Cheap flights from Toronto to Southern Illinois

View AU$284 flight on Wed, 27 Aug. 2025Opens in a new window

Popular airlines from Toronto 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 Toronto (YTO) 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 Canada
Mon, 18 Aug. - Wed, 27 Aug.
YYZ
Toronto
STL
St. Louis
AU$640 Return, found 9 hours ago
AU$640
Return
found 9 hours ago
Select Air Canada flight, departing Mon, 18 Aug. from Toronto to St. Louis, returning Wed, 27 Aug., priced at AU$640 found 9 hours ago
American Airlines
Mon, 18 Aug. - Wed, 27 Aug.
YYZ
Toronto
STL
St. Louis
AU$649 Return, found 9 hours ago
AU$649
Return
found 9 hours ago
Select American Airlines flight, departing Mon, 18 Aug. from Toronto to St. Louis, returning Wed, 27 Aug., priced at AU$649 found 9 hours ago
Air Canada
Mon, 18 Aug. - Wed, 27 Aug.
YYZ
Toronto
STL
St. Louis
AU$709 Return, found 9 hours ago
AU$709
Return
found 9 hours ago
Select Air Canada flight, departing Mon, 18 Aug. from Toronto to St. Louis, returning Wed, 27 Aug., priced at AU$709 found 9 hours ago
United
Mon, 18 Aug. - Wed, 27 Aug.
YYZ
Toronto
STL
St. Louis
AU$717 Return, found 9 hours ago
AU$717
Return
found 9 hours ago
Select United flight, departing Mon, 18 Aug. from Toronto to St. Louis, returning Wed, 27 Aug., priced at AU$717 found 9 hours ago
Delta
Mon, 18 Aug. - Wed, 27 Aug.
YYZ
Toronto
STL
St. Louis
AU$750 Return, found 9 hours ago
AU$750
Return
found 9 hours ago
Select Delta flight, departing Mon, 18 Aug. from Toronto to St. Louis, returning Wed, 27 Aug., priced at AU$750 found 9 hours ago
WestJet
Mon, 18 Aug. - Wed, 27 Aug.
YYZ
Toronto
STL
St. Louis
AU$838 Return, found 9 hours ago
AU$838
Return
found 9 hours ago
Select WestJet flight, departing Mon, 18 Aug. from Toronto to St. Louis, returning Wed, 27 Aug., priced at AU$838 found 9 hours ago
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