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

One-Way flights

02 Dec	Scandinavian Airlines	direct
03 Dec	Scandinavian Airlines	direct
04 Dec	Scandinavian Airlines	direct
05 Dec	Scandinavian Airlines	direct
06 Dec	Scandinavian Airlines	direct
23 Dec	Scandinavian Airlines	direct
30 Dec	Scandinavian Airlines	direct
13 Dec	Scandinavian Airlines
27 Dec	Scandinavian Airlines
20 Dec	Scandinavian Airlines	direct

Also check the deals for return flights from Stockholm to Trondheim 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 one-way flights from Stockholm to Trondheim in December from 54€

One-Way flights