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

Return flights

08 Dec - 15 Dec	United
04 Dec - 11 Dec	United
12 Dec - 24 Dec	Delta
03 Dec - 08 Dec	Spirit Airlines
03 Dec - 09 Dec	United
17 Dec - 24 Dec	Spirit Airlines
25 Dec - 27 Jan	United
12 Dec - 17 Jan	Spirit Airlines
19 Dec - 28 Jan	Spirit Airlines
03 Dec - 13 Dec	Air Canada
13 Dec - 30 Dec	Spirit Airlines
17 Dec - 06 Jan	Arajet
19 Dec - 26 Dec	Spirit Airlines
25 Dec - 08 Jan	Spirit Airlines
17 Dec - 05 Jan	Arajet
21 Dec - 28 Dec	Spirit Airlines
17 Dec - 02 Jan	Spirit Airlines
28 Dec - 03 Jan	Arajet
18 Dec - 05 Jan	Spirit Airlines
19 Dec - 05 Jan	Spirit Airlines

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 623€

Return flights