Cheapest return flights from Boston to Santiago in April from 372€

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

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

Return flights

03 Apr - 06 Apr Delta
15 Apr - 29 Apr Delta
16 Apr - 23 Apr Delta
10 Apr - 18 Apr Delta
17 Apr - 28 Apr United
18 Apr - 25 Apr Frontier Airlines
11 Apr - 20 Apr United

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

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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