AirHint found the following cheapest return flights from Karlsruhe/Baden-Baden (FKB) to Banja Luka (BNX) in December 2025 (see full year).

Return flights

01 Dec - 05 Dec	Ryanair	direct
28 Dec - 29 Dec	Ryanair	direct
26 Dec - 29 Dec	Ryanair	direct
26 Dec - 28 Dec	Ryanair	direct
28 Dec - 12 Jan	Ryanair	direct
28 Dec - 02 Jan	Ryanair	direct
28 Dec - 05 Jan	Ryanair	direct
29 Dec - 02 Jan	Ryanair	direct
29 Dec - 05 Jan	Ryanair	direct
21 Dec - 28 Dec	Ryanair	direct
28 Dec - 04 Jan	Ryanair	direct
22 Dec - 28 Dec	Ryanair	direct
29 Dec - 04 Jan	Ryanair	direct
26 Dec - 02 Jan	Ryanair	direct
26 Dec - 05 Jan	Ryanair	direct
26 Dec - 04 Jan	Ryanair	direct

Also check the deals for one-way flights from Karlsruhe/Baden-Baden to Banja Luka in December.

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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Cheapest return flights from Karlsruhe/Baden-Baden to Banja Luka in December from 37€

Return flights