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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
Delta
American Airlines
United
Southwest Airlines
Sun Country Airlines
JetBlue Airways

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Cheap Flights from Seattle to Philadelphia (SEA-PHL)

Prices were available within the past 7 days and start at NT$5,282 for one-way flights and NT$10,563 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Wed, Oct 28 - Fri, Nov 27

SEA

Seattle

PHL

Philadelphia

NT$10,563

Roundtrip

Found 20 hours ago

Select Delta flight, departing Wed, Oct 28 from Seattle to Philadelphia, returning Fri, Nov 27, priced at NT$10,563 Found 20 hours ago

Sun, Nov 1 - Fri, Nov 27

SEA

Seattle

PHL

Philadelphia

NT$10,579

Roundtrip

Found 1 day ago

Select Delta flight, departing Sun, Nov 1 from Seattle to Philadelphia, returning Fri, Nov 27, priced at NT$10,579 Found 1 day ago

Fri, Oct 30 - Wed, Dec 2

SEA

Seattle

PHL

Philadelphia

NT$10,879

Roundtrip

Found 20 hours ago

Select Delta flight, departing Fri, Oct 30 from Seattle to Philadelphia, returning Wed, Dec 2, priced at NT$10,879 Found 20 hours ago

Sun, Nov 1 - Fri, Nov 27

SEA

Seattle

PHL

Philadelphia

NT$10,895

Roundtrip

Found 1 day ago

Select Delta flight, departing Sun, Nov 1 from Seattle to Philadelphia, returning Fri, Nov 27, priced at NT$10,895 Found 1 day ago

Fri, Oct 30 - Wed, Dec 2

SEA

Seattle

PHL

Philadelphia

NT$11,195

Roundtrip

Found 20 hours ago

Select Delta flight, departing Fri, Oct 30 from Seattle to Philadelphia, returning Wed, Dec 2, priced at NT$11,195 Found 20 hours ago

Tue, Oct 6 - Sat, Oct 24

SEA

Seattle

PHL

Philadelphia

NT$11,426

Roundtrip

Found 22 hours ago

Select Delta flight, departing Tue, Oct 6 from Seattle to Philadelphia, returning Sat, Oct 24, priced at NT$11,426 Found 22 hours ago

Tue, Oct 6 - Sat, Oct 24

SEA

Seattle

PHL

Philadelphia

NT$11,597

Roundtrip

Found 22 hours ago

Select Delta flight, departing Tue, Oct 6 from Seattle to Philadelphia, returning Sat, Oct 24, priced at NT$11,597 Found 22 hours ago

Tue, Oct 6 - Sat, Oct 24

SEA

Seattle

PHL

Philadelphia

NT$11,742

Roundtrip

Found 22 hours ago

Select United flight, departing Tue, Oct 6 from Seattle to Philadelphia, returning Sat, Oct 24, priced at NT$11,742 Found 22 hours ago

Tue, Oct 6 - Sat, Oct 24

SEA

Seattle

PHL

Philadelphia

NT$11,913

Roundtrip

Found 22 hours ago

Select Delta flight, departing Tue, Oct 6 from Seattle to Philadelphia, returning Sat, Oct 24, priced at NT$11,913 Found 22 hours ago

Mon, Aug 24 - Sun, Aug 30

SEA

Seattle

PHL

Philadelphia

NT$12,319

Roundtrip

Found 4 days ago

Select American Airlines flight, departing Mon, Aug 24 from Seattle to Philadelphia, returning Sun, Aug 30, priced at NT$12,319 Found 4 days ago

Travel information

Origin airport	Seattle-Tacoma International Airport
Destination airport	Philadelphia Intl. Airport
Distance	3,816 km away
Airlines serving	Alaska Airlines, Delta, American Airlines, United, Southwest Airlines, Sun Country Airlines, JetBlue Airways, Frontier Airlines
Popular airline	Alaska Airlines
Roundtrip price	NT$10,563
Average flight time	5 hours 53 mins

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American Swedish Historical Museum
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NT$5,282 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)

Travel information

Explore a world of travel with Expedia