AirHint found the following cheapest return flights from New York (LGA) to Santiago (STI) in April 2026 (see full year).

Return flights

18 Apr - 23 Apr	Spirit Airlines
07 Apr - 23 Apr	Spirit Airlines
12 Apr - 23 Apr	Spirit Airlines
01 Apr - 07 Apr	Spirit Airlines
18 Apr - 30 Apr	Spirit Airlines
12 Apr - 30 Apr	Spirit Airlines
01 Apr - 08 Apr	Spirit Airlines
10 Apr - 30 Apr	Spirit Airlines
01 Apr - 04 Apr	Spirit Airlines
07 Apr - 08 Apr	Spirit Airlines
18 Apr - 04 May	Spirit Airlines
17 Apr - 04 May	Spirit Airlines
22 Apr - 05 May	Spirit Airlines
15 Apr - 04 May	Spirit Airlines

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

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 April from $310

Return flights