Santiago de los Caballeros

$160+ Cheap flights from Boston (BOS) to Santiago de los Caballeros (STI)

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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — STI
May 3 — May 101
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Santiago de los Caballeros 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 Boston Logan Intl to Santiago de los Caballeros are usually found in November or May, booked 20 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Boston to Santiago de los Caballeros

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Santiago de los Caballeros (STI). 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 April 28, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$380
(American Airlines)

One-way from

$160
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$511

Good round-trip deal

$450 or less

Good one-way deal

$237 or less
Provider with most accurate pricing for Boston Logan Intl-Santiago de los Caballeros flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-Santiago de los Caballeros flights.
From Boston Logan Intl to Santiago de los Caballeros
One-way flight from Boston Logan Intl to Santiago de los Caballeros
Highest demand for flights based on searches. 8% potential increase in price ($44 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Boston Logan Intl to Santiago de los Caballeros.
Price to beat on a one-way flight from Boston Logan Intl to Santiago de los Caballeros.

Find flight deals from Boston to Santiago de los Caballeros

Cheapest flights from Boston to Santiago de los Caballeros
Explore the most affordable flight options available from Boston to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2025.

This American Airlines deal was found by Cheapflights users on 4/28. 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.
Sat 9/65:18 pmBOS - STI
2 stops19h 02mAmerican Airlines
Sat 9/201:35 pmSTI - BOS
1 stop10h 52mAmerican Airlines
Deal found 4/28$380
This Delta deal was found by Cheapflights users on 4/28. 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.
Sat 10/185:00 pmBOS - STI
1 stop6h 44mDelta
Sat 10/259:03 pmSTI - BOS
1 stop10h 22mDelta
Deal found 4/28$381
This JetBlue deal was found by Cheapflights users on 4/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/115:01 amBOS - STI
Nonstop4h 04mJetBlue
Fri 5/233:45 amSTI - BOS
Nonstop3h 59mJetBlue
Deal found 4/28$383
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/186:10 amBOS - STI
1 stop8h 38mSpirit Airlines
Sat 6/1411:29 amSTI - BOS
1 stop11h 24mSpirit Airlines
Deal found 4/27$402
This eDestinos deal was found by Cheapflights users on 4/28. 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 5/67:45 amBOS - STI
2 stops18h 01mUnited Airlines
Wed 5/146:00 amSTI - BOS
1 stop9h 54mUnited Airlines
Deal found 4/28$404
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/37:52 pmBOS - STI
1 stop21h 41mMultiple Airlines
Thu 5/86:43 pmSTI - BOS
2 stops24h 15mMultiple Airlines
Deal found 4/27$456

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Santiago de los Caballeros 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 April 28, 2025.
Use the filters below to find and compare flights from Boston to Santiago de los Caballeros that are best for you.

Fly from

Boston

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Fri 5/30

10:00 am-5:50 pm

1 stop7h 50m

Santiago de los Caballeros

Sun 6/29

8:53 pm-7:59 am

1 stop11h 06m

$381

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Sun 5/11

5:01 am-9:05 am

Nonstop4h 04m

Santiago de los Caballeros

Fri 5/23

3:45 am-7:44 am

Nonstop3h 59m

$383

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Wed 7/16

8:30 am-9:15 pm

2 stops12h 45m

Santiago de los Caballeros

Wed 9/17

1:35 pm-8:05 am

2 stops18h 30m

$385

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Wed 5/14

5:15 am-1:46 am

2 stops20h 31m

Santiago de los Caballeros

Wed 6/18

2:07 pm-10:23 pm

1 stop8h 16m

$390

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Sun 5/18

6:10 am-2:48 pm

1 stop8h 38m

Santiago de los Caballeros

Sat 6/14

11:29 am-10:53 pm

1 stop11h 24m

$402

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Sat 5/3

7:52 pm-5:33 pm

1 stop21h 41m

Santiago de los Caballeros

Thu 5/8

6:43 pm-6:58 pm

2 stops24h 15m

$456

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Thu 5/29

6:10 am-2:00 pm

2 stops31h 50m

$161

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Tue 5/27

7:09 pm-1:46 am

1 stop6h 37m

$164

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Sun 5/25

6:10 am-2:48 pm

1 stop8h 38m

$176

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Sun 6/1

10:42 pm-2:35 am

Nonstop3h 53m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 12 results
1
2

