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

Return flights

20 Oct - 23 Oct	Wizz Air
02 Oct - 23 Oct	Norwegian	direct
23 Oct - 26 Oct	Norwegian
19 Oct - 23 Oct	Wizz Air
19 Oct - 23 Oct	Norwegian	direct
09 Oct - 23 Oct	Wizz Air
09 Oct - 23 Oct	Norwegian	direct
12 Oct - 16 Oct	Norwegian
13 Oct - 16 Oct	Wizz Air
21 Oct - 29 Oct	easyJet
25 Oct - 02 Nov	easyJet

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 83€

Return flights