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>

$124 CHEAP FLIGHTS from Washington to Philadelphia

PHL

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Cheap Flights from Washington to Philadelphia

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Philadelphia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Wed, Sep 24 - Sat, Sep 27

2:35 pm - 5:32 amPDX-PHL

11h 57m1 stop

6:30 am - 1:30 pmPHL-PDX

10h 00m1 stop

$247Spirit Airlines

Find Deal

Thu, Sep 18 - Sun, Sep 21

4:58 pm - 5:32 amSEA-PHL

9h 34m1 stop

6:30 am - 3:53 pmPHL-SEA

12h 23m1 stop

$255Spirit Airlines

Find Deal

Tue, Jul 1 - Fri, Jul 4

12:20 am - 10:47 amSEA-PHL

7h 27m1 stop

12:19 pm - 6:58 pmPHL-SEA

9h 39m1 stop

$257United Airlines

Find Deal

Tue, Nov 4 - Wed, Nov 12

1:24 am - 3:09 pmSEA-PHL

10h 45m1 stop

6:35 pm - 9:49 pmPHL-SEA

6h 14mnonstop

$266American Airlines

Find Deal

Thu, Aug 7 - Fri, Aug 15

3:11 pm - 5:49 amSEA-PHL

11h 38m1 stop

7:19 am - 2:06 pmPHL-SEA

9h 47m1 stop

$270Frontier

Find Deal

Tue, Sep 9 - Thu, Sep 18

9:45 pm - 6:00 amSEA-PHL

5h 15mnonstop

6:58 pm - 10:00 pmPHL-SEA

6h 02mnonstop

$277Alaska Airlines

Find Deal

Fri, Aug 8 - Fri, Aug 15

3:11 pm - 5:49 amSEA-PHL

11h 38m1 stop

7:19 am - 2:06 pmPHL-SEA

9h 47m1 stop

$280Frontier

Find Deal

Thu, Sep 18 - Sun, Sep 21

11:05 pm - 7:09 amSEA-PHL

5h 04mnonstop

9:05 am - 12:05 pmPHL-SEA

6h 00mnonstop

$286American Airlines

Find Deal

Thu, Aug 7 - Thu, Aug 14

11:59 pm - 10:47 amPDX-PHL

7h 48m1 stop

12:58 pm - 7:19 pmPHL-PDX

9h 21m1 stop

$292United Airlines

Find Deal

Wed, Nov 5 - Mon, Nov 10

2:30 pm - 5:40 amPDX-PHL

12h 10m1 stop

6:55 pm - 11:58 pmPHL-PDX

8h 03m1 stop

$296Alaska Airlines

Find Deal

Useful Info

Low season	January
High season	July
Cheapest flight	$124

Best time to beat the crowds but there is an average 1% increase in price.

Most popular time to fly and prices are also 7% lower on average.

Flight from Seattle 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.

Newark

Everything you need to know for your flight to Philadelphia

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Philadelphia

Philadelphia (PHL)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

PHL

$124 Find Cheap Flights from Washington to Philadelphia

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

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