¥18,400 Cheap Flights from Seattle (SEA) to Philadelphia (PHL)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Philadelphia Intl. Airport (PHL)

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Cheap Flights from Seattle to Philadelphia (SEA-PHL)

Prices were available within the past 7 days and start at ¥18,400 for one-way flights and ¥38,340 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
Delta
Delta
American Airlines
American Airlines
American Airlines
American Airlines
American Airlines
United

Find the cheapest month to fly from Seattle (SEA) to Philadelphia (PHL)

March is typically the cheapest month to fly

From ¥21,332 - ¥61,702 per traveler.

Frequently asked questions

How much is a flight from SEA to Philadelphia Intl. Airport (PHL)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey between Seattle - Tacoma Intl. Airport (SEA) and Philadelphia Intl. Airport (PHL) was ¥38,340. Great fares don't wait forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to PHL?
When it comes to cancellation fees, every airline has different terms and conditions. If you decide to cancel your escape, head to our Customer Service Portal.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to PHL that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seattle - Tacoma Intl. Airport (SEA) to Philadelphia Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from SEA to Philadelphia Intl. Airport (PHL)?
The average flight time between Sea-Tac Airport and Philadelphia Intl. Airport (PHL) is 5 hours and 6 minutes. If you get peckish on longer flights, pack a few healthy snacks in your carry-on bag.
How far is the flight from Sea-Tac Airport to Philadelphia Intl. Airport (PHL)?
The flight distance from Sea-Tac Airport to Philadelphia Intl. Airport (PHL) is 3,800 kilometers. Pack yourself a drink, a snack and a good book to read. Keep yourself busy in the air and the hours will fly by.
Which airlines fly direct from Sea-Tac Airport to Philadelphia Intl. Airport (PHL)?
Alaska Airlines (AS) is one of the preferred choices for many travelers flying between Sea-Tac Airport and PHL. Choose from the 60 flights it offers on this route each month. Another airline servicing this route is American Airlines (AA). You'll have 60 flights each month to choose from.
Are Seattle - Tacoma Intl. Airport (SEA) to Philadelphia Airport flight tickets cheaper when they're purchased at the last minute?
Airline tickets from Seattle - Tacoma Intl. Airport (SEA) to Philadelphia Intl. Airport (PHL) are available up to a year prior to departure on Expedia. And although you may pick up great last-minute deal, it's never something you can count on. Also, booking your flights ahead of time means you'll have more options — and you can avoid landing the dreaded middle seat! We frequently update our fares to bring you the biggest bargains, so check back often for all the latest specials.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
¥38,340
Distance
3794 km
Average flight time
9 hours 8 mins

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