AirHint found the following cheapest one-way flights from Chicago (ORD) to Istanbul (IST) in February 2026 (see full year).
One-Way flights
| 07 Feb | Spirit Airlines | ||
| 05 Feb | Spirit Airlines | ||
| 25 Feb | Icelandair | ||
| 09 Feb | Icelandair | ||
| 17 Feb | Aer Lingus | ||
| 01 Feb | Icelandair | ||
| 15 Feb | Icelandair | ||
| 10 Feb | Aer Lingus | ||
| 28 Feb | Spirit Airlines | ||
| 16 Feb | Icelandair |
Also check the deals for return flights from Chicago to Istanbul in February.
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