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

Return flights

10 Mar - 18 Mar	TAP
04 Mar - 09 Mar	SWISS
09 Mar - 18 Mar	Frontier Airlines
03 Mar - 12 Mar	Frontier Airlines
01 Mar - 10 Mar	SWISS
05 Mar - 18 Mar	Air Canada
23 Mar - 29 Mar	Brussels Airlines
02 Mar - 12 Mar	SWISS
05 Mar - 13 Mar	Brussels Airlines
08 Mar - 16 Mar	LEVEL
25 Mar - 08 Apr	Frontier Airlines
26 Mar - 10 Apr	Turkish Airlines
25 Mar - 03 Apr	Aer Lingus
26 Mar - 06 Apr	Frontier Airlines
18 Mar - 03 Apr	Aer Lingus
25 Mar - 11 Apr	Frontier Airlines
27 Mar - 05 Apr	LOT
26 Mar - 03 Apr	Turkish Airlines
27 Mar - 04 Apr	Aer Lingus
26 Mar - 04 Apr	Frontier Airlines

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 433€

Return flights