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

Return flights

05 Dec - 07 Dec	Wizz Air
04 Dec - 07 Dec	Wizz Air
04 Dec - 06 Dec	Wizz Air
29 Dec - 01 Jan	Wizz Air
16 Dec - 24 Dec	Wizz Air
22 Dec - 26 Dec	Wizz Air
04 Dec - 08 Dec	easyJet
23 Dec - 02 Jan	easyJet
20 Dec - 27 Dec	easyJet
20 Dec - 22 Dec	easyJet

Also check the deals for one-way flights from London to Billund 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 London to Billund in December from 137€

Return flights