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$197+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
STI — BOS
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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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 February or October, booked 53 days in advance, depart on a Tuesday or Thursday and return on a Thursday

Find 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 October 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Mon 12/83:43 amSTI - BOS
1 stop21h 14mMultiple Airlines
Mon 1/510:43 amBOS - STI
2 stops38h 59mMultiple Airlines
Deal found 10/22$356
This Kiwi.com deal was found by Cheapflights users on 10/23. 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.
Thu 11/131:17 pmSTI - BOS
1 stop11h 42mMultiple Airlines
Thu 12/411:28 amBOS - STI
2 stops38h 14mMultiple Airlines
Deal found 10/23$364
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Fri 11/141:17 pmSTI - BOS
1 stop11h 42mMultiple Airlines
Thu 12/411:28 amBOS - STI
2 stops38h 14mMultiple Airlines
Deal found 10/21$368
This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:00 amSTI - BOS
1 stop7h 33mUnited Airlines
Mon 1/124:15 pmBOS - STI
1 stop6h 36mUnited Airlines
Deal found 10/22$371
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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.
Mon 11/241:17 pmSTI - BOS
1 stop11h 36mSpirit Airlines
Thu 2/55:45 amBOS - STI
1 stop10h 21mSpirit Airlines
Deal found 10/21$377
This American Airlines deal was found by Cheapflights users on 10/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:32 pmSTI - BOS
1 stop9h 27mAmerican Airlines
Sat 1/176:17 pmBOS - STI
1 stop20h 19mAmerican Airlines
Deal found 10/23$385
This Delta deal was found by Cheapflights users on 10/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/52:29 pmSTI - BOS
1 stop8h 59mDelta
Wed 11/191:10 pmBOS - STI
1 stop10h 49mDelta
Deal found 10/22$386
This Kiwi.com deal was found by Cheapflights users on 10/23. 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.
Thu 11/131:17 pmSTI - BOS
1 stop11h 42mSpirit Airlines
Thu 12/45:50 amBOS - STI
1 stop19h 52mSpirit Airlines
Deal found 10/23$389
This SmartFares deal was found by Cheapflights users on 10/21. 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.
Fri 11/147:00 pmSTI - BOS
Nonstop3h 59mJetBlue
Thu 12/48:29 pmBOS - STI
1 stop11h 28mJetBlue
Deal found 10/21$391
This Kiwi.com deal was found by Cheapflights users on 10/23. 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.
Fri 12/193:43 amSTI - BOS
1 stop20h 59mMultiple Airlines
Tue 12/3010:37 amBOS - STI
2 stops39h 05mMultiple Airlines
Deal found 10/23$394

Cheap 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 October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$356
(Kiwi.com)

One-way from

$197
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$463

Good round-trip deal

$470 or less

Good one-way deal

$278 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. 6% potential increase in price ($35 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 October 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 October 23, 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

Sun 2/15

8:11 pm-7:24 am

1 stop12h 13m

Boston Logan Intl

Thu 2/19

6:00 am-11:54 pm

1 stop16h 54m

$346

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Tue 11/25

1:17 pm-11:53 pm

1 stop11h 36m

Boston Logan Intl

Fri 12/5

5:50 am-2:42 am

1 stop19h 52m

$364

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Sun 12/14

6:00 am-12:33 pm

1 stop7h 33m

Boston Logan Intl

Mon 1/12

4:15 pm-11:51 pm

1 stop6h 36m

$371

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Wed 11/5

2:29 pm-10:28 pm

1 stop8h 59m

Boston Logan Intl

Wed 11/19

1:10 pm-12:59 am

1 stop10h 49m

$386

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Wed 11/12

6:40 am-10:25 pm

1 stop16h 45m

Boston Logan Intl

Mon 11/24

1:10 pm-12:59 am

1 stop10h 49m

$405

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Sat 12/27

6:25 am-1:48 pm

1 stop8h 23m

Boston Logan Intl

Tue 1/6

9:55 am-11:54 pm

1 stop12h 59m

$405

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Sat 12/20

3:00 am-1:48 pm

1 stop11h 48m

Boston Logan Intl

Wed 12/31

11:29 am-2:51 am

1 stop14h 22m

$405

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Thu 12/25

6:25 am-5:15 pm

1 stop11h 50m

Boston Logan Intl

Thu 1/1

11:29 am-2:51 am

1 stop14h 22m

$405

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Fri 2/27

4:30 pm-10:02 am

1 stop18h 32m

Boston Logan Intl

Sun 3/1

1:08 pm-9:03 pm

1 stop6h 55m

$415

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Wed 12/24

3:43 am-1:19 am

2 stops22h 36m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/23

Showing 1-10 of 19 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santiago de los Caballeros-Boston flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 October 17, 2025.

The best time to book flights from Santiago de los Caballeros to Boston is 53 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 $183). Flying from Santiago de los Caballeros to Boston in October is currently the most expensive (average of $287). 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 October 23, 2025.

It’s typically best to fly out from Santiago de los Caballeros to Boston in the afternoon. Doing so could potentially save you 16% on the flight price compared to flying in the evening, 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 October 23, 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
2,908 reviews

Entertainment

7.3

Food

6.7

Comfort

7.6

Overall

7.2

Crew

8.0

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

JACK,Sep 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.
JetBlue
7.2
Good
2,908 reviews
JetBlue
7.2
Good
2,908 reviews

Entertainment

7.3

Food

6.7

Comfort

7.6

Overall

7.2

Crew

8.0

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

JACK,Sep 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.
Spirit Airlines
6.3
Okay
8,098 reviews
JetBlue
7.2
Good
2,908 reviews

Entertainment

7.3

Food

6.7

Comfort

7.6

Overall

7.2

Crew

8.0

Boarding

7.4

Reviews

1 / 20
10.0
Excellent

JACK,Sep 2025

JFK - MSY

I liked the professional services of the crew. Keep up the good work.

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 is 1 flight from Santiago to Boston per day from 2 airlines.

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

    Delta, Spirit Airlines, and United Airlines can get you from Santiago de los Caballeros to Boston in just under 7h 33m. Your travel time can differ by up to 4h 40m. 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 $305, 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 40% below the average price you’ll pay for this route.

  • 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 $459, our data indicates the cheapest price to be $243. The most popular route (Santiago de los Caballeros - Boston Logan Intl), is priced around $320.

  • 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 $183). Flying from Santiago de los Caballeros to Boston in October is currently the most expensive (average of $287). 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
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Peabody
Quincy
York Beach
Warwick
Swansea
Old Orchard Beach
Brockton
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
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Punta Cana 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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$305Average$357FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$382Average$521FlexibilityNo cancel feeOn-time62%

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