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

Return flights

14 Aug - 21 Aug	LATAM Airlines Group
25 Aug - 01 Sep	Copa
31 Aug - 05 Sep	LATAM Airlines Group
06 Aug - 13 Aug	Avianca
03 Aug - 15 Aug	Copa
13 Aug - 23 Aug	Avianca
05 Aug - 13 Aug	Copa
10 Aug - 17 Aug	Avianca
13 Aug - 21 Aug	Avianca
12 Aug - 18 Aug	Avianca
18 Aug - 23 Aug	Avianca
29 Aug - 04 Sep	Avianca
01 Aug - 07 Aug	Copa

Also check the deals for one-way flights from San Jose to Santiago 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 San Jose to Santiago in August from 335€

Return flights