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

Return flights

20 Jul - 27 Jul	Lufthansa
20 Jul - 29 Jul	Lufthansa
27 Jul - 03 Aug	Lufthansa
15 Jul - 28 Jul	Lufthansa
20 Jul - 10 Aug	Lufthansa
05 Jul - 19 Jul	Air Canada
01 Jul - 08 Jul	Air France
27 Jul - 12 Aug	Lufthansa
20 Jul - 17 Aug	Lufthansa
01 Jul - 31 Jul	Lufthansa
21 Jul - 03 Aug	KLM
24 Jul - 07 Aug	Austrian Airlines
29 Jul - 19 Aug	Austrian Airlines
28 Jul - 10 Aug	KLM
26 Jul - 09 Aug	Finnair
03 Jul - 16 Jul	British Airways
27 Jul - 18 Aug	Lufthansa
16 Jul - 26 Jul	United
05 Jul - 25 Jul	American Airlines
01 Jul - 22 Jul	Avianca

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 716€

Return flights