Philadelphia (PHL) to Seattle / Tacoma (SEA) flight deal in economy from $165

Delta Air LinesDLDelta Air Lines
One Way•Economy
United StatesPHL

Philadelphia International Airport

Philadelphia, United States
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
$204 USD
-19%$165 USD
Verified about 17 hours ago
Great Availability
80% of dates checked are available within 10% of the lowest price

Monday, August 31st, 2026

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