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

Return flights

18 Aug - 03 Sep	Copa
19 Aug - 06 Sep	Copa
18 Aug - 03 Sep	Delta	direct
16 Aug - 28 Aug	Delta	direct
15 Aug - 27 Aug	Delta	direct
19 Aug - 06 Sep	Delta	direct
11 Aug - 18 Aug	Frontier Airlines
16 Aug - 30 Aug	LATAM Airlines Group
16 Aug - 24 Aug	LATAM Airlines Group
10 Aug - 14 Aug	Frontier Airlines
16 Aug - 30 Aug	Delta	direct
14 Aug - 23 Aug	LATAM Airlines Group
11 Aug - 18 Aug	Delta	direct
11 Aug - 30 Aug	Delta	direct

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 502€

Return flights