HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$201+ Cheap flights from Santiago de los Caballeros (STI) to Boston (BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
STI — BOS
ene. 7 — ene. 141
mié. 1/7
mié. 1/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santiago de los Caballeros to Boston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Santiago de los Caballeros to Boston Logan Intl are usually found in October or February, booked 16 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Santiago de los Caballeros to Boston

Cheapest flights from Santiago de los Caballeros to Boston
Explore the most affordable flight options available from Santiago de los Caballeros to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 8, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/233:43 amSTI - BOS
1 stop21h 14mSpirit Airlines
mié. 1/711:55 amBOS - STI
1 stop26h 38mSpirit Airlines
Deal found 12/7$346
This CheapOair deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/131:01 pmSTI - BOS
1 stop11h 55mSpirit Airlines
lun. 1/511:55 amBOS - STI
1 stop13h 47mSpirit Airlines
Deal found 12/8$353
This CheapOair deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/131:01 pmSTI - BOS
1 stop11h 55mSpirit Airlines
sáb. 1/105:34 amBOS - STI
1 stop8h 59mSpirit Airlines
Deal found 12/8$355
This eDestinos deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/173:43 amSTI - BOS
1 stop8h 07mSpirit Airlines
jue. 1/111:55 amBOS - STI
1 stop13h 47mSpirit Airlines
Deal found 12/7$372
This CheapOair deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/293:43 amSTI - BOS
1 stop8h 07mSpirit Airlines
dom. 1/411:55 amBOS - STI
1 stop13h 47mSpirit Airlines
Deal found 12/8$373
This Cheapflightsfares deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/203:43 amSTI - BOS
1 stop8h 07mSpirit Airlines
lun. 1/511:55 amBOS - STI
1 stop13h 47mSpirit Airlines
Deal found 12/8$377
This Cheapflightsfares deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/173:43 amSTI - BOS
1 stop8h 07mSpirit Airlines
mar. 1/611:55 amBOS - STI
1 stop13h 47mSpirit Airlines
Deal found 12/7$381
This Cheapflightsfares deal was found by Cheapflights users on 12/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/253:43 amSTI - BOS
1 stop8h 07mSpirit Airlines
sáb. 1/311:55 amBOS - STI
1 stop13h 47mSpirit Airlines
Deal found 12/8$383
This CheapOair deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/273:43 amSTI - BOS
1 stop8h 07mSpirit Airlines
sáb. 1/105:34 amBOS - STI
1 stop8h 59mSpirit Airlines
Deal found 12/7$388

Find flight deals from Santiago de los Caballeros to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Santiago de los Caballeros (STI) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$346
(Kiwi.com)

One-way from

$201
(United Airlines)

Popular in

August

Cheapest in

October

Average price

$478

Good round-trip deal

$547 or less

Good one-way deal

$238 or less
Provider with most accurate pricing for Santiago de los Caballeros-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santiago de los Caballeros-Boston Logan Intl flights.
Search Deals
From Santiago de los Caballeros to Boston Logan Intl
Search Deals
One-way flight from Santiago de los Caballeros to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Santiago de los Caballeros to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Santiago de los Caballeros to Boston Logan Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santiago de los Caballeros to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 8, 2025.
Use the filters below to find and compare flights from Santiago de los Caballeros to Boston that are best for you.

Fly from

Santiago de los Caballeros

Fly to

Boston

Route

Depart

Return

Price

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

vie. 2/6

6:00 am-9:38 pm

2 stops16h 38m

Boston Logan Intl

mar. 2/24

9:40 am-11:51 pm

2 stops13h 11m

$346

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

vie. 2/6

4:40 pm-11:57 pm

1 stop8h 17m

Boston Logan Intl

mar. 2/24

10:03 am-3:35 pm

2 stops28h 32m

$357

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

vie. 2/6

6:00 am-1:13 pm

1 stop8h 13m

Boston Logan Intl

dom. 2/8

6:00 am-2:53 pm

1 stop7h 53m

$358

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

jue. 12/25

3:43 am-10:50 am

1 stop8h 07m

Boston Logan Intl

sáb. 1/3

11:55 am-2:42 am

1 stop13h 47m

$383

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

jue. 12/18

3:43 am-10:50 am

1 stop8h 07m

Boston Logan Intl

sáb. 1/3

11:55 am-2:42 am

1 stop13h 47m

$401

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

lun. 12/22

6:25 am-1:48 pm

1 stop8h 23m

Boston Logan Intl

mar. 1/20

1:00 pm-12:50 am

1 stop10h 50m

$410

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

jue. 12/25

6:25 am-5:15 pm

1 stop11h 50m

Boston Logan Intl

jue. 1/1

6:05 am-7:17 pm

1 stop12h 12m

$410

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

vie. 2/27

6:00 am-12:53 pm

1 stop7h 53m

Boston Logan Intl

dom. 3/1

6:00 am-2:53 pm

1 stop7h 53m

$410

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

mar. 12/16

4:00 pm-9:45 pm

2 stops30h 45m

$201

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

jue. 1/15

4:40 pm-2:38 pm

2 stops22h 58m

$203

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 15 results
1
2

Compare providers for flights from Santiago de los Caballeros to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santiago de los Caballeros to Boston in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Santiago de los Caballeros-Boston flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Santiago de los Caballeros-Boston flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Santiago de los Caballeros-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santiago de los Caballeros-Boston flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santiago de los Caballeros-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Santiago de los Caballeros to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Santiago de los Caballeros with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Santiago de los Caballeros to Boston

How far ahead should I book a flight from Santiago de los Caballeros to Boston?

