Cheapest return flights from San Diego to London in April from $731

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

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

Return flights

03 Apr - 07 Apr Frontier Airlines
11 Apr - 15 Apr Frontier Airlines
02 Apr - 15 Apr Alaska Airlines
25 Apr - 28 Apr Alaska Airlines
07 Apr - 07 May Alaska Airlines
23 Apr - 07 May Alaska Airlines
25 Apr - 30 Apr Alaska Airlines
22 Apr - 26 Apr Alaska Airlines
22 Apr - 08 May Alaska Airlines
01 Apr - 15 Apr Air Canada
09 Apr - 16 Apr Alaska Airlines
02 Apr - 30 Apr Scandinavian Airlines
21 Apr - 01 May TAP

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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