Cheap flights from Cleveland to Southwest Illinois

View AU$168 flight on Sun, 31 Aug. 2025Opens in a new window

Popular airlines from Cleveland to Southwest Illinois

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

  • 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 35% 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 Cleveland (CLE) 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.

American Airlines
Sun, 31 Aug. - Sun, 7 Sep.
CLE
Cleveland
STL
St. Louis
AU$335 Return, found 6 days ago
AU$335
Return
found 6 days ago
Select American Airlines flight, departing Sun, 31 Aug. from Cleveland to St. Louis, returning Sun, 7 Sep., priced at AU$335 found 6 days ago
American Airlines
Sun, 31 Aug. - Sun, 7 Sep.
CLE
Cleveland
STL
St. Louis
AU$374 Return, found 6 days ago
AU$374
Return
found 6 days ago
Select American Airlines flight, departing Sun, 31 Aug. from Cleveland to St. Louis, returning Sun, 7 Sep., priced at AU$374 found 6 days ago
Delta
Sun, 31 Aug. - Sun, 7 Sep.
CLE
Cleveland
STL
St. Louis
AU$382 Return, found 6 days ago
AU$382
Return
found 6 days ago
Select Delta flight, departing Sun, 31 Aug. from Cleveland to St. Louis, returning Sun, 7 Sep., priced at AU$382 found 6 days ago
Delta
Sun, 31 Aug. - Sun, 7 Sep.
CLE
Cleveland
STL
St. Louis
AU$389 Return, found 6 days ago
AU$389
Return
found 6 days ago
Select Delta flight, departing Sun, 31 Aug. from Cleveland to St. Louis, returning Sun, 7 Sep., priced at AU$389 found 6 days ago
American Airlines
Sun, 31 Aug. - Sun, 7 Sep.
CLE
Cleveland
STL
St. Louis
AU$408 Return, found 6 days ago
AU$408
Return
found 6 days ago
Select American Airlines flight, departing Sun, 31 Aug. from Cleveland to St. Louis, returning Sun, 7 Sep., priced at AU$408 found 6 days ago
United
Sun, 31 Aug. - Sun, 7 Sep.
CLE
Cleveland
STL
St. Louis
AU$427 Return, found 6 days ago
AU$427
Return
found 6 days ago
Select United flight, departing Sun, 31 Aug. from Cleveland to St. Louis, returning Sun, 7 Sep., priced at AU$427 found 6 days ago
*Available to Expedia members.