Cheapest return flights from San Diego to London in April from 657€

Best time to book flights for San Diego (SAN) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from San Diego (SAN) to London (LHR) in April 2025 (see full year).

Return flights

23 Apr - 07 May Air Canada
15 Apr - 29 Apr United
23 Apr - 06 May United
15 Apr - 22 Apr United
22 Apr - 20 May Delta
15 Apr - 24 Apr British Airways direct
23 Apr - 07 May British Airways direct
23 Apr - 06 May British Airways direct
16 Apr - 21 Apr United
21 Apr - 28 Apr Finnair direct
16 Apr - 26 Apr United
16 Apr - 11 May United
07 Apr - 14 Apr Finnair
07 Apr - 14 Apr British Airways direct
06 Apr - 13 Apr Finnair
27 Apr - 04 May United
16 Apr - 21 Apr British Airways direct
16 Apr - 11 May British Airways direct
30 Apr - 11 May British Airways direct
22 Apr - 20 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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