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

Return flights

19 Aug - 26 Aug	LATAM Airlines Group
20 Aug - 27 Aug	LATAM Airlines Group
01 Aug - 08 Aug	Avianca
23 Aug - 25 Aug	Avianca
19 Aug - 24 Aug	LATAM Airlines Group
16 Aug - 24 Aug	LATAM Airlines Group
14 Aug - 19 Aug	LATAM Airlines Group
15 Aug - 29 Aug	Avianca
04 Aug - 09 Aug	Avianca
28 Aug - 03 Sep	Avianca
11 Aug - 17 Aug	Avianca
18 Aug - 03 Sep	Avianca

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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose

Cheapest return flights from Santiago to San Jose in August from 306€

Return flights