AirHint found the following cheapest return flights from Chicago (MDW) to Istanbul (SAW) in January 2026 (see full year).
Return flights
| 23 Jan - 26 Jan | Frontier Airlines | ||
| 18 Jan - 23 Jan | Frontier Airlines | ||
| 21 Jan - 28 Jan | Frontier Airlines | ||
| 20 Jan - 24 Jan | KLM | ||
| 20 Jan - 03 Feb | KLM |
Also check the deals for one-way flights from Chicago to Istanbul in January.
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