AirHint found the following cheapest return flights from Duesseldorf (DUS) to Tromso (TOS) in October 2025 (see full year).

Return flights

21 Oct - 28 Oct	Scandinavian Airlines
01 Oct - 07 Oct	Scandinavian Airlines
01 Oct - 08 Oct	Scandinavian Airlines
25 Oct - 29 Oct	Scandinavian Airlines
03 Oct - 08 Oct	Scandinavian Airlines
10 Oct - 15 Oct	Norwegian
21 Oct - 24 Oct	Scandinavian Airlines
25 Oct - 01 Nov	Scandinavian Airlines
13 Oct - 18 Oct	Norwegian
23 Oct - 01 Nov	Scandinavian Airlines
02 Oct - 06 Oct	Scandinavian Airlines
04 Oct - 11 Oct	Lufthansa
28 Oct - 01 Nov	Ryanair

Also check the deals for one-way flights from Duesseldorf to Tromso 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 Duesseldorf to Tromso in October from $194

Return flights