Atlanta (ATL) to St. Louis (STL) flight deal in economy from $117

Southwest AirlinesWNSouthwest Airlines
Round Trip•Economy
United StatesATL

Hartsfield–Jackson Atlanta Inte

Atlanta, United States
United StatesSTL

Lambert-Saint Louis International Airport

St. Louis, United States
$334 USD
-65%$117 USD
Verified 13 days ago
Extremely Rare Availability
3% of dates checked are available within 10% of the lowest price

Saturday, August 15th, 2026

3 round-trip options

Returning
Fri, Aug 21, 2026•6 Day Trip
$137 USD
Google Flights
Returning
Sat, Aug 22, 2026•7 Day Trip
$137 USD
Google Flights
Returning
Sun, Aug 23, 2026•8 Day Trip
$147 USD
Google Flights