AirHint found the following cheapest return flights from Belgrade (BEG) to Banja Luka (BNX) in April 2026 (see full year).
Return flights
| 06 Apr - 10 Apr | Air Serbia | direct | |
| 03 Apr - 13 Apr | Air Serbia | direct | |
| 04 Apr - 13 Apr | Wizz Air | ||
| 05 Apr - 13 Apr | Wizz Air | ||
| 04 Apr - 08 Apr | Austrian Airlines |
Also check the deals for one-way flights from Belgrade to Banja Luka in April.
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