AirHint found the following cheapest return flights from London (LGW) to Los Angeles (LAX) in December 2025 (see full year).

Return flights

02 Dec - 09 Dec	SWISS
15 Dec - 10 Jan	TAP
06 Dec - 15 Dec	SWISS
17 Dec - 06 Jan	TAP
24 Dec - 06 Jan	TAP
09 Dec - 13 Jan	SWISS
15 Dec - 30 Dec	TAP
15 Dec - 03 Jan	TAP
24 Dec - 03 Jan	TAP
01 Dec - 07 Dec	SWISS
01 Dec - 14 Dec	SWISS
06 Dec - 11 Dec	SWISS
02 Dec - 07 Dec	SWISS
01 Dec - 10 Dec	SWISS
15 Dec - 01 Jan	TAP
17 Dec - 03 Jan	TAP
03 Dec - 10 Dec	SWISS
04 Dec - 09 Dec	SWISS
22 Dec - 06 Jan	TAP
29 Dec - 03 Jan	TAP

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.

Book a cheap hotel in Los Angeles

Cheap car rent in Los Angeles

Cheapest return flights from London to Los Angeles in December from 417€

Return flights