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

Return flights

08 Aug - 13 Aug	Copa
20 Aug - 27 Aug	Copa
18 Aug - 25 Aug	Copa
12 Aug - 19 Aug	Copa
03 Aug - 10 Aug	Avianca
06 Aug - 14 Aug	Copa
15 Aug - 23 Aug	LATAM Airlines Group
01 Aug - 09 Aug	Avianca
01 Aug - 08 Aug	Avianca
01 Aug - 04 Aug	LATAM Airlines Group

Also check the deals for one-way flights from Santiago 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 Santiago to San Jose in August from $365

Return flights