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

Return flights

04 Mar - 11 Mar	SWISS
29 Mar - 06 Apr	SWISS
08 Mar - 15 Mar	Scandinavian Airlines
04 Mar - 08 Mar	Scandinavian Airlines
05 Mar - 12 Mar	Scandinavian Airlines
19 Mar - 26 Mar	Scandinavian Airlines
30 Mar - 11 Apr	SWISS
05 Mar - 08 Mar	SWISS
10 Mar - 20 Mar	Turkish Airlines
04 Mar - 27 Mar	SWISS
03 Mar - 28 Mar	SWISS
27 Mar - 06 Apr	SWISS
10 Mar - 24 Apr	TAP
27 Mar - 05 Apr	Aer Lingus
29 Mar - 12 Apr	Turkish Airlines
12 Mar - 04 Apr	SWISS
27 Mar - 18 Apr	Turkish Airlines
14 Mar - 04 Apr	Aer Lingus
26 Mar - 04 Apr	TAP
03 Mar - 31 Mar	Viva

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 $634

Return flights