AirHint found the following cheapest return flights from Keflavik (KEF) to Banja Luka (BNX) in December 2025 (see full year).
Return flights
| 13 Dec - 04 Jan | easyJet | ||
| 14 Dec - 04 Jan | Scandinavian Airlines | ||
| 19 Dec - 02 Jan | easyJet | ||
| 19 Dec - 04 Jan | easyJet |
Also check the deals for one-way flights from Keflavik to Banja Luka in December.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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