Cheapest one-way flights from Chicago to Istanbul in December from 312€

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

One-Way flights

30 Dec Icelandair
28 Dec Lufthansa
29 Dec Lufthansa
27 Dec SWISS
24 Dec SWISS
26 Dec Frontier Airlines
30 Dec Turkish Airlines direct
29 Dec Turkish Airlines direct
28 Dec Turkish Airlines direct
26 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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