Cheapest return flights from Chicago to Istanbul in October from 494€

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

Return flights

06 Oct - 16 Oct Spirit Airlines
17 Oct - 21 Oct Icelandair
03 Oct - 06 Oct Spirit Airlines
04 Oct - 11 Oct Icelandair
01 Oct - 12 Oct Icelandair
04 Oct - 06 Oct Spirit Airlines
02 Oct - 10 Oct Spirit Airlines
30 Oct - 06 Nov Scandinavian Airlines
14 Oct - 21 Oct Icelandair
17 Oct - 22 Oct Icelandair
01 Oct - 08 Oct Icelandair
31 Oct - 13 Nov LOT
27 Oct - 10 Nov LOT
30 Oct - 13 Nov LOT
30 Oct - 06 Nov Turkish Airlines direct
30 Oct - 13 Nov Turkish Airlines direct
31 Oct - 13 Nov Turkish Airlines direct
30 Oct - 02 Nov Air France
24 Oct - 07 Nov Turkish Airlines direct
27 Oct - 10 Nov Turkish Airlines direct

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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