Philadelphia (PHL) to Seattle / Tacoma (SEA) flight deal in economy from $265

United AirlinesUAUnited Airlines
Round Trip•Economy
United StatesPHL

Philadelphia International Airport

Philadelphia, United States
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
$411 USD
-36%$265 USD
Verified about 8 hours ago
Extremely Rare Availability
4% of dates checked are available within 10% of the lowest price

Sunday, July 12th, 2026

10 round-trip options

Returning
Fri, Jul 17, 2026•5 Day Trip
$586 USD
Google Flights
Returning
Sat, Jul 18, 2026•6 Day Trip
$601 USD
Google Flights
Returning
Sun, Jul 19, 2026•7 Day Trip
$607 USD
Google Flights
Returning
Mon, Jul 20, 2026•8 Day Trip
$497 USD
Google Flights
Returning
Tue, Jul 21, 2026•9 Day Trip
$462 USD
Google Flights
Returning
Wed, Jul 22, 2026•10 Day Trip
$451 USD
Google Flights
Returning
Thu, Jul 23, 2026•11 Day Trip
$487 USD
Google Flights
Returning
Fri, Jul 24, 2026•12 Day Trip
$490 USD
Google Flights
Returning
Sat, Jul 25, 2026•13 Day Trip
$564 USD
Google Flights
Returning
Sun, Jul 26, 2026•14 Day Trip
$632 USD
Google Flights