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 15 days ago

December 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$371 1$361 2$351 3$351 4$351 5$351 6$361 7$351 8$361 9$351 10$351 11$351 12$351 13$361 14$371 15$381 16$351 17$351 18$371 19$371 20$381 21$371 22$381 23$371 24$351 25$351 26$371 27$381 28$371 29$361 30$351 31$351 1$351 2$371 3$391

Extremely Rare Availability

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

Wednesday, December 16th, 2026

2 round-trip options

Returning

Mon, Dec 21, 2026•5 Day Trip

$351 USD

Returning

Mon, Dec 28, 2026•12 Day Trip

$371 USD