Cheapest one-way flights from Chicago to Istanbul in October from 219€

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

One-Way flights

02 Oct Spirit Airlines
15 Oct Frontier Airlines
12 Oct Spirit Airlines
04 Oct Spirit Airlines
10 Oct Spirit Airlines
23 Oct Spirit Airlines
11 Oct LOT
18 Oct LOT
02 Oct Turkish Airlines direct
04 Oct Turkish Airlines direct

Also check the deals for return 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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