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

Return flights

05 Oct - 09 Oct	Norwegian	direct
05 Oct - 16 Oct	Norwegian	direct
12 Oct - 16 Oct	Norwegian	direct
05 Oct - 23 Oct	Norwegian	direct
12 Oct - 23 Oct	Norwegian	direct
19 Oct - 23 Oct	Norwegian	direct
05 Oct - 12 Oct	Norwegian	direct
18 Oct - 23 Oct	Vueling Airlines
05 Oct - 10 Oct	Norwegian
05 Oct - 19 Oct	Norwegian	direct

Also check the deals for one-way flights from Oslo to Geneva 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 Oslo to Geneva in October from $105

Return flights