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

Return flights

14 Jun - 06 Jul	Air Canada
12 Jun - 21 Jun	Air France
08 Jun - 15 Jun	Air France
08 Jun - 21 Jun	Air France
11 Jun - 12 Jul	SWISS
02 Jun - 21 Jul	Lufthansa
05 Jun - 14 Jun	KLM
12 Jun - 19 Jun	Air France
11 Jun - 21 Jun	KLM
06 Jun - 21 Jun	Air France
06 Jun - 22 Jun	Air France
01 Jun - 15 Jun	Air France
08 Jun - 22 Jun	Air France
07 Jun - 06 Jul	Air France
16 Jun - 13 Jul	SWISS
19 Jun - 05 Jul	SWISS
10 Jun - 10 Jul	SWISS
28 Jun - 11 Jul	Air Canada
26 Jun - 11 Jul	Air Canada
22 Jun - 06 Jul	Air Canada

Also check the deals for one-way flights from London to San Jose 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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose

Cheapest return flights from London to San Jose in June from 667€

Return flights