Philadelphia (PHL) to Seattle / Tacoma (SEA) flight deal in economy from $329

American AirlinesAAAmerican Airlines
Round Trip•Economy
United StatesPHL

Philadelphia International Airport

Philadelphia, United States
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
$396 USD
-17%$329 USD
Verified 13 days ago
Good Availability
46% of dates checked are available within 10% of the lowest price

Monday, July 27th, 2026

8 round-trip options

Returning
Sat, Aug 1, 2026•5 Day Trip
$444 USD
Google Flights
Returning
Sun, Aug 2, 2026•6 Day Trip
$489 USD
Google Flights
Returning
Mon, Aug 3, 2026•7 Day Trip
$417 USD
Google Flights
Returning
Tue, Aug 4, 2026•8 Day Trip
$396 USD
Google Flights
Returning
Wed, Aug 5, 2026•9 Day Trip
$396 USD
Google Flights
Returning
Thu, Aug 6, 2026•10 Day Trip
$412 USD
Google Flights
Returning
Sun, Aug 9, 2026•13 Day Trip
$489 USD
Google Flights
Returning
Mon, Aug 10, 2026•14 Day Trip
$469 USD
Google Flights