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$211+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
STI — BOS
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Santiago de los Caballeros to Boston Logan Intl are usually found in February or December, booked 52 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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 August 14, 2025.

Round-trip from

$348
(Cheapflightsfares)

One-way from

$211
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$609

Good round-trip deal

$522 or less

Good one-way deal

$295 or less
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
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Highest demand for flights based on searches. 7% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in August 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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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 August 14, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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.
Fri 9/1212:10 pmSTI - BOS
1 stop11h 47mSpirit Airlines
Thu 10/26:49 pmBOS - STI
1 stop16h 14mSpirit Airlines
Deal found 8/12$348
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Tue 11/41:10 pmSTI - BOS
1 stop11h 45mSpirit Airlines
Wed 11/125:45 amBOS - STI
1 stop10h 21mSpirit Airlines
Deal found 8/12$349
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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.
Sat 11/86:18 pmSTI - BOS
1 stop7h 22mSpirit Airlines
Sun 12/75:45 amBOS - STI
1 stop10h 21mSpirit Airlines
Deal found 8/14$353
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Sat 9/612:10 pmSTI - BOS
1 stop11h 47mSpirit Airlines
Sat 9/203:00 pmBOS - STI
1 stop20h 03mSpirit Airlines
Deal found 8/13$354
This Cheapflightsfares deal was found by Cheapflights users on 8/13. 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.
Wed 9/310:20 amSTI - BOS
1 stop13h 29mSpirit Airlines
Thu 9/186:49 pmBOS - STI
1 stop16h 14mSpirit Airlines
Deal found 8/13$358
This SmartFares deal was found by Cheapflights users on 8/13. 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 9/512:10 pmSTI - BOS
1 stop23h 03mSpirit Airlines
Tue 9/1612:20 pmBOS - STI
2 stops22h 43mSpirit Airlines
Deal found 8/13$359
This SmartFares deal was found by Cheapflights users on 8/13. 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.
Thu 10/212:10 pmSTI - BOS
1 stop23h 03mSpirit Airlines
Wed 10/156:11 amBOS - STI
1 stop28h 57mSpirit Airlines
Deal found 8/13$360
This Cheapflightsfares deal was found by Cheapflights users on 8/13. 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.
Sat 9/612:10 pmSTI - BOS
1 stop11h 47mSpirit Airlines
Sun 9/216:49 pmBOS - STI
1 stop16h 14mSpirit Airlines
Deal found 8/13$362
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Tue 11/41:10 pmSTI - BOS
1 stop11h 45mSpirit Airlines
Mon 11/105:45 amBOS - STI
1 stop10h 21mSpirit Airlines
Deal found 8/12$367
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/512:10 pmSTI - BOS
1 stop23h 03mSpirit Airlines
Sat 9/203:00 pmBOS - STI
1 stop20h 03mSpirit Airlines
Deal found 8/13$369
This SmartFares deal was found by Cheapflights users on 8/13. 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.
Mon 9/1512:10 pmSTI - BOS
1 stop23h 03mSpirit Airlines
Mon 9/2912:18 pmBOS - STI
2 stops22h 45mSpirit Airlines
Deal found 8/13$370

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 August 14, 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

Mon 9/15

12:10 pm-11:57 pm

1 stop11h 47m

Boston Logan Intl

Thu 10/16

8:05 pm-11:05 am

1 stop15h 00m

$348

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Fri 9/12

12:10 pm-11:57 pm

1 stop11h 47m

Boston Logan Intl

Thu 10/2

6:49 pm-11:03 am

1 stop16h 14m

$348

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Tue 11/4

1:10 pm-11:55 pm

1 stop11h 45m

Boston Logan Intl

Tue 11/11

5:45 am-5:06 pm

1 stop10h 21m

$349

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Tue 11/4

1:10 pm-11:55 pm

1 stop11h 45m

Boston Logan Intl

Sat 11/8

5:45 am-5:06 pm

1 stop10h 21m

$349

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Sat 11/8

6:18 pm-12:40 am

1 stop7h 22m

Boston Logan Intl

Sun 12/7

5:45 am-5:06 pm

1 stop10h 21m

$353

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Sat 9/6

12:10 pm-11:57 pm

1 stop11h 47m

Boston Logan Intl

Sat 9/20

3:00 pm-11:03 am

1 stop20h 03m

$354

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Mon 10/20

12:13 pm-11:55 pm

1 stop11h 42m

Boston Logan Intl

Sun 10/26

8:24 pm-11:05 am

1 stop14h 41m

$354

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Wed 9/3

10:20 am-11:49 pm

1 stop13h 29m

Boston Logan Intl

Thu 9/18

6:49 pm-11:03 am

1 stop16h 14m

$358

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Tue 9/9

12:10 pm-1:48 pm

2 stops25h 38m

$211

Santiago de los CaballerosBoston

STI - BOS

STIBOS

Santiago de los Caballeros

Sat 9/6

12:10 pm-1:48 pm

2 stops25h 38m

$212

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 17 results
1
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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 August 8, 2025.

The best time to book flights from Santiago de los Caballeros to Boston is 52 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, January is the cheapest month in which you can book a flight from Santiago de los Caballeros to Boston (average of $218). Flying from Santiago de los Caballeros to Boston in July is currently the most expensive (average of $311). 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 August 14, 2025.

It’s typically best to fly out from Santiago de los Caballeros to Boston at noon. Doing so could potentially save you 17% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Santiago de los Caballeros to Boston

Explore weekly flight availability from Santiago de los Caballeros to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 14, 2025.

The most flights from STI to BOS are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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 August 14, 2025.
See what other customers who have flown with Delta and JetBlue 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.
Delta
8.0
Very good
7,980 reviews

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
JetBlue
7.2
Good
2,914 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

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 3 flights from Santiago to Boston per day from 2 airlines.

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

    Delta, at $367, was found to be the cheapest airline from Santiago de los Caballeros to Boston. An alternate airline flying to your destination would be JetBlue. Delta is currently priced 28% 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 $496, our data indicates the cheapest price to be $241. The most popular route (Santiago de los Caballeros - Boston Logan Intl), is priced around $285.

  • 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, January is the cheapest month in which you can book a flight from Santiago de los Caballeros to Boston (average of $218). Flying from Santiago de los Caballeros to Boston in July is currently the most expensive (average of $311). 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
Watertown
Hampton Beach
Waltham
Seabrook
Lowell
Lincoln
Smithfield
Cranston
Chestnut Hill
Warwick
Peabody
Quincy
York Beach
Chelsea
Swansea
Saugus
Burlington
Braintree

Browse thousands of different options on Cheapflights for your next trip

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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.
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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$367Average$392FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$382Average$511FlexibilityNo cancel feeOn-time62%

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