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

Return flights

01 Jun - 05 Jul	Air France
01 Jun - 12 Jun	Air France
15 Jun - 01 Jul	Air France
03 Jun - 19 Jun	Air France
08 Jun - 21 Jun	Air France
08 Jun - 22 Jun	Air France
15 Jun - 21 Jun	Air France
04 Jun - 14 Jun	Air France
01 Jun - 30 Jun	Air France
16 Jun - 06 Jul	Air France
09 Jun - 15 Jun	Iberia
01 Jun - 15 Jun	Air France
18 Jun - 09 Jul	Air France
24 Jun - 09 Jul	Air Europa
04 Jun - 18 Jun	easyJet
22 Jun - 06 Jul	Air France
25 Jun - 11 Jul	Air France
06 Jun - 04 Jul	Norse Atlantic Airways (UK)
20 Jun - 04 Jul	Air France

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.

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Cheapest return flights from London to San Jose in June from 618€

Return flights