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$205+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
STI — BOS
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Find cheap flights from Santiago de los Caballeros to Boston with Cheapflights

1. Tell us where you want to go

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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 December 28, 2025.

This Expedia deal was found by Cheapflights users on 12/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:58 pmSTI - BOS
Nonstop3h 59mMultiple Airlines
Sat 1/245:34 amBOS - STI
1 stop8h 59mMultiple Airlines
Deal found 12/27$420
This eDestinos deal was found by Cheapflights users on 12/26. 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.
Fri 12/263:43 amSTI - BOS
1 stop8h 07mSpirit Airlines
Tue 1/611:55 amBOS - STI
1 stop13h 47mSpirit Airlines
Deal found 12/26$433
This Expedia deal was found by Cheapflights users on 12/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:10 pmSTI - BOS
Nonstop4h 02mMultiple Airlines
Sat 1/175:34 amBOS - STI
1 stop8h 59mMultiple Airlines
Deal found 12/26$438
This eDestinos deal was found by Cheapflights users on 12/26. 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.
Fri 12/263:43 amSTI - BOS
1 stop8h 07mSpirit Airlines
Sun 1/115:34 amBOS - STI
1 stop8h 59mSpirit Airlines
Deal found 12/26$439
This eDestinos deal was found by Cheapflights users on 12/27. 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.
Tue 12/303:43 amSTI - BOS
1 stop8h 07mSpirit Airlines
Sun 1/255:34 amBOS - STI
1 stop8h 59mSpirit Airlines
Deal found 12/27$441
This eDestinos deal was found by Cheapflights users on 12/26. 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.
Mon 12/293:43 amSTI - BOS
1 stop8h 07mSpirit Airlines
Sat 1/175:34 amBOS - STI
1 stop8h 59mSpirit Airlines
Deal found 12/26$443
This Priceline deal was found by Cheapflights users on 12/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:30 amSTI - BOS
1 stop11h 19mMultiple Airlines
Sat 2/285:27 amBOS - STI
1 stop9h 08mMultiple Airlines
Deal found 12/26$453
This SmartFares deal was found by Cheapflights users on 12/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:58 pmSTI - BOS
Nonstop3h 59mJetBlue
Sat 1/2411:40 pmBOS - STI
Nonstop3h 52mJetBlue
Deal found 12/27$457
This CheapOair deal was found by Cheapflights users on 12/26. 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.
Wed 12/3112:10 pmSTI - BOS
Nonstop4h 02mJetBlue
Sun 1/258:04 pmBOS - STI
1 stop13h 33mJetBlue
Deal found 12/26$461
This CheapOair deal was found by Cheapflights users on 12/27. 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.
Tue 12/3012:10 pmSTI - BOS
Nonstop4h 02mJetBlue
Sun 1/411:59 pmBOS - STI
Nonstop3h 51mJetBlue
Deal found 12/27$478

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 December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$327
(Mytrip)

One-way from

$205
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$477

Good round-trip deal

$265 or less

Good one-way deal

$265 or less
Provider with most accurate pricing for Santiago de los Caballeros-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Santiago de los Caballeros-Boston Logan Intl flights.
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From Santiago de los Caballeros to Boston Logan Intl
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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. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Santiago de los Caballeros to Boston Logan Intl.
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Price to beat on a one-way flight from Santiago de los Caballeros to Boston Logan Intl.
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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 December 28, 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