Compare providers for flights from Boston to Santiago de los Caballeros

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 Boston to Santiago de los Caballeros in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust 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 Boston-Santiago de los Caballeros flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Boston-Santiago de los Caballeros flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Boston-Santiago de los Caballeros flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Santiago de los Caballeros flights, Cheapflights users trust AranGrant the most. AranGrant 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 Boston-Santiago de los Caballeros 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 Boston to Santiago de los Caballeros

Have a flexible travel schedule? Discover the best time to fly to Santiago de los Caballeros from Boston 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 Boston to Santiago de los Caballeros

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Santiago de los Caballeros. Price data was last updated on April 25, 2025.

The price you pay for your flight from Boston to Santiago de los Caballeros may vary depending on when you book. For the best chance of a lower fare, look to book 20 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, May is the cheapest month in which you can book a flight from Boston to Santiago de los Caballeros (average of $347). Flying from Boston to Santiago de los Caballeros in July is currently the most expensive (average of $631). 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 BOS to STI?

Find hourly flight availability from Boston to Santiago de los Caballeros. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 28, 2025.

One of the essential ways to save on airfare from Boston to Santiago de los Caballeros is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 4% on airfare.

What is the cheapest day to fly from Boston to Santiago de los Caballeros?

Use this chart to determine the cheapest time to fly round-trip from Boston to Santiago de los Caballeros. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Boston to Santiago de los Caballeros flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to Santiago de los Caballeros

Explore weekly flight availability from Boston to Santiago de los Caballeros. 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 April 28, 2025.

The most flights from BOS to STI are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santiago de los Caballeros ranges from 3.0 - 11.6 inches per month. December is typically the wettest month, when rainfall can reach 11.6 in. July is typically the driest time to visit Santiago de los Caballeros when rainfall is around 3.0 in.

Temperature in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santiago de los Caballeros, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

Reviews of airlines servicing Santiago de los Caballeros

Get insights into the airlines that provide service to Santiago de los Caballeros. 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 Santiago de los Caballeros. Reviews last updated April 28, 2025.
Read through reviews of airlines operating flights from Boston to Santiago de los Caballeros, such as Delta, United Airlines and JetBlue. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Boston to Santiago de los Caballeros. 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 Boston to Santiago de los Caballeros?

    Santiago de los Caballeros is the airport most travelers will use when flying to Santiago de los Caballeros from Boston Logan Intl. Booking flights from Logan Intl (BOS) to Santiago (STI) should be relatively easy as there are 2 daily flights to Santiago de los Caballeros from 6 different airlines. 3h 49m is how long a flight from Boston to Santiago de los Caballeros will take if you book a nonstop flight.

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

    Currently priced at $380, American Airlines will fly you from Boston to Santiago de los Caballeros and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and JetBlue - these airlines can fly you to your destination from $381 and $383, respectively. American Airlines is priced at 26% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $164. However, be on the lookout for offers from Spirit Airlines and Delta, as they are both options that can get you from Boston to Santiago de los Caballeros for a low price.

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

    Looking for the cheapest flight from Boston to Santiago de los Caballeros? While on average our users pay $391, our data indicates the cheapest price to be $189. The most popular route (Boston Logan Intl - Santiago de los Caballeros), is priced around $347.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to Santiago de los Caballeros 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 Boston to Santiago de los Caballeros?

    Currently, May is the cheapest month in which you can book a flight from Boston to Santiago de los Caballeros (average of $347). Flying from Boston to Santiago de los Caballeros in July is currently the most expensive (average of $631). 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

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.

Top 6 airlines flying from Boston to Santiago de los Caballeros

Discover the top 6 airlines that operate flights from Boston to Santiago de los Caballeros. 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 April 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$92Average$418FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$321Average$388FlexibilityNo cancel feeOn-time69%
DeltaCheapest$345Average$422FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$354Average$483FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$374Average$534FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$410Average$831FlexibilityNo cancel feeOn-time65%

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.