AirHint found the following cheapest return flights from Istanbul (SAW) to Basel (BSL) in September 2026 (see full year).
Return flights
| 17 Sep - 23 Sep | Pegasus Airlines | direct | |
| 07 Sep - 12 Sep | AJet | direct | |
| 06 Sep - 12 Sep | AJet | direct | |
| 04 Sep - 10 Sep | Pegasus Airlines |
Also check the deals for one-way flights from Istanbul to Basel in September.
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