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

Return flights

12 Jun - 25 Jun	KLM
16 Jun - 23 Jun	KLM
19 Jun - 30 Jun	KLM
15 Jun - 25 Jun	KLM
13 Jun - 30 Jun	KLM
08 Jun - 25 Jun	KLM
11 Jun - 18 Jun	KLM
02 Jun - 09 Jun	KLM
08 Jun - 23 Jun	KLM
06 Jun - 20 Jun	KLM
20 Jun - 11 Jul	KLM
06 Jun - 04 Jul	KLM
14 Jun - 11 Jul	KLM
22 Jun - 06 Jul	KLM
22 Jun - 01 Jul	KLM
25 Jun - 05 Jul	KLM
24 Jun - 09 Jul	Lufthansa
29 Jun - 15 Jul	Air Dolomiti
27 Jun - 11 Jul	KLM
27 Jun - 12 Jul	KLM

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 647€

Return flights