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

Return flights

20 Aug - 06 Sep	Ryanair
01 Aug - 08 Aug	Ryanair
20 Aug - 04 Sep	Ryanair
29 Aug - 12 Sep	Ryanair
03 Aug - 13 Aug	Ryanair
15 Aug - 28 Aug	Ryanair
08 Aug - 14 Sep	Ryanair
01 Aug - 11 Aug	Ryanair
01 Aug - 16 Aug	Ryanair
01 Aug - 28 Aug	Ryanair
20 Aug - 27 Aug	Ryanair
13 Aug - 27 Aug	Ryanair
06 Aug - 20 Aug	Ryanair
03 Aug - 17 Aug	Ryanair
22 Aug - 05 Sep	Ryanair
19 Aug - 02 Sep	Ryanair

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 876€

Return flights