AirHint found the following cheapest return flights from London (LTN) to San Jose (SJO) in August 2025 (see full year).

Return flights

29 Aug - 13 Sep	easyJet
24 Aug - 06 Sep	easyJet
22 Aug - 13 Sep	easyJet
29 Aug - 07 Sep	easyJet
22 Aug - 06 Sep	easyJet
04 Aug - 12 Aug	easyJet
01 Aug - 05 Aug	Wizz Air Malta
31 Aug - 08 Sep	easyJet
06 Aug - 21 Aug	easyJet
18 Aug - 30 Aug	easyJet
13 Aug - 28 Aug	easyJet
14 Aug - 28 Aug	Ryanair
29 Aug - 06 Sep	easyJet
01 Aug - 03 Aug	easyJet
11 Aug - 27 Aug	easyJet
17 Aug - 31 Aug	easyJet
10 Aug - 25 Aug	easyJet
30 Aug - 06 Sep	easyJet
18 Aug - 07 Sep	easyJet
22 Aug - 20 Sep	easyJet

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 751€

Return flights