Flights from Boston (BOS) To Santiago de los Caballeros (STI) With Spirit From $217*

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

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From
To
Fare Type
Dates
Price
Boston (BOS)Santiago de los Caballeros (STI)One Way
/
Economy		Depart 05/08/2026

Fares From

$217

Viewed 1 day ago

Boston (BOS)Santiago de los Caballeros (STI)One Way
/
Economy		Depart 07/04/2026

Fares From

$231

Viewed 1 day ago

Boston (BOS)Santiago de los Caballeros (STI)One Way
/
Economy		Depart 07/20/2026

Fares From

$231

Viewed 13 hours ago

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

Fares From

$231

Viewed 1 day ago

Boston (BOS)Santiago de los Caballeros (STI)One Way
/
Economy		Depart 08/03/2026

Fares From

$236

Viewed 1 day ago

Boston (BOS)Santiago de los Caballeros (STI)One Way
/
Economy		Depart 07/03/2026

Fares From

$239

Viewed 11 hours ago

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

Fares From

$271

Viewed 16 hours ago

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

Fares From

$271

Viewed 1 day ago

Boston (BOS)Santiago de los Caballeros (STI)One Way
/
Economy		Depart 06/26/2026

Fares From

$321

Viewed 1 day ago

Boston (BOS)Santiago de los Caballeros (STI)One Way
/
Economy		Depart 06/27/2026

Fares From

$321

Viewed 12 hours ago

Boston (BOS)Santiago de los Caballeros (STI)One Way
/
Economy		Depart 07/17/2026

Fares From

$321

Viewed 20 hours ago

Boston (BOS)Santiago de los Caballeros (STI)One Way
/
Economy		Depart 06/19/2026

Fares From

$321

Viewed 1 day ago

Boston (BOS)Santiago de los Caballeros (STI)One Way
/
Economy		Depart 06/29/2026

Fares From

$462

Viewed 11 hours ago

Boston (BOS)Santiago de los Caballeros (STI)One Way
/
Economy		Depart 04/23/2026

Fares From

$395

Viewed 2 hours ago

Boston (BOS)Santiago de los Caballeros (STI)One Way
/
Economy		Depart 06/22/2026

Fares From

$413

Viewed 2 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 Boston to Santiago de los Caballeros

Apr 2026
From$395*
Viewed 2 hours ago
Flight Type One Way/Economy
May 2026
From$217*
Viewed 1 day ago
Flight Type One Way/Economy
Jun 2026
From$321*
Viewed 1 day ago
Flight Type One Way/Economy
$217
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    • Range$217-$395

    *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.