Cheapest return flights from San Francisco to Santiago in December from 434€

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

Return flights

06 Dec - 11 Dec United
10 Dec - 17 Dec United
14 Dec - 25 Dec Frontier Airlines
23 Dec - 31 Dec LATAM Airlines Group
22 Dec - 12 Jan Frontier Airlines
18 Dec - 30 Dec Frontier Airlines
21 Dec - 11 Jan Aeromexico
18 Dec - 08 Jan Frontier Airlines
22 Dec - 04 Jan Frontier Airlines
19 Dec - 09 Jan Aeromexico
12 Dec - 03 Jan LATAM Airlines Group
13 Dec - 03 Jan Frontier Airlines
20 Dec - 04 Jan Frontier Airlines
21 Dec - 03 Jan Aeromexico
20 Dec - 02 Jan Frontier Airlines

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

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