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

Return flights

20 Aug - 20 Sep	Air Europa
17 Aug - 28 Aug	Air Transat
08 Aug - 18 Aug	Air Transat
20 Aug - 04 Sep	Air Europa
04 Aug - 21 Aug	easyJet
17 Aug - 01 Sep	Norse Atlantic Airways (UK)
04 Aug - 18 Aug	Air Transat
05 Aug - 21 Aug	Vueling Airlines
07 Aug - 21 Aug	Vueling Airlines
09 Aug - 19 Aug	Norse Atlantic Airways (UK)
02 Aug - 11 Aug	Norse Atlantic Airways (UK)
19 Aug - 29 Aug	Air Europa
16 Aug - 31 Aug	Vueling Airlines
14 Aug - 11 Sep	Air Transat

Also check the deals for one-way flights from London to San Jose in August.

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 August from 809€

Return flights