Cheapest one-way flights from Oslo to Trondheim in December from $63

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

One-Way flights

07 Dec Norwegian
09 Dec Ryanair
17 Dec Norwegian direct
16 Dec Norwegian direct
15 Dec Norwegian direct
14 Dec Ryanair
04 Dec Wideroe direct
24 Dec Wideroe direct
18 Dec Wideroe direct
03 Dec Norwegian direct

Also check the deals for return 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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