Cheapest return flights from Boston to Santiago in December from 523€

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

Return flights

15 Dec - 28 Jan LATAM Airlines Group
23 Dec - 28 Jan LATAM Airlines Group
16 Dec - 28 Jan LATAM Airlines Group
22 Dec - 28 Jan LATAM Airlines Group
17 Dec - 28 Jan LATAM Airlines Group
18 Dec - 28 Jan LATAM Airlines Group
21 Dec - 28 Jan LATAM Airlines Group
20 Dec - 28 Jan Avianca
19 Dec - 28 Jan LATAM Airlines Group

Also check the deals for one-way flights from Boston 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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