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

Return flights

01 Dec - 02 Dec	Norwegian
01 Dec - 18 Dec	Norwegian	direct
07 Dec - 18 Dec	Norwegian	direct
08 Dec - 18 Dec	Norwegian	direct
14 Dec - 18 Dec	Norwegian	direct
01 Dec - 22 Dec	Norwegian	direct
07 Dec - 22 Dec	Norwegian	direct
08 Dec - 22 Dec	Norwegian	direct
14 Dec - 22 Dec	Norwegian	direct
15 Dec - 18 Dec	Norwegian	direct
18 Dec - 07 Jan	Norwegian
19 Dec - 07 Jan	Norwegian
21 Dec - 07 Jan	Norwegian
22 Dec - 07 Jan	Norwegian
26 Dec - 07 Jan	Norwegian
29 Dec - 07 Jan	Norwegian
28 Dec - 07 Jan	Norwegian

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

Return flights