ATL to STL from $117 in economy – flightdeals.net

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Southwest Airlines

WNSouthwest Airlines

Round Trip•Economy

Hartsfield–Jackson Atlanta Inte

Atlanta, United States

Lambert-Saint Louis International Airport

St. Louis, United States

$334 USD

-65%$117 USD

Verified 13 days ago

July 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4 5$739 6$739 7$739 8$739 9$739 10$739 11$580 12$536 13$446 14$446 15$446 16$446 17$446 18$446 19$287 20$277 21$187 22$187 23$277 24$277 25$187 26$177 27$177 28$177 29$147 30$177 31$177 1$177 2$157

Extremely Rare Availability

3% of dates checked are available within 10% of the lowest price

Monday, July 20th, 2026

3 round-trip options

Returning

Sun, Jul 26, 2026•6 Day Trip

$307 USD

Returning

Mon, Jul 27, 2026•7 Day Trip

$307 USD

Returning

Tue, Jul 28, 2026•8 Day Trip

$277 USD