Cheapest return flights from Oslo to Trondheim in October from $89

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

Return flights

20 Oct - 20 Oct Norwegian direct
25 Oct - 26 Oct Norwegian direct
25 Oct - 27 Oct Norwegian direct
25 Oct - 28 Oct Norwegian direct
03 Oct - 07 Oct Norwegian direct
03 Oct - 12 Oct Norwegian direct
03 Oct - 13 Oct Norwegian direct
03 Oct - 14 Oct Norwegian direct
03 Oct - 15 Oct Norwegian direct
03 Oct - 16 Oct Norwegian direct
25 Oct - 01 Nov Norwegian direct
25 Oct - 02 Nov Norwegian direct
25 Oct - 03 Nov Norwegian direct
25 Oct - 04 Nov Norwegian direct
25 Oct - 08 Nov Norwegian direct
25 Oct - 09 Nov Norwegian direct
25 Oct - 10 Nov Norwegian direct
25 Oct - 11 Nov Norwegian direct
13 Oct - 01 Nov Norwegian direct
13 Oct - 02 Nov Norwegian direct

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

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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