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

Return flights

03 Aug - 17 Aug	Ryanair
01 Aug - 17 Aug	Ryanair
18 Aug - 01 Sep	Ryanair
01 Aug - 22 Aug	Ryanair
07 Aug - 22 Aug	Ryanair
29 Aug - 12 Sep	Ryanair
29 Aug - 11 Sep	Ryanair
19 Aug - 26 Aug	Ryanair
05 Aug - 22 Aug	Ryanair
15 Aug - 29 Aug	Ryanair
07 Aug - 21 Aug	Ryanair
10 Aug - 17 Aug	Ryanair
10 Aug - 23 Aug	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 $1251

Return flights