Find Cheap Flights from Washington, D.C. to Philadelphia (WAS - PHL)

Flights overview

Useful information for finding cheap flights from Washington, D.C. to Philadelphia and booking your next trip

Cheapest round-trip flights	$234	JetBlue 1 stop 8 hr Sat, May 23 — Sun, May 24	The cheapest round-trip flight from Washington, D.C. to Philadelphia is currently $234
Cheapest one-way flight	$111	JetBlue 1 stop 8 hr Wed, May 27	The cheapest one-way flight from Washington, D.C. to Philadelphia is currently $111
Cheapest nonstop flights	$239	United Nonstop 2 hr Thu, May 21 — Sun, May 24	The cheapest nonstop round-trip flight from Washington, D.C. to Philadelphia is currently $239
Last-minute weekend getaway	$319	United Nonstop 2 hr Thu, Apr 23 — Sun, Apr 26	The cheapest last-minute weekend getaway from Washington, D.C. to Philadelphia is currently $319
Cheapest business class flights	$399	United Nonstop 2 hr Thu, May 21 — Sun, May 24	The cheapest business class round-trip flight from Washington, D.C. to Philadelphia is currently $399

Fastest flight	1 hr 4 min	The fastest nonstop flight from Washington, D.C. to Philadelphia takes 1 hr 4 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Washington, D.C. to Philadelphia is typically September. The most expensive month to fly is typically April.

September Cheapest	Typical prices: $140–200
April Most expensive	Typical prices: $195–300

Popular airlines from Washington, D.C. to Philadelphia

American

Nonstop

from $269

Typical price: $175–295

14 weekly nonstop flights

DCA - PHL Every day

2298 weekly connecting flights

BWI, DCA, IAD - PHL Every day
United

Nonstop

from $239

Typical price: $175–285

18 weekly nonstop flights

IAD - PHL Every day

277 weekly connecting flights

BWI, DCA, IAD - PHL Every day
Southwest

from $318

Typical price: $255–465

528 weekly connecting flights

BWI, DCA, IAD - PHL Every day
Frontier

Typical price: $140–285

110 weekly connecting flights

BWI, DCA, IAD - PHL Every day
JetBlue

from $249

Typical price: $225–630

68 weekly connecting flights

DCA - PHL Every day
Spirit

from $385

Typical price: $245–630

21 weekly connecting flights

BWI - PHL Every day

Popular airports near Washington, D.C.

Ronald Reagan Washington National Airport (DCA)

Washington United States 17 min 4 mi
Dulles International Airport (IAD)

Washington United States 54 min 22 mi
Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)

Baltimore United States 48 min 27 mi
Philadelphia International Airport (PHL)

Philadelphia United States 2 hr 19 min 116 mi

Popular airports near Philadelphia

Philadelphia International Airport (PHL)

Philadelphia United States 19 min 7 mi
John F. Kennedy International Airport (JFK)

New York United States 1 hr 54 min 87 mi
Newark Liberty International Airport (EWR)

Newark United States 1 hr 27 min 73 mi
LaGuardia Airport (LGA)

New York United States 1 hr 57 min 88 mi

Frequently asked questions about flying from Washington, D.C. to Philadelphia

The cheapest flights from Washington, D.C. to Philadelphia are usually in September. Typical ticket prices in September range from $140 to $200.

The cheapest round-trip flight from Washington, D.C. to Philadelphia recently found on Google Flights was with JetBlue from $234. The cheapest one-way flight was with JetBlue from $111.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest American flight from Washington, D.C. to Philadelphia is $269, flying from May 1 to May 3.
The cheapest United flight from Washington, D.C. to Philadelphia is $239, flying from May 21 to May 24.
The cheapest Southwest flight from Washington, D.C. to Philadelphia is $318, flying from May 9 to May 11.
The cheapest JetBlue flight from Washington, D.C. to Philadelphia is $249, flying from May 7 to May 11.
The cheapest Spirit flight from Washington, D.C. to Philadelphia is $385, flying from May 2 to May 3.

