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

Return flights

25 Oct - 27 Oct	Vueling Airlines
25 Oct - 29 Oct	Vueling Airlines
04 Oct - 06 Oct	Vueling Airlines
25 Oct - 30 Oct	Vueling Airlines
04 Oct - 11 Oct	Vueling Airlines
24 Oct - 27 Oct	Wizz Air
04 Oct - 11 Oct	Vueling Airlines	direct
20 Oct - 10 Nov	Wizz Air
18 Oct - 24 Oct	Vueling Airlines
04 Oct - 25 Oct	Vueling Airlines	direct
08 Oct - 12 Oct	Wizz Air Malta
31 Oct - 07 Nov	Scandinavian Airlines
30 Oct - 02 Nov	Wizz Air Malta

Also check the deals for one-way flights from Billund to Barcelona 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 Barcelona in October from 70€

Return flights