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

Return flights

01 Dec - 06 Dec	Wizz Air Malta
08 Dec - 13 Dec	Wizz Air Malta
05 Dec - 08 Dec	Wizz Air Malta
01 Dec - 01 Dec	Air France
29 Dec - 02 Jan	Wizz Air Malta
30 Dec - 02 Jan	KLM
11 Dec - 14 Dec	Air France
30 Dec - 04 Jan	KLM
19 Dec - 26 Dec	KLM
31 Dec - 04 Jan	KLM
04 Dec - 07 Dec	KLM
20 Dec - 23 Dec	KLM
27 Dec - 03 Jan	KLM
18 Dec - 02 Jan	Air France

Also check the deals for one-way flights from Billund to London 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 London in December from $98

Return flights