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

Return flights

01 Dec - 07 Dec	Wizz Air
02 Dec - 06 Dec	Wizz Air
01 Dec - 06 Dec	Wizz Air
07 Dec - 09 Dec	Wizz Air Malta
07 Dec - 10 Dec	Wizz Air Malta
05 Dec - 12 Dec	KLM
15 Dec - 18 Dec	KLM
16 Dec - 26 Dec	KLM
05 Dec - 09 Dec	KLM
12 Dec - 14 Dec	KLM
08 Dec - 04 Jan	Wizz Air
24 Dec - 02 Jan	Norwegian Air Sweden AOC
28 Dec - 06 Jan	British Airways
20 Dec - 05 Jan	KLM
23 Dec - 02 Jan	Wizz Air
30 Dec - 05 Jan	Wizz Air
27 Dec - 02 Jan	Wizz Air Malta
26 Dec - 01 Jan	Scandinavian Airlines
27 Dec - 01 Jan	Wizz Air Malta
28 Dec - 04 Jan	Wizz Air Malta

Also check the deals for one-way flights from Billund to Barcelona in December.

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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona

Cheapest return flights from Billund to Barcelona in December from 134€

Return flights