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

Return flights

01 Jun - 18 Jun	Air France
01 Jun - 16 Jun	Air France
08 Jun - 22 Jun	Air France
09 Jun - 23 Jun	KLM
10 Jun - 24 Jun	Air France
12 Jun - 26 Jun	Air France
11 Jun - 25 Jun	KLM
13 Jun - 27 Jun	Iberia
22 Jun - 28 Jun	British Airways
14 Jun - 28 Jun	Air France
26 Jun - 31 Jul	British Airways
02 Jun - 27 Jul	KLM
23 Jun - 10 Jul	Iberia
26 Jun - 11 Jul	Iberia

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from San Jose to London in June from $755

Return flights