Cheapest return flights from Helsinki to Banja Luka in December from $131

AirHint found the following cheapest return flights from Helsinki (HEL) to Banja Luka (BNX) in December 2025 (see full year).

Return flights

01 Dec - 08 Dec Norwegian Air Sweden AOC
14 Dec - 28 Dec Norwegian Air Sweden AOC

Also check the deals for one-way flights from Helsinki 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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