AirHint found the following cheapest return flights from Bergen (BGO) to Trondheim (TRD) in December 2025 (see full year).

Return flights

07 Dec - 08 Dec	Norwegian	direct
07 Dec - 14 Dec	Norwegian	direct
07 Dec - 15 Dec	Norwegian	direct
07 Dec - 12 Dec	Norwegian	direct
07 Dec - 11 Dec	Norwegian	direct
07 Dec - 18 Dec	Norwegian	direct
07 Dec - 07 Dec	Norwegian
07 Dec - 19 Dec	Norwegian	direct
07 Dec - 21 Dec	Norwegian	direct
07 Dec - 23 Dec	Norwegian
26 Dec - 06 Jan	Norwegian
28 Dec - 06 Jan	Norwegian

Also check the deals for one-way flights from Bergen to Trondheim 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 Bergen to Trondheim in December from $121

Return flights