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

Return flights

17 Jun - 11 Jul	KLM
06 Jun - 27 Jun	British Airways
22 Jun - 21 Jul	Icelandair
16 Jun - 11 Jul	British Airways
01 Jun - 14 Jun	Icelandair
24 Jun - 08 Jul	Icelandair
03 Jun - 27 Jun	British Airways
04 Jun - 19 Jun	Icelandair
10 Jun - 28 Jun	Icelandair
13 Jun - 04 Jul	British Airways
12 Jun - 19 Jun	Icelandair
13 Jun - 21 Jun	Icelandair
12 Jun - 04 Jul	Finnair
23 Jun - 18 Jul	Icelandair
25 Jun - 11 Jul	Icelandair
18 Jun - 11 Jul	Icelandair
27 Jun - 18 Jul	Icelandair

Also check the deals for one-way flights from San Jose 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 Jose to London in June from $1036

Return flights