Cheapest return flights from Chicago to Istanbul in October from $765

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

03 Oct - 18 Oct Icelandair
01 Oct - 22 Oct Icelandair
05 Oct - 13 Oct Qatar Airways
31 Oct - 09 Nov Qatar Airways
09 Oct - 14 Oct Qatar Airways
24 Oct - 29 Oct Qatar Airways
01 Oct - 09 Oct Qatar Airways
06 Oct - 11 Oct Qatar Airways
27 Oct - 01 Nov Qatar Airways
25 Oct - 01 Nov Qatar Airways
17 Oct - 19 Oct Qatar Airways

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

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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