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

Return flights

13 Oct - 23 Oct	Scandinavian Airlines	direct
06 Oct - 09 Oct	KLM
10 Oct - 23 Oct	Norwegian
06 Oct - 23 Oct	Norwegian
03 Oct - 23 Oct	Norwegian
03 Oct - 09 Oct	Norwegian
03 Oct - 05 Oct	Scandinavian Airlines

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 $172

Return flights