Cheapest one-way flights from Chicago to Istanbul in December from 232€

AirHint found the following cheapest one-way flights from Chicago (ORD) to Istanbul (IST) in December 2025 (see full year).

One-Way flights

06 Dec Spirit Airlines
11 Dec Spirit Airlines
13 Dec Spirit Airlines
14 Dec Spirit Airlines
15 Dec Spirit Airlines
05 Dec LOT
11 Dec Turkish Airlines direct
28 Dec Turkish Airlines direct
05 Dec Turkish Airlines direct
06 Dec Turkish Airlines direct

Also check the deals for return flights from Chicago to Istanbul in December.

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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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