Cheapest return flights from Oslo to Trondheim in December from 125€

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

Return flights

12 Dec - 14 Dec Norwegian direct
04 Dec - 14 Dec Norwegian direct
01 Dec - 14 Dec Norwegian direct
02 Dec - 14 Dec Norwegian direct
03 Dec - 14 Dec Norwegian direct
05 Dec - 14 Dec Norwegian direct
10 Dec - 14 Dec Norwegian direct
31 Dec - 14 Jan Norwegian direct
22 Dec - 04 Jan Norwegian direct
04 Dec - 18 Dec Norwegian direct
01 Dec - 18 Dec Norwegian direct
02 Dec - 18 Dec Norwegian direct
28 Dec - 14 Jan Norwegian direct
24 Dec - 14 Jan Norwegian direct
29 Dec - 14 Jan Norwegian direct
30 Dec - 14 Jan Norwegian direct
16 Dec - 02 Jan Norwegian direct
17 Dec - 02 Jan Norwegian direct
31 Dec - 02 Jan Norwegian direct
16 Dec - 04 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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