Cheap flights from Atlanta to Southwest Illinois

View AU$142 flight on Thu, 25 Sep. 2025Opens in a new window

Popular airlines from Atlanta to Southwest Illinois

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Atlanta (ATL) to Southwest Illinois (STL)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 25 Sep. - Mon, 29 Sep.
ATL
Atlanta
STL
St. Louis
AU$223 Return, found 15 hours ago
AU$223
Return
found 15 hours ago
Select Delta flight, departing Thu, 25 Sep. from Atlanta to St. Louis, returning Mon, 29 Sep., priced at AU$223 found 15 hours ago
Delta
Thu, 25 Sep. - Mon, 29 Sep.
ATL
Atlanta
STL
St. Louis
AU$278 Return, found 15 hours ago
AU$278
Return
found 15 hours ago
Select Delta flight, departing Thu, 25 Sep. from Atlanta to St. Louis, returning Mon, 29 Sep., priced at AU$278 found 15 hours ago
American Airlines
Thu, 25 Sep. - Mon, 29 Sep.
ATL
Atlanta
STL
St. Louis
AU$283 Return, found 15 hours ago
AU$283
Return
found 15 hours ago
Select American Airlines flight, departing Thu, 25 Sep. from Atlanta to St. Louis, returning Mon, 29 Sep., priced at AU$283 found 15 hours ago
Delta
Thu, 25 Sep. - Sun, 28 Sep.
ATL
Atlanta
STL
St. Louis
AU$315 Return, found 15 hours ago
AU$315
Return
found 15 hours ago
Select Delta flight, departing Thu, 25 Sep. from Atlanta to St. Louis, returning Sun, 28 Sep., priced at AU$315 found 15 hours ago
United
Thu, 25 Sep. - Sun, 28 Sep.
ATL
Atlanta
STL
St. Louis
AU$499 Return, found 15 hours ago
AU$499
Return
found 15 hours ago
Select United flight, departing Thu, 25 Sep. from Atlanta to St. Louis, returning Sun, 28 Sep., priced at AU$499 found 15 hours ago
Alaska Airlines
Thu, 25 Sep. - Sun, 28 Sep.
ATL
Atlanta
STL
St. Louis
AU$870 Return, found 15 hours ago
AU$870
Return
found 15 hours ago
Select Alaska Airlines flight, departing Thu, 25 Sep. from Atlanta to St. Louis, returning Sun, 28 Sep., priced at AU$870 found 15 hours ago
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