Cheapest return flights from San Diego to London in April from $499

AirHint found the following cheapest return flights from San Diego (SAN) to London (LHR) in April 2026 (see full year).

Return flights

15 Apr - 22 Apr Finnair
05 Apr - 29 Apr British Airways
20 Apr - 27 Apr Air Canada
22 Apr - 29 Apr United
01 Apr - 13 Apr Virgin Atlantic
13 Apr - 20 Apr Virgin Atlantic
20 Apr - 27 Apr British Airways direct
21 Apr - 28 Apr British Airways direct
22 Apr - 29 Apr British Airways direct
09 Apr - 01 May United
02 Apr - 13 Apr Virgin Atlantic
09 Apr - 02 May British Airways
26 Apr - 03 May British Airways direct

Also check the deals for one-way flights from San Diego to London in April.

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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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