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

Return flights

08 Jun - 15 Jun	Air Canada
04 Jun - 18 Jun	jetBlue
04 Jun - 11 Jun	Alaska Airlines
09 Jun - 16 Jun	Alaska Airlines
04 Jun - 20 Jun	Alaska Airlines
12 Jun - 15 Jun	Air Canada
21 Jun - 29 Jun	Air Canada
08 Jun - 13 Jun	Lufthansa
10 Jun - 24 Jun	Alaska Airlines
22 Jun - 26 Jun	Lufthansa
19 Jun - 03 Jul	Alaska Airlines
25 Jun - 12 Jul	Air Canada
27 Jun - 04 Jul	Air Canada
28 Jun - 05 Jul	Air Canada
17 Jun - 01 Jul	Alaska Airlines
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 $917

Return flights