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

Return flights

07 Dec - 09 Dec	Wizz Air Malta
15 Dec - 16 Jan	Wizz Air Malta
14 Dec - 15 Jan	KLM
14 Dec - 16 Jan	KLM
15 Dec - 17 Jan	KLM
24 Dec - 31 Dec	Wizz Air
01 Dec - 06 Dec	Wizz Air
31 Dec - 05 Jan	KLM
25 Dec - 28 Dec	Wizz Air Malta
31 Dec - 31 Dec	KLM
19 Dec - 23 Dec	KLM
20 Dec - 22 Dec	LOT
20 Dec - 23 Dec	KLM
27 Dec - 03 Jan	Wizz Air Malta
20 Dec - 21 Dec	Air France
29 Dec - 03 Jan	Scandinavian Airlines
20 Dec - 20 Dec	KLM
29 Dec - 02 Jan	Scandinavian Airlines

Also check the deals for one-way flights from Billund to Lisbon 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.

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Cheapest return flights from Billund to Lisbon in December from 181€

Return flights