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

Return flights

04 Dec - 08 Dec	easyJet
06 Dec - 08 Dec	Wizz Air
11 Dec - 15 Jan	easyJet
04 Dec - 06 Dec	easyJet
05 Dec - 06 Dec	Wizz Air
11 Dec - 14 Dec	easyJet
05 Dec - 08 Dec	Wizz Air
04 Dec - 07 Dec	easyJet
06 Dec - 06 Dec	Ryanair
09 Dec - 09 Dec	Ryanair
02 Dec - 04 Dec	Ryanair
28 Dec - 13 Jan	Wizz Air
18 Dec - 12 Jan	easyJet
15 Dec - 12 Jan	Wizz Air
30 Dec - 04 Jan	Wizz Air
13 Dec - 11 Jan	Wizz Air
11 Dec - 04 Jan	easyJet
18 Dec - 11 Jan	easyJet
27 Dec - 05 Jan	Wizz Air
31 Dec - 03 Jan	easyJet

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 171€

Return flights