Cheapest one-way flights from Boston to Santiago in March from 146€

Best time to book flights for Boston (BOS) to Santiago (STI) flights at AirHint

AirHint found the following cheapest one-way flights from Boston (BOS) to Santiago (STI) in March 2025 (see full year).

One-Way flights

04 Mar United
09 Mar United
06 Mar United
05 Mar United
15 Mar Spirit Airlines
15 Mar jetBlue direct
07 Mar Delta
03 Mar Frontier Airlines
01 Mar United

Also check the deals for return flights from Boston to Santiago in March.

Skyscanner

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.

Book a cheap hotel in Santiago

Cheap car rent in Santiago