Seattle / Tacoma (SEA) to Philadelphia (PHL) flight deal in economy from $273
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
PHLPhiladelphia International Airport
Philadelphia, United States
$399 USD
-32%$273 USD
Verified 17 days agoNovember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Extremely Rare Availability
3% of dates checked are available within 10% of the lowest price
Wednesday, November 18th, 2026
8 round-trip options
Returning
Mon, Nov 23, 2026•5 Day Trip
$349 USD
Returning
Tue, Nov 24, 2026•6 Day Trip
$400 USD
Returning
Wed, Nov 25, 2026•7 Day Trip
$349 USD
Returning
Sat, Nov 28, 2026•10 Day Trip
$809 USD
Returning
Sun, Nov 29, 2026•11 Day Trip
$1,149 USD
Returning
Mon, Nov 30, 2026•12 Day Trip
$809 USD
Returning
Tue, Dec 1, 2026•13 Day Trip
$516 USD
Returning
Wed, Dec 2, 2026•14 Day Trip
$400 USD