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

Return flights

07 Jul - 15 Jul	Iberia
05 Jul - 12 Jul	Iberia
02 Jul - 12 Jul	SWISS
09 Jul - 19 Jul	SWISS
07 Jul - 22 Jul	SWISS
23 Jul - 30 Jul	Lufthansa
02 Jul - 11 Jul	SWISS
21 Jul - 04 Aug	SWISS
07 Jul - 11 Jul	KLM
01 Jul - 11 Jul	KLM
16 Jul - 26 Jul	SWISS
23 Jul - 02 Aug	SWISS
23 Jul - 09 Aug	SWISS
23 Jul - 05 Aug	SWISS
16 Jul - 30 Aug	SWISS
23 Jul - 01 Aug	SWISS
16 Jul - 06 Aug	SWISS
13 Jul - 03 Aug	KLM
17 Jul - 01 Aug	KLM
16 Jul - 13 Aug	SWISS

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 $1382

Return flights