Cheapest return flights from Atlanta to Santiago in December from $502

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

Return flights

01 Dec - 08 Dec Frontier Airlines
09 Dec - 13 Dec Spirit Airlines
06 Dec - 09 Dec Frontier Airlines
01 Dec - 14 Dec Frontier Airlines
23 Dec - 06 Jan Frontier Airlines
18 Dec - 31 Dec Spirit Airlines
25 Dec - 05 Jan Frontier Airlines
25 Dec - 01 Jan Spirit Airlines
19 Dec - 29 Dec Frontier Airlines
01 Dec - 08 Dec LATAM Airlines Group direct
22 Dec - 05 Jan Frontier Airlines
15 Dec - 22 Dec Delta direct
21 Dec - 31 Dec Spirit Airlines
12 Dec - 19 Dec Delta
18 Dec - 04 Jan Frontier Airlines
22 Dec - 03 Jan Frontier Airlines
19 Dec - 03 Jan Spirit Airlines
25 Dec - 01 Jan LATAM Airlines Group direct

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

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