AirHint found the following cheapest return flights from Boston (BOS) to Santiago (SCL) in October 2025 (see full year).
Return flights
| 29 Oct - 02 Nov | LATAM Airlines Group | ||
| 15 Oct - 19 Oct | LATAM Airlines Group | ||
| 15 Oct - 17 Oct | Delta | ||
| 19 Oct - 26 Oct | Copa | ||
| 17 Oct - 19 Oct | LATAM Airlines Group | ||
| 18 Oct - 25 Oct | Avianca |
Also check the deals for one-way flights from Boston to Santiago in October.
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