$159 Cheap Frontier Airlines flights St. Louis (STL) to Seattle (SEA)

$159 Cheap Frontier Airlines flights St. Louis (STL) to Seattle (SEA)

Prices were available within the past 7 days and start at $159 for one-way flights and $283 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Flights from St. Louis (STL) to Seattle (SEA)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
2728 km
Average flight time
2 hours 24 mins