AirHint found the following cheapest return flights from Chicago (ORD) to Istanbul (IST) in February 2026 (see full year).

Return flights

03 Feb - 17 Feb	Icelandair
16 Feb - 02 Mar	Icelandair
25 Feb - 10 Mar	Aer Lingus
13 Feb - 27 Feb	LOT
05 Feb - 19 Feb	LOT
19 Feb - 05 Mar	LOT
10 Feb - 24 Feb	Air France
04 Feb - 10 Feb	Aer Lingus
19 Feb - 14 Mar	LOT
04 Feb - 18 Feb	KLM
21 Feb - 07 Mar	KLM
09 Feb - 02 Mar	KLM
18 Feb - 11 Mar	KLM
11 Feb - 04 Mar	KLM
05 Feb - 19 Feb	Turkish Airlines	direct
19 Feb - 05 Mar	Turkish Airlines	direct
16 Feb - 02 Mar	Turkish Airlines	direct
10 Feb - 24 Feb	Turkish Airlines	direct
13 Feb - 27 Feb	Turkish Airlines	direct
03 Feb - 28 Feb	Air France

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

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 February from 559€

Return flights