Cheapest return flights from Washington to Santiago in December from $514

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

Return flights

01 Dec - 17 Dec LATAM Airlines Group
05 Dec - 21 Dec LATAM Airlines Group
08 Dec - 15 Dec LATAM Airlines Group
04 Dec - 13 Dec LATAM Airlines Group
13 Dec - 28 Dec LATAM Airlines Group
01 Dec - 06 Dec Delta
11 Dec - 21 Dec LATAM Airlines Group
23 Dec - 30 Dec LATAM Airlines Group
16 Dec - 11 Jan LATAM Airlines Group
20 Dec - 10 Jan LATAM Airlines Group
18 Dec - 03 Jan LATAM Airlines Group
19 Dec - 04 Jan LATAM Airlines Group
11 Dec - 28 Dec LATAM Airlines Group
26 Dec - 05 Jan United

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

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