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

Return flights

09 Dec - 12 Dec	Wizz Air UK
10 Dec - 17 Dec	easyJet
11 Dec - 16 Dec	easyJet
07 Dec - 17 Dec	easyJet
11 Dec - 15 Dec	easyJet
11 Dec - 18 Dec	easyJet
09 Dec - 16 Dec	Wizz Air UK
11 Dec - 13 Dec	easyJet
09 Dec - 15 Dec	Wizz Air UK
07 Dec - 13 Dec	easyJet
31 Dec - 15 Jan	easyJet
15 Dec - 11 Jan	easyJet
31 Dec - 11 Jan	easyJet
31 Dec - 09 Jan	easyJet
15 Dec - 08 Jan	easyJet
09 Dec - 12 Jan	Wizz Air UK
18 Dec - 15 Jan	easyJet
31 Dec - 12 Jan	Wizz Air
17 Dec - 01 Jan	easyJet
13 Dec - 17 Jan	Vueling Airlines

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 89€

Return flights