Cheapest return flights from London to Bucharest in December from $275

Best time to book flights for London (LCY) to Bucharest (OTP) flights at AirHint

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

Return flights

09 Dec - 13 Dec KLM
11 Dec - 13 Dec Lufthansa
03 Dec - 19 Dec Lufthansa
01 Dec - 04 Dec Lufthansa
15 Dec - 17 Dec Lufthansa
30 Dec - 11 Jan SWISS
12 Dec - 14 Dec Lufthansa
26 Dec - 02 Jan KLM
01 Dec - 10 Dec Lufthansa
04 Dec - 08 Dec Lufthansa
29 Dec - 13 Jan KLM
15 Dec - 22 Dec Lufthansa
05 Dec - 08 Dec ITA Airways
17 Dec - 03 Jan Lufthansa
24 Dec - 06 Jan SWISS
22 Dec - 11 Jan Lufthansa
28 Dec - 01 Jan KLM
24 Dec - 04 Jan SWISS
13 Dec - 11 Jan SWISS
23 Dec - 03 Jan KLM

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

Skyscanner

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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