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

Return flights

28 Dec - 29 Jan	LATAM Airlines Group
28 Dec - 21 Jan	Delta
05 Dec - 26 Dec	Delta
07 Dec - 07 Jan	Porter Airlines (Canada) Ltd
18 Dec - 25 Dec	Avianca
25 Dec - 02 Jan	Avianca
22 Dec - 02 Jan	Allegiant Air
24 Dec - 03 Jan	LATAM Airlines Group

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

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.

Book a cheap hotel in Santiago

Cheap car rent in Santiago

Cheapest return flights from New York to Santiago in December from $730

Return flights