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

Return flights

28 Nov - 12 Dec	Scandinavian Airlines
05 Nov - 08 Nov	Spirit Airlines
05 Nov - 11 Nov	Icelandair
04 Nov - 11 Nov	Icelandair
01 Nov - 15 Nov	Scandinavian Airlines
11 Nov - 16 Nov	Air France
20 Nov - 01 Dec	Air France
01 Nov - 01 Dec	KLM
23 Nov - 30 Nov	Air France
21 Nov - 30 Nov	KLM
22 Nov - 30 Nov	KLM
05 Nov - 11 Nov	Turkish Airlines	direct
28 Nov - 12 Dec	Turkish Airlines	direct
11 Nov - 16 Nov	Turkish Airlines	direct
01 Nov - 01 Dec	Turkish Airlines	direct
20 Nov - 01 Dec	Turkish Airlines	direct

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

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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Cheapest return flights from Chicago to Istanbul in November from 486€

Return flights