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

Return flights

01 Jul - 15 Jul	Lufthansa
01 Jul - 22 Jul	Lufthansa
01 Jul - 17 Jul	Air Canada
02 Jul - 17 Jul	Air Canada
02 Jul - 09 Jul	Air Canada
02 Jul - 16 Jul	Air Canada
01 Jul - 29 Jul	Lufthansa
22 Jul - 05 Aug	Iberia
11 Jul - 30 Jul	Air Canada
24 Jul - 07 Aug	Air Canada
03 Jul - 18 Jul	Lufthansa
09 Jul - 23 Jul	Lufthansa
27 Jul - 07 Aug	Iberia
27 Jul - 09 Aug	Iberia
20 Jul - 03 Aug	Lufthansa
27 Jul - 10 Aug	Iberia
31 Jul - 15 Aug	Iberia
20 Jul - 10 Aug	Air Canada
29 Jul - 11 Aug	Avianca
25 Jul - 08 Aug	Air Canada

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 665€

Return flights