Cheapest return flights from San Diego to London in April from $641

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

29 Apr - 09 May Hawaiian Airlines
15 Apr - 22 Apr Frontier Airlines
11 Apr - 20 Apr Hawaiian Airlines
14 Apr - 21 Apr Spirit Airlines
17 Apr - 24 Apr Alaska Airlines
24 Apr - 27 Apr SWISS
14 Apr - 14 May Alaska Airlines
23 Apr - 27 Apr Alaska Airlines
19 Apr - 26 Apr Alaska Airlines
15 Apr - 29 Apr Alaska Airlines
29 Apr - 08 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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