AirHint found the following cheapest return flights from London (LGW) to Bucharest (BBU) in December 2025 (see full year).

Return flights

25 Dec - 09 Jan	Wizz Air
11 Dec - 15 Dec	Wizz Air
15 Dec - 17 Jan	Wizz Air
10 Dec - 13 Dec	Wizz Air
11 Dec - 12 Dec	Wizz Air
25 Dec - 26 Dec	Wizz Air
29 Dec - 31 Dec	Wizz Air UK
28 Dec - 31 Dec	Wizz Air
17 Dec - 17 Jan	Wizz Air
13 Dec - 15 Dec	Vueling Airlines
25 Dec - 06 Jan	Wizz Air
16 Dec - 20 Dec	Vueling Airlines
19 Dec - 22 Dec	easyJet
12 Dec - 16 Dec	Vueling Airlines
31 Dec - 11 Jan	Vueling Airlines
19 Dec - 10 Jan	Vueling Airlines
26 Dec - 07 Jan	Norwegian Air Sweden AOC
26 Dec - 06 Jan	Norwegian Air Sweden AOC
30 Dec - 01 Jan	Wizz Air
20 Dec - 08 Jan	Wizz Air

Also check the deals for one-way flights from London to Bucharest 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 Bucharest in December from $191

Return flights