Cheap flights from Ottawa to Central Illinois

View AU$305 flight on Mon, 13 Oct. 2025Opens in a new window

Popular airlines from Ottawa to Central 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 Ottawa (YOW) to Central 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.

Porter Airlines
Thu, 21 Aug. - Sun, 24 Aug.
YOW
Ottawa
MDW
Chicago
AU$557 Return, found 19 hours ago
AU$557
Return
found 19 hours ago
Select Porter Airlines flight, departing Thu, 21 Aug. from Ottawa to Chicago, returning Sun, 24 Aug., priced at AU$557 found 19 hours ago
Porter Airlines
Thu, 21 Aug. - Sat, 23 Aug.
YOW
Ottawa
MDW
Chicago
AU$594 Return, found 19 hours ago
AU$594
Return
found 19 hours ago
Select Porter Airlines flight, departing Thu, 21 Aug. from Ottawa to Chicago, returning Sat, 23 Aug., priced at AU$594 found 19 hours ago
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