Cheapest one-way flights from Oslo to Trondheim in September from $38

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

One-Way flights

24 Sep Wizz Air
29 Sep Wizz Air
22 Sep Wizz Air
26 Sep Wizz Air
25 Sep Norwegian direct
23 Sep Norwegian direct
24 Sep Norwegian direct
26 Sep Norwegian direct
22 Sep Norwegian direct
20 Sep Norwegian direct

Also check the deals for return 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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