Cheapest return flights from New York to Santiago in September from $388

Best time to book flights for New York (JFK) to Santiago (STI) flights at AirHint

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

Return flights

20 Sep - 26 Sep jetBlue direct
25 Sep - 29 Sep Delta direct
07 Sep - 20 Sep Delta direct
02 Sep - 17 Sep Delta direct
18 Sep - 22 Sep Delta direct
16 Sep - 24 Sep jetBlue direct
17 Sep - 24 Sep jetBlue direct
05 Sep - 16 Sep jetBlue
15 Sep - 23 Sep jetBlue direct
08 Sep - 20 Sep jetBlue direct
23 Sep - 09 Oct jetBlue direct

Also check the deals for one-way flights from New York to Santiago in September.

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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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