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

Return flights

03 Mar - 11 Mar	Spirit Airlines
10 Mar - 20 Mar	Frontier Airlines
11 Mar - 01 Apr	Spirit Airlines
01 Mar - 07 Mar	Spirit Airlines
26 Mar - 31 Mar	LATAM Airlines Group
27 Mar - 29 Mar	Air Canada
06 Mar - 09 Mar	Spirit Airlines
21 Mar - 04 Apr	LATAM Airlines Group
06 Mar - 15 Mar	LATAM Airlines Group
28 Mar - 29 Mar	Delta

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

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 March from $627

Return flights