Cheapest return flights from San Diego to London in April from $799

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

Return flights

27 Apr - 04 May Alaska Airlines
15 Apr - 09 May Alaska Airlines
22 Apr - 28 Apr Icelandair
28 Apr - 23 May Icelandair
09 Apr - 01 May Alaska Airlines
05 Apr - 29 Apr Icelandair

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

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