Cheapest return flights from Boston to Santiago in May from $559

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

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

Return flights

16 May - 20 May Avianca

Also check the deals for one-way flights from Boston to Santiago in May.

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.

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