Cheapest return flights from Los Angeles to London in December from $624

Best time to book flights for Los Angeles (LAX) to London (LHR) flights at AirHint

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

Return flights

03 Dec - 11 Dec Finnair
01 Dec - 11 Dec Aer Lingus
09 Dec - 16 Dec Finnair
30 Dec - 06 Jan Air Canada
10 Dec - 05 Jan Air Canada
08 Dec - 17 Dec Air Canada
03 Dec - 11 Dec Iberia direct
11 Dec - 08 Jan Iberia
08 Dec - 17 Dec Finnair direct
09 Dec - 16 Dec British Airways direct
01 Dec - 11 Dec British Airways direct
02 Dec - 09 Dec Delta direct
08 Dec - 19 Dec American Airlines direct
26 Dec - 11 Jan Scandinavian Airlines
16 Dec - 01 Jan Air Canada
23 Dec - 06 Jan Air Canada
15 Dec - 05 Jan Lufthansa
31 Dec - 07 Jan Delta
14 Dec - 17 Jan United
15 Dec - 04 Jan Lufthansa

Also check the deals for one-way flights from Los Angeles to London 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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