AirHint found the following cheapest one-way flights from Istanbul (IST) to Barcelona (BCN) in September 2026 (see full year).
One-Way flights
| 29 Sep | Wizz Air UK | ||
| 22 Sep | AJet | ||
| 30 Sep | AJet | ||
| 26 Sep | AJet | ||
| 24 Sep | AJet | ||
| 21 Sep | AJet | ||
| 08 Sep | AJet | ||
| 29 Sep | Pegasus Airlines | direct | |
| 12 Sep | AJet | ||
| 03 Sep | AJet |
Also check the deals for return flights from Istanbul to Barcelona in September.
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