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

Return flights

26 Apr - 04 May	Air Canada
20 Apr - 28 Apr	Air Canada
15 Apr - 20 Apr	Air Canada
07 Apr - 14 Apr	Air Canada
05 Apr - 14 Apr	Air Canada
20 Apr - 16 May	Air Canada
08 Apr - 16 Apr	American Airlines
07 Apr - 16 Apr	Finnair
22 Apr - 12 May	Finnair
21 Apr - 12 May	Finnair
30 Apr - 15 May	Air Canada
18 Apr - 26 Apr	Air Canada
28 Apr - 23 May	Scandinavian Airlines
08 Apr - 15 Apr	SWISS
04 Apr - 12 Apr	Air Canada
07 Apr - 02 May	Air Canada
05 Apr - 12 Apr	Air Canada
08 Apr - 07 May	SWISS
21 Apr - 12 May	British Airways	direct
22 Apr - 12 May	British Airways	direct

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

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 April from $524

Return flights