Cheap flights from Istanbul to Southwest Illinois

View AU$2,045 flight on Thu, 7 Aug. 2025Opens in a new window

Popular airlines from Istanbul to Southwest 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 Istanbul (IST) 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.

Delta
Thu, 7 Aug. - Mon, 11 Aug.
IST
Istanbul
STL
St. Louis
AU$1,879 Return, found 5 days ago
AU$1,879
Return
found 5 days ago
Select Delta flight, departing Thu, 7 Aug. from Istanbul to St. Louis, returning Mon, 11 Aug., priced at AU$1,879 found 5 days ago
Delta
Thu, 7 Aug. - Mon, 11 Aug.
IST
Istanbul
STL
St. Louis
AU$1,948 Return, found 5 days ago
AU$1,948
Return
found 5 days ago
Select Delta flight, departing Thu, 7 Aug. from Istanbul to St. Louis, returning Mon, 11 Aug., priced at AU$1,948 found 5 days ago
Lufthansa
Thu, 7 Aug. - Mon, 11 Aug.
IST
Istanbul
STL
St. Louis
AU$2,429 Return, found 5 days ago
AU$2,429
Return
found 5 days ago
Select Lufthansa flight, departing Thu, 7 Aug. from Istanbul to St. Louis, returning Mon, 11 Aug., priced at AU$2,429 found 5 days ago
United
Thu, 7 Aug. - Mon, 11 Aug.
IST
Istanbul
STL
St. Louis
AU$2,600 Return, found 5 days ago
AU$2,600
Return
found 5 days ago
Select United flight, departing Thu, 7 Aug. from Istanbul to St. Louis, returning Mon, 11 Aug., priced at AU$2,600 found 5 days ago
Air Canada
Thu, 7 Aug. - Mon, 11 Aug.
IST
Istanbul
STL
St. Louis
AU$3,015 Return, found 5 days ago
AU$3,015
Return
found 5 days ago
Select Air Canada flight, departing Thu, 7 Aug. from Istanbul to St. Louis, returning Mon, 11 Aug., priced at AU$3,015 found 5 days ago
Turkish Airlines
Thu, 7 Aug. - Mon, 11 Aug.
IST
Istanbul
STL
St. Louis
AU$3,270 Return, found 5 days ago
AU$3,270
Return
found 5 days ago
Select Turkish Airlines flight, departing Thu, 7 Aug. from Istanbul to St. Louis, returning Mon, 11 Aug., priced at AU$3,270 found 5 days ago
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