$216 Cheap United flights St. Louis (STL) to Seattle (SEA)
Prices were available within the past 7 days and start at $216 for one-way flights and $359 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Sat, Aug 22 - Sat, Aug 29
STL
St. Louis
SEA
Seattle
$359 Roundtrip, found 6 days ago
$359
Roundtrip
found 6 days ago
Thu, Aug 20 - Sat, Aug 29
STL
St. Louis
SEA
Seattle
$374 Roundtrip, found 11 hours ago
$374
Roundtrip
found 11 hours ago
Find the cheapest month to fly from St. Louis (STL) to Seattle (SEA)
January is typically the cheapest month to fly
From $126 - $331 per traveler.
Origin airport | Lambert-St. Louis Intl. |
|---|---|
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Southwest Airlines, United |
Popular airline | American Airlines |
Distance | 2728 km |
Average flight time | 4 hours 50 mins |
Most Popular United Routes from St. Louis
Most Popular United Routes from Seattle
- Sacramento to Tokyo (SMF - NRT)
- Butte to Miami (BTM - MIA)
- Atlanta to Cancun (ATL - CUN)
- Washington to San Salvador (IAD - SAL)
- Raleigh to Cairo (RDU - CAI)
- Minneapolis to Pensacola (MSP - PNS)
- Boston to San Francisco (BOS - SFO)
- Atlanta to Denver (ATL - DEN)
- Newark Liberty Intl. Airport to New Orleans (EWR - MSY)
- Atlanta to Cancun (ATL - CUN)
Popular Domestic Routes in Seattle - Tacoma Intl.
- Atlanta to Denver (ATL - DEN)
- Newark Liberty Intl. Airport to New Orleans (EWR - MSY)
- Ontario to Little Rock (ONT - LIT)
- Boston to San Francisco (BOS - SFO)
- Boston to San Francisco (BOS - SFO)
- Newark Liberty Intl. Airport to Colorado Springs (EWR - COS)
- Kansas City to Phoenix (MCI - PHX)
- Chicago to Orlando (ORD - MCO)
- Washington to San Luis Obispo (DCA - SBP)
- Atlanta to Cancun (ATL - CUN)