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

Return flights

11 Dec - 14 Dec	Wizz Air Malta
11 Dec - 12 Dec	Wizz Air Malta
10 Dec - 11 Dec	Wizz Air UK
06 Dec - 08 Dec	Wizz Air Malta
04 Dec - 06 Dec	easyJet
01 Dec - 05 Dec	Wizz Air Malta
04 Dec - 07 Dec	easyJet
05 Dec - 06 Dec	easyJet
08 Dec - 12 Dec	easyJet
02 Dec - 06 Dec	Norwegian Air Sweden AOC
11 Dec - 09 Jan	Wizz Air Malta
17 Dec - 07 Jan	Vueling Airlines
11 Dec - 15 Jan	Aegean Airlines
13 Dec - 11 Jan	easyJet
12 Dec - 03 Jan	Vueling Airlines
28 Dec - 13 Jan	easyJet
23 Dec - 06 Jan	Aegean Airlines
11 Dec - 04 Jan	Wizz Air Malta
18 Dec - 12 Jan	easyJet
25 Dec - 01 Jan	Wizz Air UK

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 132€

Return flights