Cheapest return flights from Boston to Santiago in July from $464

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 July 2025 (see full year).

Return flights

03 Jul - 21 Jul American Airlines
23 Jul - 20 Aug American Airlines
02 Jul - 22 Jul American Airlines
02 Jul - 24 Jul American Airlines
25 Jul - 29 Jul American Airlines
20 Jul - 08 Aug American Airlines
11 Jul - 21 Jul American Airlines
17 Jul - 23 Jul jetBlue
10 Jul - 30 Jul American Airlines
25 Jul - 29 Jul jetBlue direct
23 Jul - 20 Aug jetBlue direct
02 Jul - 06 Jul American Airlines
03 Jul - 21 Jul jetBlue direct
20 Jul - 08 Aug jetBlue direct

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

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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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