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

Return flights

01 Jul - 19 Jul	KLM
02 Jul - 12 Jul	Lufthansa
01 Jul - 08 Jul	Lufthansa
02 Jul - 19 Jul	Lufthansa
03 Jul - 19 Jul	KLM
06 Jul - 21 Jul	British Airways
08 Jul - 22 Jul	British Airways
01 Jul - 15 Jul	Lufthansa
08 Jul - 23 Jul	British Airways
06 Jul - 15 Jul	KLM
29 Jul - 12 Aug	Lufthansa
30 Jul - 06 Aug	Lufthansa
24 Jul - 01 Aug	Lufthansa
21 Jul - 02 Aug	SWISS
27 Jul - 09 Aug	Lufthansa
20 Jul - 02 Aug	Lufthansa
21 Jul - 06 Aug	Lufthansa
23 Jul - 03 Aug	KLM
27 Jul - 03 Aug	British Airways
17 Jul - 02 Aug	British Airways

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 1026€

Return flights