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

Return flights

20 Oct - 25 Oct	Scandinavian Airlines
06 Oct - 09 Oct	Scandinavian Airlines	direct
18 Oct - 20 Oct	Scandinavian Airlines	direct
20 Oct - 25 Oct	Scandinavian Airlines	direct
07 Oct - 12 Oct	Wizz Air
23 Oct - 26 Oct	Scandinavian Airlines
13 Oct - 23 Oct	Norwegian
13 Oct - 14 Oct	Norwegian
13 Oct - 16 Oct	Norwegian
05 Oct - 06 Oct	Norwegian

Also check the deals for one-way flights from Trondheim to Copenhagen 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 Copenhagen in October from 106€

Return flights