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

Return flights

08 Dec - 17 Dec	Lufthansa
01 Dec - 15 Dec	Lufthansa
02 Dec - 12 Dec	Lufthansa
10 Dec - 15 Dec	Lufthansa
02 Dec - 22 Dec	Lufthansa
15 Dec - 24 Dec	Lufthansa
26 Dec - 02 Jan	Lufthansa
10 Dec - 11 Jan	Lufthansa
05 Dec - 02 Jan	Lufthansa
22 Dec - 02 Jan	Lufthansa
19 Dec - 26 Dec	Lufthansa
16 Dec - 01 Jan	Lufthansa
17 Dec - 28 Dec	Lufthansa
19 Dec - 11 Jan	Lufthansa
27 Dec - 05 Jan	SWISS
20 Dec - 02 Jan	SWISS
17 Dec - 07 Jan	SWISS
18 Dec - 07 Jan	British Airways

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 $600

Return flights