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

Return flights

11 Oct - 25 Oct	Vueling Airlines	direct
04 Oct - 18 Oct	Vueling Airlines	direct
11 Oct - 18 Oct	Vueling Airlines	direct
04 Oct - 06 Oct	Vueling Airlines
04 Oct - 12 Oct	Vueling Airlines
04 Oct - 13 Oct	Vueling Airlines
04 Oct - 11 Oct	Vueling Airlines	direct
08 Oct - 15 Oct	Wizz Air Malta
03 Oct - 12 Oct	KLM
18 Oct - 25 Oct	Vueling Airlines	direct

Also check the deals for one-way flights from Barcelona to Billund 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 Barcelona to Billund in October from 94€

Return flights