Cheapest return flights from Trondheim to Oslo in December from $102

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

Return flights

01 Dec - 05 Dec Norwegian direct
01 Dec - 04 Dec Norwegian direct
01 Dec - 02 Dec Norwegian direct
05 Dec - 07 Dec Wideroe
07 Dec - 11 Dec Norwegian direct
07 Dec - 15 Dec Norwegian direct
07 Dec - 07 Dec Norwegian direct
01 Dec - 06 Dec Norwegian direct
01 Dec - 11 Dec Norwegian direct
01 Dec - 15 Dec Norwegian direct
16 Dec - 02 Jan Wideroe direct
29 Dec - 07 Jan Norwegian direct
29 Dec - 08 Jan Norwegian direct
29 Dec - 05 Jan Norwegian direct
29 Dec - 06 Jan Norwegian direct
29 Dec - 02 Jan Norwegian direct
13 Dec - 02 Jan Norwegian direct
29 Dec - 03 Jan Norwegian direct
13 Dec - 03 Jan Norwegian direct
29 Dec - 04 Jan Norwegian direct

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