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

Return flights

04 Jun - 11 Jun	Alaska Airlines
12 Jun - 16 Jun	Alaska Airlines
04 Jun - 20 Jun	Alaska Airlines
14 Jun - 28 Jun	Air Canada
17 Jun - 25 Jun	Air Canada
10 Jun - 24 Jun	Alaska Airlines
22 Jun - 26 Jun	Lufthansa
18 Jun - 23 Jun	Alaska Airlines
17 Jun - 24 Jun	Alaska Airlines
25 Jun - 12 Jul	Air Canada
19 Jun - 10 Jul	Icelandair
28 Jun - 05 Jul	Air Canada
06 Jun - 11 Jul	Alaska Airlines
20 Jun - 11 Jul	WestJet
17 Jun - 27 Jun	Air Europa
13 Jun - 01 Jul	Iberia

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

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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Cheapest return flights from San Diego to London in June from $957

Return flights