Canadair (Bombardier) Regional Jet 900 with 4.40%.
What is the most popular airline from Washington, D.C. to Philadelphia?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. to Philadelphia is American Airlines, representing 62% of all bookings. The subsequent popular airline is United Airlines at 38%.

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

Compare and see reviews for airlines that fly from Washington, D.C. to Philadelphia with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $179	Free Cancellation	Rating 7.2 11,136 reviews		Search American Airlines flights
United Airlines	PriceFrom $179	Free Cancellation	Rating 7.4 9,164 reviews		Search United Airlines flights

United Airlines Flights From Washington, D.C. to Philadelphia
United Airlines flies from Washington, D.C. to Philadelphia around 15 times per week, with 9,163 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Washington, D.C. to Philadelphia in the last 72 hours was $179 (round-trip), much lower than the average airfare cost of $413 for United Airlines flights on this route.
American Airlines Flights From Washington, D.C. to Philadelphia
American Airlines (7.2/10 from 11,129 reviews) operates around 13 flights from Washington, D.C. to Philadelphia in any given week. The average American Airlines airfare for this route is around $437, with deals from around $179 rare but found on momondo. Referenced prices are for round-trip Washington, D.C. to Philadelphia flight searches in the last 72 hours.

Wildwood

Cape May

Rehoboth Beach

Wildwood Crest

Ocean City

King of Prussia

Cherry Hill

Newark

Dewey Beach

Reading

North Wildwood

Avalon

Dover

Lewes

Stone Harbor

Essington

Vineland

New Castle

Pottstown

Elkton

Why use momondo?

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

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

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Philadelphia from Washington, D.C..

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

If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from Washington, D.C. and alert you when they change.

An easier way to manage your Philadelphia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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sáb. 2/14

sáb. 2/21

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Cheap flights from Washington, D.C. to Philadelphia from $53

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Philadelphia departing on 1/28. 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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Filter for what you want

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

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

Frontier flights from Washington, D.C. to Philadelphia

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

momondo Fare Finder

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

See travel insights to Philadelphia from

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

What is the typical price of a round-trip flight between Washington, D.C. and Philadelphia?

What is the cheapest day to depart on your flight to Philadelphia?

What is the cheapest time of day to depart on your flight to Philadelphia?

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

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

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

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

You could potentially save up to 57% on your flight if you consider stops on a Washington, D.C. to Philadelphia flight.

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

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

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

What airlines fly to Philadelphia?

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

As of January 2026, 13 flights take off from Washington, D.C. and land in Philadelphia each day. The most common flight departure time for this route is 5:00PM, with 83% of daily flights taking off in the afternoon.

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

As of January 2026, there are 94 flights per week flying from Washington, D.C. to Philadelphia. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.

How long does it take to fly to Philadelphia?

If you’re flying from a popular airport in Washington, D.C., such as Washington, D.C. or Baltimore, and flying into Philadelphia, then you can expect flight times to average 1h 17m and 4h 22m, respectively.

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

Cheap Washington, D.C. to Philadelphia (WAS to PHL) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Philadelphia

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

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

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

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

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

What documentation or ID do you need to fly to Philadelphia Airport?

What is the most popular plane model from Washington, D.C. to Philadelphia?

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

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

Compare and see reviews for airlines that fly from Washington, D.C. to Philadelphia with momondo

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

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

Traveling to a place near Philadelphia?

Why use momondo?

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

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

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

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

An easier way to manage your Philadelphia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Pennsylvania