Cheapest return flights from London to Bucharest in December from $146

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

Return flights

07 Dec - 08 Dec British Airways direct
02 Dec - 04 Dec British Airways direct
10 Dec - 14 Dec British Airways direct
10 Dec - 15 Jan British Airways direct
03 Dec - 07 Dec British Airways direct
06 Dec - 14 Dec British Airways direct
04 Dec - 07 Dec British Airways direct
08 Dec - 11 Dec British Airways direct
27 Dec - 13 Jan British Airways direct
01 Dec - 04 Dec British Airways direct
31 Dec - 01 Jan British Airways direct
11 Dec - 26 Dec British Airways direct
12 Dec - 14 Dec Eurowings
16 Dec - 15 Jan KLM
16 Dec - 12 Jan KLM
28 Dec - 01 Jan British Airways direct
21 Dec - 09 Jan Aegean Airlines
16 Dec - 12 Jan British Airways direct
25 Dec - 01 Jan British Airways direct
20 Dec - 13 Jan Aegean Airlines

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.

Book a cheap hotel in Bucharest

Cheap car rent in Bucharest

Feel free to contact us with any feedback or request another flight research.