Philadelphia (PHL) to Seattle / Tacoma (SEA) flight deal in economy from $329
PHLPhiladelphia International Airport
Philadelphia, United States
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$396 USD
-17%$329 USD
Verified 13 days agoJuly 2026
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Good Availability
46% of dates checked are available within 10% of the lowest price
Sunday, July 19th, 2026
8 round-trip options
Returning
Fri, Jul 24, 2026•5 Day Trip
$627 USD
Returning
Sat, Jul 25, 2026•6 Day Trip
$516 USD
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Sun, Jul 26, 2026•7 Day Trip
$577 USD
Returning
Mon, Jul 27, 2026•8 Day Trip
$511 USD
Returning
Tue, Jul 28, 2026•9 Day Trip
$469 USD
Returning
Wed, Jul 29, 2026•10 Day Trip
$458 USD
Returning
Sat, Aug 1, 2026•13 Day Trip
$496 USD
Returning
Sun, Aug 2, 2026•14 Day Trip
$541 USD