
$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.

Sun, Aug 24 - Thu, Aug 28
STL
St. Louis
SEA
Seattle
$283 Roundtrip, found 1 day ago
$283
Roundtrip
found 1 day ago

Mon, Jul 21 - Tue, Jul 22
STL
St. Louis
SEA
Seattle
$315 Roundtrip, found 1 day ago
$315
Roundtrip
found 1 day ago
Origin airport | Lambert-St. Louis Intl. |
Destination airport | Seattle - Tacoma Intl. |
Distance | 2728 km |
Average flight time | 2 hours 24 mins |
Most Popular Frontier Airlines Routes from St. Louis
Most Popular Frontier Airlines Routes from Seattle
- Newark Liberty Intl. Airport to Miami (EWR - MIA)
- Baltimore to Tampa (BWI - TPA)
- Baltimore to Orlando (BWI - MCO)
- Baltimore to Atlanta (BWI - ATL)
- Minneapolis to Philadelphia (MSP - PHL)
- Miami to Newark Liberty Intl. Airport (MIA - EWR)
- St. Louis to Tampa (STL - TPA)
- Atlanta to New York (ATL - LGA)
- Houston to Denver (IAH - DEN)
- Seattle to Phoenix (SEA - PHX)
Popular Domestic Routes in Seattle - Tacoma Intl.
- St. Louis to Tampa (STL - TPA)
- Seattle to Ontario (SEA - ONT)
- Philadelphia to Myrtle Beach (PHL - MYR)
- Minneapolis to Philadelphia (MSP - PHL)
- Atlanta to New York (ATL - LGA)
- Seattle to Ontario (SEA - ONT)
- Chicago to Nashville (ORD - BNA)
- Houston to Denver (IAH - DEN)
- Philadelphia to Myrtle Beach (PHL - MYR)
- Baltimore to Tampa (BWI - TPA)