The cheapest round-trip flight from Washington, D.C. to Philadelphia starts at $234 from Sat, May 23 to Sun, May 24. The cheapest one-way flight starts at $111 and departs on Wed, May 27.

1 hr 4 min is the shortest flight time from Washington, D.C. to Philadelphia.

Philadelphia's peak travel season is May–Aug. Big events include the New Year's Day Mummers Parade, with costumes and bands; the Philadelphia Flower Show (Mar), a renowned horticultural event founded in 1829; the Welcome America festival, which features concerts and fireworks (Jun–Jul); the multi-week Fringe Festival (Sep), with dance, theater and music performances throughout the city; and the Philadelphia Marathon (Nov).

It's easy to use Google Flights to find the cheapest days to fly from Washington, D.C. to Philadelphia.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Washington, D.C. to Philadelphia really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Washington, D.C. to Philadelphia.

In terms of nonstop flights, United is the most popular. United offers 18 nonstop flights and 277 connecting flights per week. United flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Philadelphia International Airport (PHL) .

In terms of flights, American is the most popular. American offers 14 nonstop flights and 2,298 connecting flights per week. American flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Philadelphia International Airport (PHL) .

Other popular airlines flying from Washington, D.C. to Philadelphia are:

Southwest offers 528 connecting flights per week. Southwest flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Philadelphia International Airport (PHL) .
Frontier offers 110 connecting flights per week. Frontier flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Philadelphia International Airport (PHL) .
JetBlue offers 68 connecting flights per week. JetBlue flies from Ronald Reagan Washington National Airport (DCA) to Philadelphia International Airport (PHL) .
Spirit offers 21 connecting flights per week. Spirit flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) to Philadelphia International Airport (PHL) .

The number of connecting flights refers to distinct flights with at least one stop between Washington, D.C. and Philadelphia.

The cheapest round-trip flight from Washington, D.C. to Philadelphia recently found on Google Flights was with JetBlue from $234. The cheapest one-way flight was with JetBlue from $111.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest American flight from Washington, D.C. to Philadelphia is $269, flying from May 1 to May 3.
The cheapest United flight from Washington, D.C. to Philadelphia is $239, flying from May 21 to May 24.
The cheapest Southwest flight from Washington, D.C. to Philadelphia is $318, flying from May 9 to May 11.
The cheapest JetBlue flight from Washington, D.C. to Philadelphia is $249, flying from May 7 to May 11.
The cheapest Spirit flight from Washington, D.C. to Philadelphia is $385, flying from May 2 to May 3.

American and United fly direct from Washington, D.C. to Philadelphia.

There are 14 American direct flights from Washington, D.C. to Philadelphia per week. Flights are available every day.
There are 18 United direct flights from Washington, D.C. to Philadelphia per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Washington, D.C. and Philadelphia at price $319 is offered by United from Thu, Apr 23 to Sun, Apr 26.

American and United fly direct from Washington, D.C. to Philadelphia.

There are 14 American direct flights from Washington, D.C. to Philadelphia per week. Flights are available every day.
There are 18 United direct flights from Washington, D.C. to Philadelphia per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Washington, D.C. to Philadelphia on a daily basis.

The cheapest direct (nonstop) round-trip flights between Washington, D.C. and Philadelphia start at $239 from Thu, May 21 to Sun, May 24 with United.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Washington, D.C. to Philadelphia, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Washington, D.C. and Philadelphia start at $399 from Thu, May 21 to Sun, May 24 with United.

The cheapest economy class round-trip flights between Washington, D.C. and Philadelphia start at $234 from Sat, May 23 to Sun, May 24.

To book business class trips from Washington, D.C. to Philadelphia, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Washington, D.C. and Philadelphia starts at $319 from Thu, Apr 23 to Sun, Apr 26 with United.

The cheapest last-minute deal between Washington, D.C. and Philadelphia at price $319 is offered by United from Thu, Apr 23 to Sun, Apr 26.

To find last-minute flight deals from Washington, D.C. to Philadelphia, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.