Flights from Santiago de los Caballeros (STI) To Boston (BOS) With Spirit From $270*

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Find Spirit Low Fare Flights From Santiago de los Caballeros (STI) To Boston (BOS)

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From
To
Fare Type
Dates
Price
Santiago de los Caballeros (STI)Boston (BOS)One Way
/
Economy		Depart 06/19/2026

Fares From

$270

Viewed 11 hours ago

Santiago de los Caballeros (STI)Boston (BOS)One Way
/
Economy		Depart 08/10/2026

Fares From

$270

Viewed 45 mins ago

Santiago de los Caballeros (STI)Boston (BOS)One Way
/
Economy		Depart 09/04/2026

Fares From

$270

Viewed 2 hours ago

Santiago de los Caballeros (STI)Boston (BOS)One Way
/
Economy		Depart 07/06/2026

Fares From

$317

Viewed 1 hour ago

Santiago de los Caballeros (STI)Boston (BOS)One Way
/
Economy		Depart 07/24/2026

Fares From

$270

Viewed 1 day ago

Santiago de los Caballeros (STI)Boston (BOS)One Way
/
Economy		Depart 07/13/2026

Fares From

$294

Viewed 1 day ago

Santiago de los Caballeros (STI)Boston (BOS)One Way
/
Economy		Depart 07/31/2026

Fares From

$294

Viewed 1 day ago

Santiago de los Caballeros (STI)Boston (BOS)One Way
/
Economy		Depart 08/17/2026

Fares From

$404

Viewed 20 hours ago

Santiago de los Caballeros (STI)Boston (BOS)One Way
/
Economy		Depart 08/21/2026

Fares From

$485

Viewed 1 day ago

Santiago de los Caballeros (STI)Boston (BOS)One Way
/
Economy		Depart 08/31/2026

Fares From

$543

Viewed 1 day ago

Santiago de los Caballeros (STI)Boston (BOS)One Way
/
Economy		Depart 08/29/2026

Fares From

$543

Viewed 1 day ago

Santiago de los Caballeros (STI)Boston (BOS)One Way
/
Economy		Depart 04/26/2026

Fares From

$584

Viewed 20 hours ago

*One-way fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Additional baggage fees and fees for other services may apply. Other terms and conditions may apply.

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Find Fares from Santiago de los Caballeros to Boston

Apr 2026
From$584*
Viewed 20 hours ago
Flight Type One Way/Economy
May 2026
No result for this month.
Jun 2026
From$270*
Viewed 11 hours ago
Flight Type One Way/Economy
$584
Displaying fares for April-2026
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    • Range$584

    *Fares presented below are available at the beginning of each day, but may sell out. Additional baggage fees and fees for other services may apply. Other terms and conditions may apply.