$124 Cheap American Airlines flights Seattle (SEA) to Philadelphia (PHL)

View $124 flight on Sun, Jan 18, 2026Opens in a new window

$124 Cheap American Airlines flights Seattle (SEA) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $124 for one-way flights and $352 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Feb 14 - Fri, Feb 27
SEA
Seattle
PHL
Philadelphia
$352 Roundtrip, found 14 hours ago
$352
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Sat, Feb 14 from Seattle to Philadelphia, returning Fri, Feb 27, priced at $352 found 14 hours ago
Flights from Seattle (SEA) to Philadelphia (PHL)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Philadelphia Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Sun Country Airlines, United
Popular airline
American Airlines
Distance
3794 km
Average flight time
8 hours 4 mins