AirHint found the following cheapest return flights from Vienna (VIE) to Banja Luka (BNX) in September 2026 (see full year).
Return flights
| 05 Sep - 12 Sep | Ryanair | direct | |
| 07 Sep - 12 Sep | Ryanair | direct | |
| 07 Sep - 14 Sep | Ryanair | direct | |
| 05 Sep - 14 Sep | Ryanair | direct | |
| 02 Sep - 07 Sep | Ryanair | ||
| 06 Sep - 14 Sep | Lufthansa |
Also check the deals for one-way flights from Vienna to Banja Luka in September.
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