Use this chart to determine the optimal time to book a round-trip flight from Santiago de los Caballeros to Boston. Price data was last updated on December 5, 2025.

The best time to book flights from Santiago de los Caballeros to Boston is 16 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Santiago de los Caballeros to Boston?

Currently, December is the cheapest month in which you can book a flight from Santiago de los Caballeros to Boston (average of $182). Flying from Santiago de los Caballeros to Boston in October is currently the most expensive (average of $274). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STI to BOS?

Find hourly flight availability from Santiago de los Caballeros to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 8, 2025.

It’s typically best to fly out from Santiago de los Caballeros to Boston at noon. Doing so could potentially save you 10% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost to fly round-trip from Santiago de los Caballeros to Boston?

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated diciembre 8, 2025.
See what other customers who have flown with JetBlue and Spirit Airlines from Santiago de los Caballeros to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
JetBlue
7.2
Good
2,898 reviews

Boarding

7.4

Crew

8.0

Comfort

7.6

Overall

7.2

Entertainment

7.2

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Samuel,Nov 2025

PBI - HPN

Incessant announcements hawking the JB Card, other items to purchase, seat back tables up 45 minutes before we landed....more announcements....Give your customer a break!
JetBlue
7.2
Good
2,898 reviews
JetBlue
7.2
Good
2,898 reviews

Boarding

7.4

Crew

8.0

Comfort

7.6

Overall

7.2

Entertainment

7.2

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Samuel,Nov 2025

PBI - HPN

Incessant announcements hawking the JB Card, other items to purchase, seat back tables up 45 minutes before we landed....more announcements....Give your customer a break!
Spirit Airlines
6.3
Okay
8,168 reviews
JetBlue
7.2
Good
2,898 reviews

Boarding

7.4

Crew

8.0

Comfort

7.6

Overall

7.2

Entertainment

7.2

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Samuel,Nov 2025

PBI - HPN

Incessant announcements hawking the JB Card, other items to purchase, seat back tables up 45 minutes before we landed....more announcements....Give your customer a break!

Related info for your journey

Find useful and relevant information for your journey from Santiago de los Caballeros to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Santiago de los Caballeros to Boston?

    If you book a flight from Santiago de los Caballeros to Boston, you will be flying from Santiago to Logan Intl. Flights to Boston Logan Intl (BOS) from Santiago de los Caballeros (STI) take 3h 54m for a nonstop flight. There are 2 flights from Santiago to Boston per day from 2 airlines.

  • How long is the flight from Santiago de los Caballeros to Boston?

    United Airlines and Spirit Airlines can get you from Santiago de los Caballeros to Boston in just under 8h 17m. Your travel time can differ by up to 8h 21m. The distance from Santiago de los Caballeros to Boston is about 1585 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Santiago de los Caballeros to Boston round-trip?

    Spirit Airlines, at $182, was found to be the cheapest airline from Santiago de los Caballeros to Boston. An alternate airline flying to your destination would be JetBlue. Spirit Airlines is currently priced 64% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Santiago de los Caballeros to Boston one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $164. Users have also found prices from $176 and $201 on Spirit Airlines and United Airlines, respectively.

  • What are the cheapest flights from Santiago de los Caballeros to Boston?

    Looking for the cheapest flight from Santiago de los Caballeros to Boston? While on average our users pay $417, our data indicates the cheapest price to be $228. The most popular route (Santiago de los Caballeros - Boston Logan Intl), is priced around $306.

  • Can I find deals for flights from Santiago de los Caballeros to Boston that include hotel bookings?

    Yes. In addition to deals on Santiago de los Caballeros to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santiago de los Caballeros to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santiago de los Caballeros to Boston.

  • Can I find deals for business class flights from Santiago de los Caballeros to Boston?

    Yes. Cheapflights offers flight deals from Santiago de los Caballeros to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Santiago de los Caballeros to Boston?

    Currently, December is the cheapest month in which you can book a flight from Santiago de los Caballeros to Boston (average of $182). Flying from Santiago de los Caballeros to Boston in October is currently the most expensive (average of $274). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Cranston
Lincoln
Lowell
Smithfield
Peabody
Brockton
Quincy
York Beach
Warwick
Londonderry
Swansea
Old Orchard Beach
Waltham
Chelsea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Santiago de los Caballeros to Boston

See prices for flight routes from nearby airports that may be better suited for you.
Santo Domingo to Boston flights
Punta Cana to Boston flights
Santo Domingo to Hartford flights
La Romana to Boston flights
Punta Cana to Worcester flights
Santo Domingo to Worcester flights

Top 2 airlines flying from Santiago de los Caballeros to Boston

Discover the top 2 airlines that operate flights from Santiago de los Caballeros to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$305Average$357FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$383Average$538FlexibilityNo cancel feeOn-time62%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.