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

American AirlinesAAAmerican Airlines
Round Trip•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
United StatesPHL

Philadelphia International Airport

Philadelphia, United States
$402 USD
-18%$329 USD
Verified about 23 hours ago
Good Availability
40% of dates checked are available within 10% of the lowest price

Saturday, November 21st, 2026

9 round-trip options

Returning
Thu, Nov 26, 2026•5 Day Trip
$373 USD
Google Flights
Returning
Fri, Nov 27, 2026•6 Day Trip
$456 USD
Google Flights
Returning
Sat, Nov 28, 2026•7 Day Trip
$800 USD
Google Flights
Returning
Mon, Nov 30, 2026•9 Day Trip
$606 USD
Google Flights
Returning
Tue, Dec 1, 2026•10 Day Trip
$469 USD
Google Flights
Returning
Wed, Dec 2, 2026•11 Day Trip
$373 USD
Google Flights
Returning
Thu, Dec 3, 2026•12 Day Trip
$373 USD
Google Flights
Returning
Fri, Dec 4, 2026•13 Day Trip
$373 USD
Google Flights
Returning
Sat, Dec 5, 2026•14 Day Trip
$373 USD
Google Flights