Cheapest return flights from Newburgh to Santiago in December from $661

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

Return flights

29 Dec - 11 Jan Allegiant Air
24 Dec - 29 Dec Allegiant Air
22 Dec - 29 Dec Breeze Airways
24 Dec - 27 Dec Allegiant Air
19 Dec - 22 Dec Allegiant Air
21 Dec - 29 Dec Breeze Airways
29 Dec - 02 Jan Allegiant Air
21 Dec - 11 Jan Breeze Airways
23 Dec - 26 Dec Breeze Airways
24 Dec - 02 Jan Allegiant Air
19 Dec - 08 Jan Allegiant Air
24 Dec - 05 Jan Allegiant Air
21 Dec - 02 Jan Breeze Airways
22 Dec - 05 Jan Allegiant Air
22 Dec - 04 Jan Allegiant Air
23 Dec - 05 Jan Breeze Airways

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

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