Cheapest return flights from Oslo to Trondheim in December from $131

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

Return flights

02 Dec - 06 Dec Wizz Air
06 Dec - 08 Dec Wideroe
03 Dec - 04 Dec Norwegian direct
03 Dec - 13 Dec Norwegian direct
02 Dec - 06 Dec Wideroe direct
02 Dec - 05 Dec Wideroe direct
06 Dec - 13 Dec Norwegian direct
23 Dec - 24 Dec Wideroe direct
03 Dec - 19 Dec Norwegian direct
03 Dec - 16 Dec Norwegian direct
29 Dec - 12 Jan Norwegian direct
29 Dec - 15 Jan Norwegian direct
29 Dec - 13 Jan Norwegian direct
24 Dec - 12 Jan Norwegian direct
24 Dec - 13 Jan Norwegian direct
30 Dec - 12 Jan Norwegian direct
30 Dec - 15 Jan Norwegian direct
30 Dec - 13 Jan Norwegian direct
28 Dec - 12 Jan Norwegian direct
28 Dec - 15 Jan Norwegian direct

Also check the deals for one-way flights from Oslo to Trondheim 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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