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

Return flights

04 Dec - 08 Dec	Wizz Air Malta
05 Dec - 08 Dec	Wizz Air Malta
01 Dec - 04 Dec	Wizz Air
12 Dec - 15 Dec	Wizz Air
23 Dec - 28 Dec	Wizz Air
30 Dec - 30 Jan	Wizz Air Malta
21 Dec - 26 Dec	Air France
04 Dec - 06 Dec	Air France
31 Dec - 04 Jan	Air France
29 Dec - 01 Jan	Wizz Air Malta
22 Dec - 03 Jan	Air France
27 Dec - 03 Jan	KLM
29 Dec - 03 Jan	KLM
26 Dec - 02 Jan	KLM

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 130€

Return flights