Cheapest return flights from Newark to Santiago in December from $559

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

Return flights

08 Dec - 29 Dec United direct
31 Dec - 20 Jan Spirit Airlines
08 Dec - 11 Dec Spirit Airlines
08 Dec - 18 Dec Spirit Airlines
08 Dec - 24 Dec Spirit Airlines
12 Dec - 10 Jan jetBlue
31 Dec - 21 Jan Spirit Airlines
15 Dec - 20 Jan Spirit Airlines
18 Dec - 08 Jan American Airlines
31 Dec - 15 Jan Spirit Airlines
31 Dec - 16 Jan Spirit Airlines
29 Dec - 16 Jan jetBlue
11 Dec - 11 Dec Lufthansa direct
25 Dec - 22 Jan Frontier Airlines
08 Dec - 19 Dec Spirit Airlines
16 Dec - 08 Jan jetBlue
15 Dec - 30 Dec jetBlue
11 Dec - 18 Dec Spirit Airlines
11 Dec - 24 Dec Spirit Airlines
12 Dec - 18 Dec Spirit Airlines

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

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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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