Cheapest return flights from San Diego to London in April from $556

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

30 Apr - 07 May Spirit Airlines
08 Apr - 22 Apr Frontier Airlines
28 Apr - 05 May Spirit Airlines
08 Apr - 19 Apr Frontier Airlines
02 Apr - 09 Apr Spirit Airlines
08 Apr - 15 Apr SWISS
29 Apr - 09 May Frontier Airlines
01 Apr - 06 Apr Spirit Airlines
07 Apr - 15 Apr Spirit Airlines
24 Apr - 30 Apr Spirit Airlines
26 Apr - 30 Apr Spirit Airlines
11 Apr - 20 Apr Frontier Airlines
22 Apr - 28 Apr Frontier Airlines
24 Apr - 01 May Spirit Airlines
26 Apr - 03 May Hawaiian Airlines
24 Apr - 04 May Alaska Airlines
16 Apr - 16 May Icelandair

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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