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

Return flights

09 Jul - 26 Jul	Lufthansa
04 Jul - 19 Jul	SWISS
20 Jul - 26 Jul	Lufthansa
08 Jul - 26 Jul	Lufthansa
15 Jul - 29 Jul	Lufthansa
22 Jul - 04 Aug	Lufthansa
09 Jul - 23 Jul	Lufthansa
23 Jul - 03 Aug	SWISS
08 Jul - 29 Jul	Lufthansa
31 Jul - 16 Aug	SWISS
22 Jul - 05 Aug	Lufthansa
22 Jul - 12 Aug	Lufthansa
21 Jul - 06 Aug	SWISS
27 Jul - 16 Aug	Lufthansa
29 Jul - 18 Aug	Lufthansa
25 Jul - 01 Aug	KLM
23 Jul - 06 Aug	Lufthansa
01 Jul - 23 Jul	KLM
11 Jul - 25 Jul	KLM
11 Jul - 28 Jul	KLM

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 1186€

Return flights