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

Return flights

22 Aug - 26 Aug	Avianca
11 Aug - 18 Aug	LATAM Airlines Group
04 Aug - 16 Aug	Avianca
19 Aug - 24 Aug	Avianca
08 Aug - 15 Aug	Avianca
11 Aug - 17 Aug	Avianca
04 Aug - 11 Aug	Avianca
09 Aug - 16 Aug	Avianca
06 Aug - 22 Aug	Copa
18 Aug - 01 Sep	LATAM Airlines Group
21 Aug - 24 Sep	Avianca
04 Aug - 26 Aug	Avianca
07 Aug - 30 Sep	Copa
29 Aug - 21 Sep	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 319€

Return flights