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

Return flights

08 Dec - 10 Dec	Air Canada
22 Dec - 31 Dec	Allegiant Air
09 Dec - 10 Jan	Air Canada
19 Dec - 11 Jan	Arajet
22 Dec - 02 Jan	Allegiant Air
22 Dec - 01 Jan	Allegiant Air
20 Dec - 03 Jan	Allegiant Air
18 Dec - 27 Dec	Air Canada

Also check the deals for one-way flights from Newark 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.

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Cheapest return flights from Newark to Santiago in December from $837

Return flights