Seattle / Tacoma (SEA) to Philadelphia (PHL) flight deal in economy from $273

United AirlinesUAUnited Airlines
Round Trip•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
United StatesPHL

Philadelphia International Airport

Philadelphia, United States
$399 USD
-32%$273 USD
Verified 17 days ago
Extremely Rare Availability
3% of dates checked are available within 10% of the lowest price

Thursday, November 19th, 2026

8 round-trip options

Returning
Tue, Nov 24, 2026•5 Day Trip
$508 USD
Google Flights
Returning
Wed, Nov 25, 2026•6 Day Trip
$457 USD
Google Flights
Returning
Thu, Nov 26, 2026•7 Day Trip
$457 USD
Google Flights
Returning
Sun, Nov 29, 2026•10 Day Trip
$1,257 USD
Google Flights
Returning
Mon, Nov 30, 2026•11 Day Trip
$918 USD
Google Flights
Returning
Tue, Dec 1, 2026•12 Day Trip
$624 USD
Google Flights
Returning
Wed, Dec 2, 2026•13 Day Trip
$508 USD
Google Flights
Returning
Thu, Dec 3, 2026•14 Day Trip
$482 USD
Google Flights