AirHint found the following cheapest return flights from London (LCY) to Los Angeles (LAX) in December 2026 (see full year).

Return flights

03 Dec - 08 Dec	SWISS
03 Dec - 09 Dec	SWISS
29 Dec - 09 Jan	SWISS
01 Dec - 14 Dec	SWISS
24 Dec - 07 Jan	SWISS
26 Dec - 07 Jan	SWISS
14 Dec - 21 Dec	SWISS
02 Dec - 16 Dec	SWISS
11 Dec - 15 Dec	SWISS
16 Dec - 06 Jan	SWISS
12 Dec - 28 Dec	SWISS
08 Dec - 29 Dec	SWISS
29 Dec - 06 Jan	SWISS
17 Dec - 22 Dec	SWISS
11 Dec - 21 Dec	Iberia
30 Dec - 08 Jan	SWISS
25 Dec - 04 Jan	SWISS
28 Dec - 04 Jan	SWISS
25 Dec - 08 Jan	SWISS
26 Dec - 08 Jan	SWISS

Also check the deals for one-way flights from London to Los Angeles 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 Los Angeles in December from 468€

Return flights