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

Return flights

09 Dec - 15 Dec	KLM
02 Dec - 14 Dec	KLM
01 Dec - 11 Dec	Lufthansa
01 Dec - 15 Dec	Lufthansa
01 Dec - 09 Dec	Lufthansa
01 Dec - 08 Dec	Lufthansa
08 Dec - 14 Dec	Lufthansa
01 Dec - 14 Dec	Lufthansa
04 Dec - 07 Dec	Lufthansa
11 Dec - 16 Dec	Lufthansa
08 Dec - 19 Jan	Lufthansa
09 Dec - 15 Jan	KLM
10 Dec - 20 Jan	Lufthansa
29 Dec - 05 Jan	ITA Airways
26 Dec - 18 Jan	KLM
26 Dec - 19 Jan	Lufthansa
26 Dec - 20 Jan	Lufthansa
18 Dec - 05 Jan	ITA Airways
24 Dec - 13 Jan	KLM
12 Dec - 19 Jan	SWISS

Also check the deals for one-way flights from London to Beirut 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 Beirut in December from $556

Return flights