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

Return flights

14 Mar - 23 Mar	TAP
19 Mar - 30 Mar	TAP
12 Mar - 19 Mar	TAP
21 Mar - 30 Mar	TAP
19 Mar - 23 Mar	TAP
12 Mar - 16 Mar	TAP
19 Mar - 26 Mar	TAP
16 Mar - 24 Mar	Finnair
26 Mar - 06 Apr	TAP
26 Mar - 09 Apr	TAP
04 Mar - 18 Mar	Finnair	direct
03 Mar - 13 Mar	Delta	direct
23 Mar - 03 Apr	Finnair	direct
24 Mar - 06 Apr	Virgin Atlantic	direct
26 Mar - 09 Apr	Delta	direct
30 Mar - 11 Apr	Delta	direct
21 Mar - 04 Apr	Virgin Atlantic
28 Mar - 12 Apr	Delta	direct
28 Mar - 11 Apr	Delta	direct
26 Mar - 12 Apr	Delta	direct

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 364€

Return flights