Fly to

Route

Depart

Return

Price

Cheapest return flight

PhiladelphiaSeattle

PHL Philadelphia - SEA Seattle/Tacoma Intl

PHLSEA

Philadelphia

Sun 28/2

17:56-21:05

Nonstop6h 09m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

฿7,232

PhiladelphiaSeattle

PHL Philadelphia - SEA Seattle/Tacoma Intl

PHLSEA

Philadelphia

Sun 8/11

07:02-10:08

Nonstop6h 06m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

฿7,232

PhiladelphiaSeattle

PHL Philadelphia - SEA Seattle/Tacoma Intl

PHLSEA

Philadelphia

Mon 7/12

07:00-10:01

Nonstop6h 01m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

฿7,232

PhiladelphiaSeattle

PHL Philadelphia - SEA Seattle/Tacoma Intl

PHLSEA

Philadelphia

Thu 3/12

17:56-21:05

Nonstop6h 09m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

฿7,232

Fastest return journey

PhiladelphiaSeattle

PHL Philadelphia - SEA Seattle/Tacoma Intl

PHLSEA

Philadelphia

Mon 5/10

18:41-21:41

Nonstop6h 00m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

฿7,232

PhiladelphiaSeattle

PHL Philadelphia - SEA Seattle/Tacoma Intl

PHLSEA

Philadelphia

Wed 4/11

07:02-10:08

Nonstop6h 06m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

฿7,232

PhiladelphiaSeattle

PHL Philadelphia - SEA Seattle/Tacoma Intl

PHLSEA

Philadelphia

Wed 2/12

07:00-10:01

Nonstop6h 01m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

฿7,232

PhiladelphiaSeattle

PHL Philadelphia - SEA Seattle/Tacoma Intl

PHLSEA

Philadelphia

Thu 4/3

17:56-21:05

Nonstop6h 09m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

฿7,232

PhiladelphiaSeattle

PHL Philadelphia - SEA Seattle/Tacoma Intl

PHLSEA

Philadelphia

Mon 9/11

07:02-10:08

Nonstop6h 06m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

฿7,232

PhiladelphiaSeattle

PHL Philadelphia - SEA Seattle/Tacoma Intl

PHLSEA

Philadelphia

Tue 3/11

07:02-10:08

Nonstop6h 06m

Seattle/Tacoma Intl

Wed 31/12

00:00-03:00

Nonstop0h 00m

฿7,232

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Showing 1-10 of 22 resultsSorted by cheapest first

Best time to book a flight from Philadelphia

Have a flexible travel schedule? Discover the best time to fly from Philadelphia with our price prediction graph.

PHL-BKK

PHL-SEA

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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Direct flights from Pennsylvania

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This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

Find direct flights from Philadelphia within your budget

Best time to book a flight from Philadelphia

Have a flexible travel schedule? Discover the best time to fly from Philadelphia with our price prediction graph.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights from Pennsylvania cities

Book a direc flight from one of these other cities located in Pennsylvania.

Direct flights from North America cities

Book a direct flight from one of these popular origins located in North America.

Direct flights from United States

Book a direct flight from one of these popular origins located in United States.

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฿7,199+ Direct flights from Philadelphia

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

Find direct flights from Philadelphia within your budget

Best time to book a flight from Philadelphia

Have a flexible travel schedule? Discover the best time to fly from Philadelphia with our price prediction graph.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights from Pennsylvania cities

Book a direc flight from one of these other cities located in Pennsylvania.

Direct flights from North America cities

Book a direct flight from one of these popular origins located in North America.

Direct flights from United States

Book a direct flight from one of these popular origins located in United States.

100% Free

Book With Flexibility

Travel Smart