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

Return flights

01 Jul - 12 Jul	Air Canada
01 Jul - 07 Jul	Air Canada
01 Jul - 21 Jul	Air Canada
01 Jul - 14 Jul	Air Canada
01 Jul - 08 Jul	Air Canada
08 Jul - 12 Jul	Lufthansa
01 Jul - 15 Jul	Lufthansa
02 Jul - 19 Jul	Lufthansa
23 Jul - 16 Aug	Lufthansa
02 Jul - 17 Jul	Air Canada
07 Jul - 12 Jul	Air Canada
23 Jul - 30 Aug	Lufthansa
16 Jul - 13 Aug	Lufthansa
26 Jul - 23 Aug	Lufthansa
21 Jul - 11 Aug	Air Canada
16 Jul - 12 Aug	United
22 Jul - 05 Aug	Lufthansa
22 Jul - 12 Aug	Lufthansa
22 Jul - 13 Aug	Lufthansa
22 Jul - 03 Aug	Lufthansa

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

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 July from 690€

Return flights