AirHint found the following cheapest return flights from New York (JFK) to Santiago (SCL) in August 2025 (see full year).

Return flights

28 Aug - 07 Sep	Avianca
21 Aug - 03 Sep	Avianca
25 Aug - 21 Sep	Avianca
21 Aug - 03 Sep	Delta	direct
21 Aug - 29 Aug	Copa
21 Aug - 28 Aug	LATAM Airlines Group
18 Aug - 25 Aug	LATAM Airlines Group
20 Aug - 27 Aug	Delta
21 Aug - 29 Aug	Delta	direct
18 Aug - 25 Aug	LATAM Airlines Group	direct
20 Aug - 27 Aug	Delta	direct
22 Aug - 27 Aug	Delta	direct
18 Aug - 23 Aug	Delta
21 Aug - 27 Aug	Copa

Also check the deals for one-way flights from New York 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 New York to Santiago in August from 526€

Return flights