
$155 Cheap American Airlines flights Seattle (SEA) to St. Louis (STL)
Prices were available within the past 7 days and start at $155 for one-way flights and $383 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, May 21 - Mon, May 25
SEA
Seattle
STL
St. Louis
$383 Roundtrip, found 3 days ago
$383
Roundtrip
found 3 days ago

Thu, May 21 - Mon, May 25
SEA
Seattle
STL
St. Louis
$397 Roundtrip, found 3 days ago
$397
Roundtrip
found 3 days ago

Thu, May 21 - Mon, May 25
SEA
Seattle
STL
St. Louis
$426 Roundtrip, found 3 days ago
$426
Roundtrip
found 3 days ago
Find the cheapest month to fly from Seattle (SEA) to St. Louis (STL)
January is typically the cheapest month to fly
From $126 - $222 per traveler.
Origin airport | Seattle - Tacoma Intl. |
|---|---|
Destination airport | Lambert-St. Louis Intl. |
Distance | 2728 km |
Average flight time | 5 hours 52 mins |
Most Popular American Airlines Routes from Seattle
- American Airlines SEA to MIA
- American Airlines SEA to BWI
- American Airlines SEA to EWR
- American Airlines SEA to IAD
- American Airlines SEA to HNL
- American Airlines SEA to JNU
- American Airlines SEA to MCO
- American Airlines SEA to ORD
- American Airlines SEA to LAS
- American Airlines SEA to MSY
- American Airlines SEA to DCA
Most Popular American Airlines Routes from St. Louis
- Newark Liberty Intl. Airport to Birmingham (EWR - BHM)
- Newark Liberty Intl. Airport to Montego Bay (EWR - MBJ)
- Newark Liberty Intl. Airport to Montego Bay (EWR - MBJ)
- Fresno to Orlando (FAT - MCO)
- Baltimore to Miami (BWI - MIA)
- Detroit to Orlando (DTW - MCO)
- New York to Birmingham (LGA - BHM)
- Fayetteville to Guadalajara (XNA - GDL)
- Phoenix to Columbus (PHX - CMH)
- Las Vegas to Guatemala City (LAS - GUA)
Popular Domestic Routes in Lambert-St. Louis Intl.
- Detroit to Orlando (DTW - MCO)
- New York to Birmingham (JFK - BHM)
- Fayetteville to Buffalo (XNA - BUF)
- Phoenix to Columbus (PHX - CMH)
- Newark Liberty Intl. Airport to Montego Bay (EWR - MBJ)
- Kansas City to Chicago (MCI - ORD)
- Fayetteville to Buffalo (XNA - BUF)
- Newark Liberty Intl. Airport to Birmingham (EWR - BHM)
- New York to Birmingham (JFK - BHM)
- Fresno to Orlando (FAT - MCO)