AirHint found the following cheapest one-way flights from Frankfurt (FRA) to Istanbul (IST) in October 2026 (see full year).
One-Way flights
| 17 Oct | Pegasus Airlines | direct | |
| 02 Oct | Air Serbia | ||
| 10 Oct | Pegasus Airlines | ||
| 02 Oct | Pegasus Airlines | direct | |
| 10 Oct | Pegasus Airlines | direct |
Also check the deals for return flights from Frankfurt to Istanbul in October.
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