Cheapest return flights from Chicago to Istanbul in September from $752

Best time to book flights for Chicago (ORD) to Istanbul (SAW) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Istanbul (SAW) in September 2025 (see full year).

Return flights

06 Sep - 11 Sep Icelandair
15 Sep - 21 Sep Icelandair
12 Sep - 27 Sep Icelandair
05 Sep - 14 Sep Icelandair
07 Sep - 12 Sep Icelandair
14 Sep - 23 Sep Qatar Airways
09 Sep - 23 Sep Qatar Airways
30 Sep - 07 Oct Qatar Airways
30 Sep - 14 Oct Qatar Airways
05 Sep - 12 Sep Icelandair
12 Sep - 19 Sep Icelandair
25 Sep - 03 Oct Qatar Airways
19 Sep - 28 Sep Icelandair
29 Sep - 03 Oct Qatar Airways

Also check the deals for one-way flights from Chicago to Istanbul in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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