$209 Cheap Flights from Santiago (STI) to Boston (BOS)

View $209 flight on Tue, Jun 17, 2025Opens in a new window

Popular airlines from Cibao Intl. Airport (STI) to Logan International Airport (BOS)

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Find available prices by choosing your travel dates.

Cheap Flights from Santiago to Boston (STI-BOS)

Prices were available within the past 7 days and start at $209 for one-way flights and $352 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Tue, May 20 - Tue, May 27
STI
Santiago de los Caballeros
BOS
Boston
$352 Roundtrip, found 3 days ago
$352
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Tue, May 20 from Santiago de los Caballeros to Boston, returning Tue, May 27, priced at $352 found 3 days ago
Spirit Airlines
Thu, May 8 - Sun, May 25
STI
Santiago de los Caballeros
BOS
Boston
$354 Roundtrip, found 6 days ago
$354
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Thu, May 8 from Santiago de los Caballeros to Boston, returning Sun, May 25, priced at $354 found 6 days ago
Spirit Airlines
Tue, May 13 - Sun, May 25
STI
Santiago de los Caballeros
BOS
Boston
$356 Roundtrip, found 6 days ago
$356
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Tue, May 13 from Santiago de los Caballeros to Boston, returning Sun, May 25, priced at $356 found 6 days ago
Spirit Airlines
Tue, May 20 - Tue, May 27
STI
Santiago de los Caballeros
BOS
Boston
$371 Roundtrip, found 3 days ago
$371
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Tue, May 20 from Santiago de los Caballeros to Boston, returning Tue, May 27, priced at $371 found 3 days ago
Frontier Airlines
Mon, Apr 28 - Sun, May 25
STI
Santiago de los Caballeros
BOS
Boston
$376 Roundtrip, found 2 days ago
$376
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Apr 28 from Santiago de los Caballeros to Boston, returning Sun, May 25, priced at $376 found 2 days ago
Spirit Airlines
Tue, Jun 3 - Tue, Jun 10
STI
Santiago de los Caballeros
BOS
Boston
$378 Roundtrip, found 4 days ago
$378
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Tue, Jun 3 from Santiago de los Caballeros to Boston, returning Tue, Jun 10, priced at $378 found 4 days ago
Spirit Airlines
Tue, May 13 - Tue, Jun 10
STI
Santiago de los Caballeros
BOS
Boston
$379 Roundtrip, found 2 days ago
$379
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Tue, May 13 from Santiago de los Caballeros to Boston, returning Tue, Jun 10, priced at $379 found 2 days ago
United
Tue, Jun 3 - Tue, Jun 10
STI
Santiago de los Caballeros
BOS
Boston
$392 Roundtrip, found 4 days ago
$392
Roundtrip
found 4 days ago
Select United flight, departing Tue, Jun 3 from Santiago de los Caballeros to Boston, returning Tue, Jun 10, priced at $392 found 4 days ago
JetBlue Airways
Thu, May 22 - Sun, May 25
STI
Santiago de los Caballeros
BOS
Boston
$393 Roundtrip, found 2 days ago
$393
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Thu, May 22 from Santiago de los Caballeros to Boston, returning Sun, May 25, priced at $393 found 2 days ago
Delta
Tue, May 20 - Wed, May 28
STI
Santiago de los Caballeros
BOS
Boston
$426 Roundtrip, found 3 hours ago
$426
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, May 20 from Santiago de los Caballeros to Boston, returning Wed, May 28, priced at $426 found 3 hours ago
Flights from Santiago (STI) to Boston (BOS)
Origin airport
Cibao Intl.
Destination airport
Logan Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Spirit Airlines, United
Roundtrip price
$351
Distance
1586 mi

Santiago to Boston Flights

The cheapest times to fly from Santiago to Boston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Santiago to Boston are during the month of May. You can find some of the cheapest flights from Santiago to Boston with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Santiago to Boston

Sunday is one of the best days to book for cheap flights from Santiago to Boston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Santiago to Boston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Santiago to Boston in 2025. You can also book with separate airlines for your outbound and return journeys, from $209 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Santiago to Boston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Santiago to Boston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Cibao Intl. Airport (STI) to Logan Intl. Airport (BOS) cost?
Snag cheap return fares starting from $412 from Cibao Intl. Airport (STI) to Logan Intl. Airport (BOS). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a JetBlue Airways flight leaving STI on May 16 2025 and touching down at BOS. The price was last updated on April 22 2025 and has not changed since.
What is the cheapest month to fly from STI to BOS?
The cheapest flights from STI to BOS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Cibao Intl. Airport (STI) to Logan Intl. Airport (BOS)?
You can fly nonstop from Cibao Intl. Airport (STI) to Logan Intl. Airport (BOS) on a JetBlue Airways flight.
What is the cheapest airline that flies from STI to BOS?
Fly from STI to BOS with JetBlue Airways. This carrier currently has the lowest one-way fare on this route, starting at $224. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from STI on May 22 2025. Prices were last updated on April 22 2025 and have not changed since.
How many flights per day from Cibao Intl. Airport (STI) to Logan Intl. Airport (BOS)?
On average, only 1 nonstop flight departs each day from Cibao Intl. Airport (STI) to Logan Intl. Airport (BOS). Need other options? Use our filters to discover flights with layovers and explore a new city along the way.
What are the most popular departure times for flights from Cibao Intl. Airport (STI) to Logan Intl. Airport (BOS)?
The 4 AM departures from STI to BOS are the top choice for many travelers. They can also be more expensive. If you want to save money, book during off-peak hours.
What day of the week has the most flights from STI to BOS?
Depart on a Sunday if you’re looking for the largest selection of flights from Cibao Intl. Airport (STI) to Logan Intl. Airport (BOS).
What is the earliest flight from Cibao Intl. Airport (STI) to Logan Intl. Airport (BOS)?
The earliest flight out of Cibao Intl. Airport (STI) is at around 4:25AM UTC-4. Catch this flight and you’ll land at Logan Intl. Airport (BOS) at approximately 7:25AM UTC-5. The overall travel time is 4h.
How long does it take to fly from Cibao Intl. Airport (STI) to Logan Intl. Airport (BOS)?
Flights from STI to BOS have an average travel time of 4 hours. The distance between the two is 1,600 mi.
What is the best time to fly from Cibao Intl. Airport (STI) to Logan Intl. Airport (BOS)?
To avoid possible delays on the Cibao Intl. Airport (STI) to Logan Intl. Airport (BOS) route, fly before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Boston from Cibao Intl. Airport (STI)?
Compare your flight options from Cibao Intl. Airport (STI) to Logan Intl. Airport (BOS). This is the only airport in Boston you can land at if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Cibao Intl. Airport (STI) to Logan Intl. Airport (BOS) last-minute?
Last-minute fares from STI to BOS are generally more expensive. To lock in the best rates, start searching for flights as soon as possible. That said, if you’re flexible with your travel plans, it’s possible to land a cheap fare just before your departure.
Is it cheaper to book a STI to BOS flight and hotel package?
Compared with arranging flights and hotels separately, booking a STI to BOS flight and hotel package with Expedia could lead to significant savings. What’s more, having everything in one convenient place will take the stress out of travel planning. Just pick your flights and select from our wide range of stays, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Cibao Intl. Airport (STI) to Logan Intl. Airport (BOS)?
Typically, it’s possible to cancel or reschedule your STI to BOS flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find further details on our Customer Service portal.

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*Available to One Key members.