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

Return flights

23 Oct - 26 Oct	Norwegian
09 Oct - 12 Oct	Norwegian	direct
07 Oct - 12 Oct	Wizz Air
09 Oct - 13 Oct	Wizz Air
09 Oct - 16 Oct	Norwegian	direct
05 Oct - 12 Oct	Wizz Air
12 Oct - 16 Oct	Wizz Air
16 Oct - 19 Oct	Wizz Air
02 Oct - 06 Oct	Wizz Air
12 Oct - 16 Oct	Norwegian	direct
25 Oct - 04 Nov	Wizz Air

Also check the deals for one-way flights from Basel to Oslo 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 Basel to Oslo in October from $125

Return flights