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

Return flights

12 Jun - 20 Jun	WestJet
15 Jun - 24 Jun	WestJet
19 Jun - 08 Jul	Icelandair
26 Jun - 12 Jul	Icelandair
19 Jun - 10 Jul	Icelandair
01 Jun - 10 Jun	American Airlines	direct
14 Jun - 28 Jun	Scandinavian Airlines
20 Jun - 11 Jul	Icelandair
17 Jun - 30 Jun	Alaska Airlines
17 Jun - 27 Jun	Icelandair
15 Jun - 24 Jun	American Airlines	direct
17 Jun - 30 Jun	British Airways	direct
12 Jun - 20 Jun	American Airlines	direct
14 Jun - 28 Jun	American Airlines	direct
19 Jun - 08 Jul	American Airlines	direct
26 Jun - 12 Jul	British Airways	direct

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 $1108

Return flights