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

Return flights

02 Mar - 11 Mar	Lufthansa
10 Mar - 16 Mar	SWISS
11 Mar - 24 Mar	SWISS
09 Mar - 17 Mar	Air Canada
02 Mar - 10 Mar	Lufthansa
13 Mar - 19 Mar	LOT
10 Mar - 23 Mar	LOT
24 Mar - 31 Mar	LOT
30 Mar - 05 Apr	SWISS
06 Mar - 16 Mar	LOT
04 Mar - 16 Mar	Air Canada
25 Mar - 07 Apr	LOT
28 Mar - 07 Apr	LOT
28 Mar - 09 Apr	LOT
20 Mar - 05 Apr	LOT
30 Mar - 11 Apr	LOT
28 Mar - 05 Apr	LOT
29 Mar - 08 Apr	LOT
22 Mar - 12 Apr	Lufthansa
23 Mar - 05 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 $498

Return flights