Cheap United flights St. Louis (STL) to Seattle (SEA)
Cheap United flights St. Louis (STL) to Seattle (SEA)
Prices were available within the past 7 days and start at for one-way flights and $349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Tue, Sep 29 - Fri, Oct 9
STL
St. Louis
SEA
Seattle
$349 Roundtrip, found 1 day ago
$349
Roundtrip
found 1 day ago
Find the cheapest month to fly from St. Louis (STL) to Seattle (SEA)
April is typically the cheapest month to fly
From $177 - $287 per traveler.
Travel information
Origin airport | Lambert-St. Louis Intl. |
|---|---|
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, United |
Popular airline | Delta |
Distance | 2728 km |
Average flight time | 3 hours 26 mins |
Explore a world of travel with Expedia
Most Popular United Routes from St. Louis
Most Popular United Routes from Seattle
- New York to Orlando (LGA - MCO)
- South Bend to Houston (SBN - IAH)
- Montrose to Los Angeles (MTJ - LAX)
- Chicago to Hartford (ORD - BDL)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- Seattle to Los Angeles (SEA - LAX)
- Chicago to San Salvador (ORD - SAL)
- Washington to Providence (DCA - PVD)
- Chicago to San Salvador (ORD - SAL)
- Seattle to Kansas City (SEA - MCI)
Popular Domestic Routes in Seattle - Tacoma Intl.
- New York to Orlando (LGA - MCO)
- Knoxville to Syracuse (TYS - SYR)
- Chicago to Hartford (ORD - BDL)
- Chicago to San Salvador (ORD - SAL)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)
- Minneapolis to Burlington (MSP - BTV)
- Montrose to Los Angeles (MTJ - LAX)
- Tampa to Akron (TPA - CAK)
- Chicago to Rome (ORD - FCO)
- Newark Liberty Intl. Airport to Orlando (EWR - MCO)