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

Return flights

23 Oct - 10 Nov	Norwegian	direct
08 Oct - 14 Oct	Norwegian	direct
08 Oct - 09 Oct	Norwegian	direct
11 Oct - 14 Oct	Norwegian
09 Oct - 14 Oct	Norwegian	direct
11 Oct - 14 Oct	Norwegian	direct
08 Oct - 26 Oct	Norwegian	direct
23 Oct - 26 Oct	Norwegian	direct
14 Oct - 26 Oct	Norwegian	direct
09 Oct - 26 Oct	Norwegian	direct
11 Oct - 26 Oct	Norwegian	direct
26 Oct - 11 Nov	Norwegian	direct

Also check the deals for one-way flights from Billund 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 Billund to Oslo in October from 112€

Return flights