Seattle / Tacoma (SEA) to Philadelphia (PHL) flight deal in economy from $169

United AirlinesUAUnited Airlines
One Way•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
United StatesPHL

Philadelphia International Airport

Philadelphia, United States
$224 USD
-25%$169 USD
Verified 1 day ago
Good Availability
56% of dates checked are available within 10% of the lowest price

Friday, August 28th, 2026

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