How does KAYAK find such low prices on flights from Washington to Philadelphia?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Philadelphia. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Philadelphia?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington to Philadelphia?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Philadelphia with an airline and back to Washington with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Philadelphia?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$97 CHEAP FLIGHTS from Washington to Philadelphia

PHL

KAYAK searches hundreds of travel sites at once for deals on flights to Philadelphia

...and more

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Cheapest round-trip

$241

Overall average: $387

Frontier

Thu 3/12Tue 3/17

SEA - PHL • 1 stop

Cheapest non-stop

$276

Typical prices: $297-$767

American Airlines

Sat 2/21Fri 2/27

SEA - PHL • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Philadelphia!

Flight Deals

Cheap Flights from Washington to Philadelphia

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Washington to Philadelphia

Thu, Mar 12 - Tue, Mar 17

12:24 pm - 5:31 am

SEA

PHL

14h 07m

1 stop

6:12 pm - 11:19 am

PHL

SEA

44h 07m

2 stops

$241Frontier

Mon, Mar 2 - Thu, Mar 5

12:30 pm - 10:27 am

SEA

PHL

18h 57m

2 stops

5:47 pm - 11:19 am

PHL

SEA

20h 32m

1 stop

$249Frontier

Thu, Feb 26 - Sun, Mar 1

1:16 pm - 5:55 pm

SEA

PHL

25h 39m

1 stop

5:47 pm - 11:19 am

PHL

SEA

20h 32m

1 stop

$250Frontier

Tue, Apr 28 - Tue, May 5

5:13 pm - 5:35 am

PSC

PHL

9h 22m

1 stop

6:54 pm - 11:39 pm

PHL

PSC

7h 45m

1 stop

$257Delta

Sat, Feb 28 - Sat, Mar 7

12:48 pm - 12:24 am

GEG

PHL

8h 36m

1 stop

5:31 am - 11:35 am

PHL

GEG

9h 04m

1 stop

$257Delta

Tue, Apr 28 - Mon, May 4

6:57 pm - 5:34 am

SEA

PHL

7h 37m

1 stop

6:58 pm - 10:02 pm

PHL

SEA

6h 04mnonstop

$259Multiple Airlines

Thu, Apr 16 - Tue, Apr 28

7:00 am - 12:45 am

GEG

PHL

14h 45m

2 stops

3:40 pm - 9:11 pm

PHL

GEG

8h 31m

1 stop

$326United Airlines

Mon, Mar 2 - Wed, Mar 4

7:10 am - 10:15 pm

PDX

PHL

12h 05m

2 stops

5:40 am - 1:35 pm

PHL

PDX

10h 55m

2 stops

$327Southwest

Sat, Feb 28 - Sat, Mar 7

7:00 am - 5:14 pm

GEG

PHL

7h 14m

1 stop

9:55 am - 9:18 pm

PHL

GEG

14h 23m

2 stops

$329United Airlines

Tue, Mar 17 - Tue, Mar 24

9:30 am - 10:40 pm

PDX

PHL

10h 10m

2 stops

7:45 am - 12:50 pm

PHL

PDX

8h 05m

1 stop

$332Southwest

Useful Info

Low season	January
High season	June
Cheapest flight	$97

Most popular time to fly with an average 1% increase in price.

Flight from Portland to Philadelphia

How does KAYAK find such low prices on flights from Washington to Philadelphia?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Philadelphia.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Philadelphia?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to Philadelphia?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Philadelphia with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Philadelphia?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Wildwood Crest

Newark

North Wildwood

Vineland

Essington

West Chester

Elkton

Pottstown

Willow Grove

Kennett Square

Voorhees

Somers Point

Middletown

Wyomissing

Glen Mills

Phoenixville

Bird in Hand

Blackwood

Strasburg

Millville

Everything you need to know for your flight to Philadelphia

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Complete your trip

Direct Flights

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Origins

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Return flight deals

Information on the airport you'll fly into in Philadelphia

Philadelphia (PHL)

PHL

$97 Find Cheap Flights from Washington to Philadelphia

KAYAK searches hundreds of travel sites at once for deals on flights to Philadelphia

Everything you should know

Cheap Flights from Washington to Philadelphia

Recent round-trip flight deals from Washington to Philadelphia

Recent one-way flight deals from Washington to Philadelphia

Recent last minute flight deals from Washington to Philadelphia

Recent direct flight deals from Washington to Philadelphia

Good to know

FAQs for booking flights from Washington to Philadelphia

How does KAYAK find such low prices on flights from Washington to Philadelphia?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Philadelphia.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Philadelphia?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Philadelphia from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington to Philadelphia?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Philadelphia with an airline and back to Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Philadelphia?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Philadelphia from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Philadelphia?

Everything you need to know for your flight to Philadelphia

Information on the airport you'll fly into in Philadelphia

Cabin class types available on flights to Washington

Complete your trip to Philadelphia with a hotel stay or car rental

Find direct flights for Philadelphia

Flights to other popular destinations

Flights from domestic origins to Philadelphia

Choose which airport to fly into in Philadelphia

Find deals for your return flight