Flights to Southern Illinois from Atlanta - ￥26,260

View ￥26,260 flight on Mon, Jul 28, 2025Opens in a new window

Popular airlines from Atlanta to Southern Illinois

  • Peach

    Peach

  • Skymark Airlines

    Skymark Airlines

  • All Nippon Airways

    All Nippon Airways

  • Japan Airlines

    Japan Airlines

  • Jetstar Japan

    Jetstar Japan

  • Solaseed Air

    Solaseed Air

  • STARFLYER

    STARFLYER

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Atlanta to Southern Illinois (ATL-STL)

Prices were available within the past 7 days and start at ￥26,260 for one-way flights and ￥25,140 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Aug 9 - Thu, Aug 14
ATL
Atlanta
STL
St. Louis
￥25,140 Roundtrip, found 3 days ago
￥25,140
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Aug 9 from Atlanta to St. Louis, returning Thu, Aug 14, priced at ￥25,140 found 3 days ago
Delta
Sat, Aug 9 - Thu, Aug 14
ATL
Atlanta
STL
St. Louis
￥29,440 Roundtrip, found 3 days ago
￥29,440
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Aug 9 from Atlanta to St. Louis, returning Thu, Aug 14, priced at ￥29,440 found 3 days ago
Delta
Sat, Aug 9 - Thu, Aug 14
ATL
Atlanta
STL
St. Louis
￥33,850 Roundtrip, found 3 days ago
￥33,850
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Aug 9 from Atlanta to St. Louis, returning Thu, Aug 14, priced at ￥33,850 found 3 days ago
American Airlines
Sat, Aug 9 - Thu, Aug 14
ATL
Atlanta
STL
St. Louis
￥35,740 Roundtrip, found 3 days ago
￥35,740
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Aug 9 from Atlanta to St. Louis, returning Thu, Aug 14, priced at ￥35,740 found 3 days ago
American Airlines
Sat, Aug 9 - Thu, Aug 14
ATL
Atlanta
STL
St. Louis
￥37,030 Roundtrip, found 3 days ago
￥37,030
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Aug 9 from Atlanta to St. Louis, returning Thu, Aug 14, priced at ￥37,030 found 3 days ago
United
Sat, Aug 9 - Thu, Aug 14
ATL
Atlanta
STL
St. Louis
￥49,610 Roundtrip, found 3 days ago
￥49,610
Roundtrip
found 3 days ago
Select United flight, departing Sat, Aug 9 from Atlanta to St. Louis, returning Thu, Aug 14, priced at ￥49,610 found 3 days ago
*Available to Expedia members.