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

Return flights

10 Dec - 17 Dec	easyJet
09 Dec - 15 Dec	Wizz Air UK
11 Dec - 13 Dec	Wizz Air UK
02 Dec - 09 Dec	Wizz Air UK
03 Dec - 10 Dec	Wizz Air UK
02 Dec - 04 Dec	Wizz Air UK
09 Dec - 10 Dec	Wizz Air UK
03 Dec - 04 Dec	Wizz Air UK
09 Dec - 12 Dec	Wizz Air UK
02 Dec - 03 Dec	Wizz Air UK
26 Dec - 08 Jan	Wizz Air
13 Dec - 17 Jan	Vueling Airlines
13 Dec - 09 Jan	Vueling Airlines
10 Dec - 05 Jan	Wizz Air UK
17 Dec - 10 Jan	easyJet
25 Dec - 09 Jan	Wizz Air
13 Dec - 10 Jan	Vueling Airlines
27 Dec - 07 Jan	Wizz Air UK
24 Dec - 07 Jan	Wizz Air
31 Dec - 06 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 81€

Return flights