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

Return flights

08 Jun - 15 Jun	Air Canada
01 Jun - 15 Jun	Air Canada
02 Jun - 11 Jun	Air Canada
05 Jun - 12 Jun	Air Canada
13 Jun - 29 Jun	Air Canada
04 Jun - 18 Jun	Frontier Airlines
29 Jun - 07 Jul	Lufthansa
11 Jun - 18 Jun	KLM
12 Jun - 19 Jun	Air Canada
23 Jun - 30 Jun	Alaska Airlines

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 $897

Return flights