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

Return flights

19 Mar - 23 Mar	TAP
02 Mar - 10 Mar	Scandinavian Airlines
03 Mar - 10 Mar	Air Canada
03 Mar - 13 Mar	TAP
03 Mar - 15 Mar	SWISS
02 Mar - 12 Mar	Scandinavian Airlines
03 Mar - 12 Mar	Scandinavian Airlines
23 Mar - 30 Mar	Air Canada
20 Mar - 29 Mar	LOT
16 Mar - 23 Mar	Scandinavian Airlines
23 Mar - 08 Apr	SWISS
23 Mar - 15 Apr	SWISS
25 Mar - 30 Apr	SWISS
15 Mar - 18 Apr	LEVEL
30 Mar - 14 Apr	SWISS
30 Mar - 08 Apr	SWISS
24 Mar - 04 Apr	LEVEL
31 Mar - 08 Apr	SWISS
30 Mar - 06 Apr	Lufthansa
30 Mar - 10 Apr	SWISS

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

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 Los Angeles to London in March from $574

Return flights