Cheapest return flights from Chicago to Istanbul in October from $743

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 October 2025 (see full year).

Return flights

06 Oct - 13 Oct Icelandair
06 Oct - 21 Oct Icelandair
07 Oct - 14 Oct Icelandair
15 Oct - 21 Oct Icelandair
08 Oct - 15 Oct Icelandair
01 Oct - 15 Oct Qatar Airways
19 Oct - 26 Oct Qatar Airways
14 Oct - 28 Oct Qatar Airways
15 Oct - 29 Oct Qatar Airways
21 Oct - 11 Nov Qatar Airways
22 Oct - 12 Nov Qatar Airways
21 Oct - 09 Nov Qatar Airways
22 Oct - 18 Nov Qatar Airways
06 Oct - 18 Oct Icelandair
28 Oct - 13 Nov Qatar Airways
29 Oct - 22 Nov Qatar Airways
26 Oct - 01 Nov Qatar Airways
19 Oct - 01 Nov Qatar Airways

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

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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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