Cheapest one-way flights from Boston to Santiago in April from $240

AirHint found the following cheapest one-way flights from Boston (BOS) to Santiago (SCL) in April 2026 (see full year).

One-Way flights

07 Apr Spirit Airlines
26 Apr Spirit Airlines
13 Apr Spirit Airlines
25 Apr Spirit Airlines
23 Apr LATAM Airlines Group
08 Apr LATAM Airlines Group
09 Apr LATAM Airlines Group
10 Apr LATAM Airlines Group
12 Apr LATAM Airlines Group
15 Apr LATAM Airlines Group

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

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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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