AirHint found the following cheapest return flights from Geneva (GVA) to Oslo (OSL) in September 2026 (see full year).

Return flights

03 Sep - 13 Sep	Norwegian	direct
17 Sep - 04 Oct	Norwegian	direct
10 Sep - 13 Sep	Norwegian	direct
17 Sep - 27 Sep	Norwegian	direct
06 Sep - 13 Sep	Lufthansa
11 Sep - 13 Sep	SWISS
10 Sep - 27 Sep	Norwegian	direct
20 Sep - 04 Oct	Norwegian	direct
20 Sep - 11 Oct	Norwegian	direct
20 Sep - 27 Sep	Norwegian	direct
07 Sep - 14 Sep	Lufthansa
06 Sep - 13 Sep	Norwegian	direct
13 Sep - 04 Oct	Norwegian	direct
13 Sep - 27 Sep	Norwegian	direct
20 Sep - 10 Oct	Norwegian

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

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 Geneva to Oslo in September from 104€

Return flights