
$124 Cheap United flights Seattle (SEA) to St. Louis (STL)
Prices were available within the past 7 days and start at $124 for one-way flights and $218 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 9 - Tue, Jul 15
SEA
Seattle
STL
St. Louis
$218 Roundtrip, found 2 days ago
$218
Roundtrip
found 2 days ago

Wed, Jul 9 - Tue, Jul 15
SEA
Seattle
STL
St. Louis
$247 Roundtrip, found 2 days ago
$247
Roundtrip
found 2 days ago

Wed, Jul 9 - Tue, Jul 15
SEA
Seattle
STL
St. Louis
$259 Roundtrip, found 2 days ago
$259
Roundtrip
found 2 days ago

Wed, Jul 9 - Tue, Jul 15
SEA
Seattle
STL
St. Louis
$263 Roundtrip, found 2 days ago
$263
Roundtrip
found 2 days ago

Sat, Jun 28 - Fri, Jul 4
SEA
Seattle
STL
St. Louis
$273 Roundtrip, found 1 day ago
$273
Roundtrip
found 1 day ago

Wed, Jul 9 - Tue, Jul 15
SEA
Seattle
STL
St. Louis
$288 Roundtrip, found 2 days ago
$288
Roundtrip
found 2 days ago
Origin airport | Seattle - Tacoma Intl. |
Destination airport | Lambert-St. Louis Intl. |
Distance | 2728 km |
Average flight time | 5 hours 54 mins |
Most Popular United Routes from Seattle
Most Popular United Routes from St. Louis
- Detroit to Phoenix (DTW - PHX)
- Austin to Ontario (AUS - ONT)
- Kansas City to Atlanta (MCI - ATL)
- Denver to Charlotte (DEN - CLT)
- Los Angeles to Rome (LAX - FCO)
- Chicago to Little Rock (ORD - LIT)
- Newark Liberty Intl. Airport to New Orleans (EWR - MSY)
- Panama City to Charlotte (ECP - CLT)
- Madison to Portland (MSN - PDX)
- Los Angeles to Johannesburg (LAX - JNB)
Popular Domestic Routes in Lambert-St. Louis Intl.
- Denver to Charlotte (DEN - CLT)
- Newark Liberty Intl. Airport to New Orleans (EWR - MSY)
- Los Angeles to Rome (LAX - FCO)
- Los Angeles to Johannesburg (LAX - JNB)
- Chicago to Little Rock (ORD - LIT)
- Austin to Ontario (AUS - ONT)
- Ontario to Washington (ONT - DCA)
- Detroit to Phoenix (DTW - PHX)
- Madison to Portland (MSN - PDX)
- Harrisburg to Honolulu (MDT - HNL)