Cheapest return flights from Oslo to Trondheim in September from 72€

AirHint found the following cheapest return flights from Oslo (OSL) to Trondheim (TRD) in September 2025 (see full year).

Return flights

12 Sep - 15 Sep Norwegian direct
12 Sep - 14 Sep Norwegian direct
23 Sep - 25 Sep Norwegian direct
18 Sep - 20 Sep Norwegian direct
18 Sep - 21 Sep Norwegian direct
15 Sep - 18 Oct Norwegian direct
12 Sep - 21 Sep Norwegian direct
18 Sep - 22 Sep Norwegian direct
26 Sep - 30 Sep Norwegian direct
19 Sep - 21 Sep Norwegian direct
15 Sep - 17 Sep Norwegian direct
29 Sep - 06 Oct Wizz Air
29 Sep - 06 Oct Norwegian direct
12 Sep - 01 Oct Norwegian direct
24 Sep - 13 Oct Norwegian direct
24 Sep - 14 Oct Norwegian direct
24 Sep - 07 Oct Norwegian direct
24 Sep - 01 Oct Norwegian direct
24 Sep - 05 Oct Norwegian direct
24 Sep - 08 Oct Norwegian direct

Also check the deals for one-way flights from Oslo to Trondheim in September.

Skyscanner

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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