AirHint found the following cheapest one-way flights from Trondheim (TRD) to Copenhagen (CPH) in September 2025 (see full year).

One-Way flights

08 Sep	Scandinavian Airlines	direct
14 Sep	Scandinavian Airlines	direct
29 Sep	Scandinavian Airlines	direct
30 Sep	Scandinavian Airlines	direct
22 Sep	Scandinavian Airlines	direct
23 Sep	Scandinavian Airlines	direct
11 Sep	Scandinavian Airlines
15 Sep	Scandinavian Airlines
02 Sep	Scandinavian Airlines	direct
11 Sep	Scandinavian Airlines	direct

Also check the deals for return flights from Trondheim to Copenhagen in September.

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 Trondheim to Copenhagen in September from $74

One-Way flights