Fri 1/23

4:40 pm-2:38 pm

2 stops22h 58m

Boston Logan Intl

Tue 2/3

5:34 am-3:33 pm

1 stop8h 59m

$327

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Tue 1/13

4:40 pm-11:57 pm

1 stop8h 17m

Boston Logan Intl

Mon 2/9

5:34 am-3:33 pm

1 stop8h 59m

$331

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Wed 1/14

4:40 pm-11:10 am

2 stops19h 30m

Boston Logan Intl

Thu 1/22

5:34 am-3:33 pm

1 stop8h 59m

$338

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Mon 1/26

4:40 pm-5:44 pm

3 stops26h 04m

Boston Logan Intl

Mon 2/2

5:34 am-3:33 pm

1 stop8h 59m

$348

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Sun 2/8

4:40 pm-11:57 pm

1 stop8h 17m

Boston Logan Intl

Sun 2/15

11:59 pm-4:49 am

Nonstop3h 50m

$353

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Thu 2/26

6:00 am-12:53 pm

1 stop7h 53m

Boston Logan Intl

Mon 3/2

7:45 am-11:51 pm

2 stops15h 06m

$358

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Fri 1/23

4:40 pm-11:57 pm

1 stop8h 17m

Boston Logan Intl

Tue 2/3

8:00 am-12:56 pm

Nonstop3h 56m

$359

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Tue 1/13

4:40 pm-11:57 pm

1 stop8h 17m

Boston Logan Intl

Sun 2/22

5:27 am-3:35 pm

1 stop9h 08m

$359

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Fri 1/23

4:40 pm-11:57 pm

1 stop8h 17m

Boston Logan Intl

Fri 1/30

8:00 am-12:56 pm

Nonstop3h 56m

$359

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Thu 1/15

4:40 pm-11:57 pm

1 stop8h 17m

Boston Logan Intl

Sun 2/15

11:59 pm-4:49 am

Nonstop3h 50m

$361

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 20 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 26, 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, September is the cheapest month in which you can book a flight from Santiago de los Caballeros to Boston (average of $185). 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 December 28, 2025.

It’s typically best to fly out from Santiago de los Caballeros to Boston at noon. Doing so could potentially save you 11% on the flight price compared to flying in the morning, which is usually more expensive.

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 December 28, 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
2,902 reviews

Boarding

7.4

Entertainment

7.2

Food

6.7

Overall

7.2

Comfort

7.5

Crew

8.0

Reviews

1 / 20
4.0
Okay

Jeff,Dec 2025

LAX - BOS

We boarded an hour and a half late and the crew was very salty when asked why. Still got no reason other than someone took the intended plane? Won't fly with them again.
JetBlue
7.2
Good
2,902 reviews
JetBlue
7.2
Good
2,902 reviews

Boarding

7.4

Entertainment

7.2

Food

6.7

Overall

7.2

Comfort

7.5

Crew

8.0

Reviews

1 / 20
4.0
Okay

Jeff,Dec 2025

LAX - BOS

We boarded an hour and a half late and the crew was very salty when asked why. Still got no reason other than someone took the intended plane? Won't fly with them again.
Spirit Airlines
6.3
Okay
8,212 reviews
JetBlue
7.2
Good
2,902 reviews

Boarding

7.4

Entertainment

7.2

Food

6.7

Overall

7.2

Comfort

7.5

Crew

8.0

Reviews

1 / 20
4.0
Okay

Jeff,Dec 2025

LAX - BOS

We boarded an hour and a half late and the crew was very salty when asked why. Still got no reason other than someone took the intended plane? Won't fly with them again.

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?

    Spirit Airlines can get you from Santiago de los Caballeros to Boston in just under 22h 58m. Your travel time can differ by up to . The distance from Santiago de los Caballeros to Boston is about 1585 mi.

  • 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 $429, our data indicates the cheapest price to be $228. The most popular route (Santiago de los Caballeros - Boston Logan Intl), is priced around $268.

  • 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, September is the cheapest month in which you can book a flight from Santiago de los Caballeros to Boston (average of $185). 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
Brockton
Cranston
Lincoln
Lowell
Smithfield
Peabody
Quincy
York Beach
Warwick
Londonderry
Swansea
Old Orchard Beach
Waltham
Chelsea

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Alternative routes for Santiago de los Caballeros to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$305Average$357FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$383Average$544FlexibilityNo cancel feeOn-time62%

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