AirHint found the following cheapest return flights from Tromso (TOS) to Copenhagen (CPH) in September 2025 (see full year).

Return flights

13 Sep - 16 Sep	Scandinavian Airlines
21 Sep - 24 Sep	Norwegian
21 Sep - 08 Oct	Norwegian
14 Sep - 17 Sep	Norwegian
02 Sep - 05 Sep	Norwegian
02 Sep - 03 Sep	Norwegian
03 Sep - 05 Sep	Norwegian
10 Sep - 24 Sep	Norwegian
24 Sep - 08 Oct	Norwegian
06 Sep - 24 Sep	Norwegian
17 Sep - 24 Sep	Norwegian
17 Sep - 08 Oct	Norwegian
02 Sep - 17 Sep	Norwegian
21 Sep - 10 Oct	Norwegian
21 Sep - 07 Oct	Norwegian
21 Sep - 01 Oct	Norwegian
23 Sep - 08 Oct	Norwegian
27 Sep - 01 Oct	Scandinavian Airlines
21 Sep - 09 Oct	Norwegian
24 Sep - 14 Oct	Norwegian

Also check the deals for one-way flights from Tromso 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 return flights from Tromso to Copenhagen in September from $240

Return flights