Cheap flights from Jacksonville to Southern Illinois

View AU$171 flight on Wed, 3 Sep. 2025Opens in a new window

Popular airlines from Jacksonville to Southern 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 Jacksonville (JAX) to Southern 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
Wed, 3 Sep. - Sun, 7 Sep.
JAX
Jacksonville
STL
St. Louis
AU$396 Return, found 1 hour ago
AU$396
Return
found 1 hour ago
Select American Airlines flight, departing Wed, 3 Sep. from Jacksonville to St. Louis, returning Sun, 7 Sep., priced at AU$396 found 1 hour ago
Delta
Wed, 3 Sep. - Sun, 7 Sep.
JAX
Jacksonville
STL
St. Louis
AU$396 Return, found 1 hour ago
AU$396
Return
found 1 hour ago
Select Delta flight, departing Wed, 3 Sep. from Jacksonville to St. Louis, returning Sun, 7 Sep., priced at AU$396 found 1 hour ago
Delta
Wed, 3 Sep. - Sun, 7 Sep.
JAX
Jacksonville
STL
St. Louis
AU$429 Return, found 1 hour ago
AU$429
Return
found 1 hour ago
Select Delta flight, departing Wed, 3 Sep. from Jacksonville to St. Louis, returning Sun, 7 Sep., priced at AU$429 found 1 hour ago
Delta
Wed, 3 Sep. - Sun, 7 Sep.
JAX
Jacksonville
STL
St. Louis
AU$442 Return, found 1 hour ago
AU$442
Return
found 1 hour ago
Select Delta flight, departing Wed, 3 Sep. from Jacksonville to St. Louis, returning Sun, 7 Sep., priced at AU$442 found 1 hour ago
United
Wed, 3 Sep. - Sun, 7 Sep.
JAX
Jacksonville
STL
St. Louis
AU$457 Return, found 1 hour ago
AU$457
Return
found 1 hour ago
Select United flight, departing Wed, 3 Sep. from Jacksonville to St. Louis, returning Sun, 7 Sep., priced at AU$457 found 1 hour ago
American Airlines
Wed, 3 Sep. - Sun, 7 Sep.
JAX
Jacksonville
STL
St. Louis
AU$465 Return, found 1 hour ago
AU$465
Return
found 1 hour ago
Select American Airlines flight, departing Wed, 3 Sep. from Jacksonville to St. Louis, returning Sun, 7 Sep., priced at AU$465 found 1 hour ago
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