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

Return flights

01 Jul - 12 Jul	Air Canada
29 Jul - 10 Aug	Avianca
29 Jul - 11 Aug	Avianca
02 Jul - 19 Jul	Air Canada
03 Jul - 11 Jul	Air Canada
03 Jul - 10 Jul	Air Canada
01 Jul - 15 Jul	Iberia
13 Jul - 31 Jul	KLM
21 Jul - 04 Aug	United
23 Jul - 06 Aug	United
10 Jul - 24 Jul	Air Canada
24 Jul - 07 Aug	United
27 Jul - 17 Aug	United
20 Jul - 27 Jul	Air Canada
10 Jul - 16 Jul	Air Canada
04 Jul - 25 Jul	Air Canada
25 Jul - 08 Aug	Avianca
25 Jul - 12 Aug	Avianca
22 Jul - 05 Aug	Avianca
23 Jul - 08 Aug	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 699€

Return flights