AirHint found the following cheapest return flights from Trondheim (TRD) to Stockholm (ARN) in October 2025 (see full year).

Return flights

14 Oct - 17 Oct	Wizz Air
24 Oct - 26 Oct	Scandinavian Airlines
02 Oct - 06 Oct	Scandinavian Airlines
01 Oct - 05 Oct	Scandinavian Airlines
17 Oct - 19 Oct	Scandinavian Airlines
10 Oct - 12 Oct	Norwegian

Also check the deals for one-way flights from Trondheim to Stockholm in October.

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 return flights from Trondheim to Stockholm in October from 89€

Return flights