Cheapest return flights from New York to Santiago in September from 489€

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

Return flights

02 Sep - 17 Sep Spirit Airlines
12 Sep - 19 Sep Frontier Airlines
12 Sep - 20 Sep Frontier Airlines
13 Sep - 20 Sep Frontier Airlines
10 Sep - 15 Sep Frontier Airlines
06 Sep - 19 Sep Spirit Airlines
11 Sep - 15 Sep Spirit Airlines
17 Sep - 01 Oct Frontier Airlines
09 Sep - 12 Sep Spirit Airlines
24 Sep - 07 Oct Avianca

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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