Cheap flights from Adelaide to Southern Illinois

View AU$1,048 flight on Fri, 8 Aug. 2025Opens in a new window

Popular airlines from Adelaide 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 Adelaide (ADL) 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.

Air New Zealand
Fri, 29 Aug. - Fri, 5 Sep.
ADL
Adelaide
STL
St. Louis
AU$1,745 Return, just found
AU$1,745
Return
just found
Select Air New Zealand flight, departing Fri, 29 Aug. from Adelaide to St. Louis, returning Fri, 5 Sep., priced at AU$1,745 just found
Air New Zealand
Fri, 29 Aug. - Fri, 5 Sep.
ADL
Adelaide
STL
St. Louis
AU$1,818 Return, just found
AU$1,818
Return
just found
Select Air New Zealand flight, departing Fri, 29 Aug. from Adelaide to St. Louis, returning Fri, 5 Sep., priced at AU$1,818 just found
Jetstar
Wed, 27 Aug. - Tue, 2 Sep.
ADL
Adelaide
STL
St. Louis
AU$1,987 Return, found 3 days ago
AU$1,987
Return
found 3 days ago
Select Jetstar flight, departing Wed, 27 Aug. from Adelaide to St. Louis, returning Tue, 2 Sep., priced at AU$1,987 found 3 days ago
Air Canada
Tue, 5 Aug. - Tue, 12 Aug.
ADL
Adelaide
STL
St. Louis
AU$2,084 Return, found 5 hours ago
AU$2,084
Return
found 5 hours ago
Select Air Canada flight, departing Tue, 5 Aug. from Adelaide to St. Louis, returning Tue, 12 Aug., priced at AU$2,084 found 5 hours ago
Qantas Airways
Sun, 10 Aug. - Sat, 16 Aug.
ADL
Adelaide
STL
St. Louis
AU$2,145 Return, found 3 days ago
AU$2,145
Return
found 3 days ago
Select Qantas Airways flight, departing Sun, 10 Aug. from Adelaide to St. Louis, returning Sat, 16 Aug., priced at AU$2,145 found 3 days ago
Virgin Australia
Sat, 13 Dec. - Sat, 3 Jan.
ADL
Adelaide
STL
St. Louis
AU$2,277 Return, found 1 day ago
AU$2,277
Return
found 1 day ago
Select Virgin Australia flight, departing Sat, 13 Dec. from Adelaide to St. Louis, returning Sat, 3 Jan., priced at AU$2,277 found 1 day ago
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