Cheapest return flights from New York to Santiago in September from $525

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

Return flights

15 Sep - 26 Oct Frontier Airlines
29 Sep - 06 Oct Frontier Airlines
29 Sep - 04 Oct Frontier Airlines
16 Sep - 30 Sep Spirit Airlines
16 Sep - 23 Sep Spirit Airlines
14 Sep - 28 Oct Frontier Airlines
28 Sep - 05 Oct Frontier Airlines
25 Sep - 30 Sep Avianca
12 Sep - 18 Sep Spirit Airlines
29 Sep - 05 Oct Frontier Airlines
11 Sep - 25 Oct Spirit Airlines
22 Sep - 29 Sep Spirit Airlines
13 Sep - 20 Sep Frontier Airlines
12 Sep - 19 Sep Frontier Airlines
22 Sep - 26 Sep Frontier Airlines
14 Sep - 30 Oct Frontier Airlines
12 Sep - 20 Sep Spirit Airlines
18 Sep - 01 Oct LATAM Airlines Group
29 Sep - 06 Oct Delta direct
18 Sep - 24 Sep Spirit Airlines

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

Skyscanner

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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