Cheapest return flights from London to Bucharest in December from $132

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

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

Return flights

08 Dec - 10 Dec British Airways direct
11 Dec - 15 Dec British Airways direct
27 Dec - 29 Dec British Airways direct
27 Dec - 02 Jan British Airways direct
30 Dec - 02 Jan British Airways direct
01 Dec - 06 Dec British Airways direct
06 Dec - 07 Dec British Airways direct
04 Dec - 07 Dec British Airways direct
12 Dec - 14 Dec Air Serbia
05 Dec - 07 Dec British Airways direct
05 Dec - 06 Dec British Airways direct
12 Dec - 14 Dec British Airways direct
25 Dec - 02 Jan British Airways direct
29 Dec - 03 Jan British Airways
16 Dec - 06 Jan British Airways direct
25 Dec - 03 Jan British Airways
12 Dec - 03 Jan Air Serbia
17 Dec - 05 Jan LOT
31 Dec - 04 Jan British Airways
29 Dec - 03 Jan British Airways direct

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

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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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