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Flights from Seattle-Tacoma International Airport (SEA) to Philadelphia Intl. Airport (PHL)
Flights to Philadelphia
Pennsylvania
United States of America
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Popular airlines from Seattle-Tacoma International Airport (SEA) to Philadelphia Intl. Airport (PHL)

Alaska Airlines
American Airlines
Delta
United
Southwest Airlines
JetBlue Airways
Sun Country Airlines

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Cheap Flights from Seattle to Philadelphia (SEA-PHL)

Prices were available within the past 7 days and start at NT$8,069 for one-way flights and NT$13,432 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Fri, Oct 23 - Thu, Oct 29

SEA

Seattle

PHL

Philadelphia

NT$13,432

Roundtrip

Found 4 days ago

Select Delta flight, departing Fri, Oct 23 from Seattle to Philadelphia, returning Thu, Oct 29, priced at NT$13,432 Found 4 days ago

Fri, Oct 23 - Thu, Oct 29

SEA

Seattle

PHL

Philadelphia

NT$13,745

Roundtrip

Found 4 days ago

Select Delta flight, departing Fri, Oct 23 from Seattle to Philadelphia, returning Thu, Oct 29, priced at NT$13,745 Found 4 days ago

Fri, Oct 23 - Thu, Oct 29

SEA

Seattle

PHL

Philadelphia

NT$14,058

Roundtrip

Found 4 days ago

Select Delta flight, departing Fri, Oct 23 from Seattle to Philadelphia, returning Thu, Oct 29, priced at NT$14,058 Found 4 days ago

Fri, Oct 23 - Thu, Oct 29

SEA

Seattle

PHL

Philadelphia

NT$15,496

Roundtrip

Found 4 days ago

Select Delta flight, departing Fri, Oct 23 from Seattle to Philadelphia, returning Thu, Oct 29, priced at NT$15,496 Found 4 days ago

Fri, Oct 23 - Thu, Oct 29

SEA

Seattle

PHL

Philadelphia

NT$15,809

Roundtrip

Found 4 days ago

Select Delta flight, departing Fri, Oct 23 from Seattle to Philadelphia, returning Thu, Oct 29, priced at NT$15,809 Found 4 days ago

Fri, Oct 23 - Thu, Oct 29

SEA

Seattle

PHL

Philadelphia

NT$15,973

Roundtrip

Found 4 days ago

Select Delta flight, departing Fri, Oct 23 from Seattle to Philadelphia, returning Thu, Oct 29, priced at NT$15,973 Found 4 days ago

Fri, Oct 23 - Thu, Oct 29

SEA

Seattle

PHL

Philadelphia

NT$16,286

Roundtrip

Found 4 days ago

Select Delta flight, departing Fri, Oct 23 from Seattle to Philadelphia, returning Thu, Oct 29, priced at NT$16,286 Found 4 days ago

Fri, Oct 23 - Thu, Oct 29

SEA

Seattle

PHL

Philadelphia

NT$17,412

Roundtrip

Found 4 days ago

Select American Airlines flight, departing Fri, Oct 23 from Seattle to Philadelphia, returning Thu, Oct 29, priced at NT$17,412 Found 4 days ago

Fri, Oct 23 - Thu, Oct 29

SEA

Seattle

PHL

Philadelphia

NT$17,564

Roundtrip

Found 4 days ago

Select Delta flight, departing Fri, Oct 23 from Seattle to Philadelphia, returning Thu, Oct 29, priced at NT$17,564 Found 4 days ago

Fri, Oct 23 - Thu, Oct 29

SEA

Seattle

PHL

Philadelphia

NT$17,571

Roundtrip

Found 4 days ago

Select American Airlines flight, departing Fri, Oct 23 from Seattle to Philadelphia, returning Thu, Oct 29, priced at NT$17,571 Found 4 days ago

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

December is typically the cheapest month to fly

From NT$8,652 - NT$17,068 per traveler.

Travel information

Origin airport	Seattle-Tacoma International Airport
Destination airport	Philadelphia Intl. Airport
Distance	3,816 km away
Airlines serving	Alaska Airlines, American Airlines, Delta, United, Southwest Airlines, JetBlue Airways, Sun Country Airlines, Frontier Airlines
Popular airline	Alaska Airlines
Roundtrip price	NT$13,432
Average flight time	5 hours 16 mins

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Romantic Hotels in South Philadelphia
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Fitler Square Hotels
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Hotels with Bars in South Philadelphia
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Clifton Heights Hotels
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Washington Square West Hotels
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B&B in Crum Lynne
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Hotels near Citizens Bank Park
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Hotels near Philadelphia Intl.
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Resorts & Hotels with Spas in Philadelphia
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Condo Rentals in Folsom
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5 Star Hotels in Springfield
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Folcroft Hotels
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Flights from Tuscaloosa (TCL) to Philadelphia (PHL)
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Flights from Tokyo (NRT) to Philadelphia (PHL)
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Flights to Philadelphia Intl.
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Flights from Ocean City (OCE) to Philadelphia (PHL)
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Flights from Sharon Hill
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American Swedish Historical Museum
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Franklin Institute Science Museum
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Visit Lester
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Visit South Philadelphia
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Visit Upper Darby
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University of Pennsylvania
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Visit Sharon Hill
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Folcroft Vacations
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Lincoln Financial Field
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Morton Morton House
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Visit Folcroft
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John Heinz National Wildlife Refuge at Tinicum
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Budget Rental Cars in Lester
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Europcar Rental Cars in Packer Park
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Payless Rental Cars in Southwest Philadelphia
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Hertz Rental Cars in Philadelphia Intl.
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Dollar Rental Cars in Swarthmore
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Europcar Rental Cars in Philadelphia Intl.
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Fullsize Car Rentals near Philadelphia Intl.
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Avis Rental Cars in Swarthmore
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Car rentals near National Shrine of St. Rita of Cascia
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Mex Rent A Car Rental Cars in Upper Darby
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Rental cars Philadelphia Intl. airport
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Midway Car Rental Rental Cars in Philadelphia Intl.
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Top Rent a Car Rental Cars in Philadelphia Intl.
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Europcar Rental Cars in University City
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Thrifty Car Rental Rental Cars in Philadelphia Intl.
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United Rental Cars in Philadelphia Intl.
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Avis Rental Cars in Philadelphia Intl.
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Avis Rental Cars in Secane
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Budget Rental Cars in Prospect Park
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NT$8,069 Cheap Flights from Seattle (SEA) to Philadelphia (PHL)

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

Be in the know

Book smarter

Earn twice

Cheap Flights from Seattle to Philadelphia (SEA-PHL)

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

December is typically the cheapest month to flyDecember is typically the cheapest month to fly

Travel information

Explore a world of travel with Expedia

December is typically the cheapest month to fly