$134 Cheap Flights from Boston (BOS) to Santiago (STI)

View $134 flight on Tue, Sep 1, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Cibao Intl. Airport (STI)

Cheap Flights from Boston to Santiago (BOS-STI)

Prices were available within the past 7 days and start at $134 for one-way flights and $277 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Mon, Mar 16 - Wed, Apr 15
BOS
Boston
STI
Santiago de los Caballeros
$277 Roundtrip, found 3 days ago
$277
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Mon, Mar 16 from Boston to Santiago de los Caballeros, returning Wed, Apr 15, priced at $277 found 3 days ago
American Airlines
Tue, Apr 28 - Wed, May 13
BOS
Boston
STI
Santiago de los Caballeros
$291 Roundtrip, found 12 hours ago
$291
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue, Apr 28 from Boston to Santiago de los Caballeros, returning Wed, May 13, priced at $291 found 12 hours ago
Delta
Tue, Mar 24 - Sun, Apr 19
BOS
Boston
STI
Santiago de los Caballeros
$291 Roundtrip, just found
$291
Roundtrip
just found
Select Delta flight, departing Tue, Mar 24 from Boston to Santiago de los Caballeros, returning Sun, Apr 19, priced at $291 just found
Spirit Airlines
Tue, May 19 - Fri, Jun 5
BOS
Boston
STI
Santiago de los Caballeros
$293 Roundtrip, found 4 days ago
$293
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Tue, May 19 from Boston to Santiago de los Caballeros, returning Fri, Jun 5, priced at $293 found 4 days ago
American Airlines
Mon, Jul 13 - Fri, Jul 24
BOS
Boston
STI
Santiago de los Caballeros
$295 Roundtrip, just found
$295
Roundtrip
just found
Select American Airlines flight, departing Mon, Jul 13 from Boston to Santiago de los Caballeros, returning Fri, Jul 24, priced at $295 just found
American Airlines
Wed, May 6 - Wed, May 13
BOS
Boston
STI
Santiago de los Caballeros
$298 Roundtrip, found 3 hours ago
$298
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, May 6 from Boston to Santiago de los Caballeros, returning Wed, May 13, priced at $298 found 3 hours ago
Delta
Mon, Apr 6 - Wed, May 6
BOS
Boston
STI
Santiago de los Caballeros
$299 Roundtrip, just found
$299
Roundtrip
just found
Select Delta flight, departing Mon, Apr 6 from Boston to Santiago de los Caballeros, returning Wed, May 6, priced at $299 just found
American Airlines
Tue, Mar 24 - Sun, Apr 19
BOS
Boston
STI
Santiago de los Caballeros
$300 Roundtrip, just found
$300
Roundtrip
just found
Select American Airlines flight, departing Tue, Mar 24 from Boston to Santiago de los Caballeros, returning Sun, Apr 19, priced at $300 just found
JetBlue Airways
Tue, Apr 28 - Tue, May 12
BOS
Boston
STI
Santiago de los Caballeros
$372 Roundtrip, found 1 hour ago
$372
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Tue, Apr 28 from Boston to Santiago de los Caballeros, returning Tue, May 12, priced at $372 found 1 hour ago
United
Tue, Apr 7 - Thu, May 7
BOS
Boston
STI
Santiago de los Caballeros
$387 Roundtrip, just found
$387
Roundtrip
just found
Select United flight, departing Tue, Apr 7 from Boston to Santiago de los Caballeros, returning Thu, May 7, priced at $387 just found

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Alternative airports near Santiago de los Caballeros

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gregorio Luperon Intl. POP. Cheapest option available. Average driving time to city center is 59 minutes. Flights from $320
POP
Gregorio Luperon Intl.
Cheapest
Average driving time to city center59 min
Flights from $320

Find the cheapest month to fly from Boston (BOS) to Santiago de los Caballeros (STI)

February is typically the cheapest month to fly

From $265 - $494 per traveler.

Frequently asked questions

How much does a flight from Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.) cost?
You can find cheap one-way flights from $134 and cheap return flights from $277 Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.) with Expedia. One-way flights generally range between $202 and $682, and roundtrip flights usually range from $406 to $1181. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.)?
September is the cheapest month to fly from Boston to Santiago, with average return fares around $431. This price is about 18% lower than the average throughout the year, as travel demand typically decreases after the summer. Other affordable months to consider are March and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.)?
JetBlue Airways operates around 16 direct flights from BOS to STI every week.
What is the cheapest airline that flies from Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.)?
Delta is one of the cheapest airlines offering connecting flights from Logan Intl. (BOS) to Cibao Intl. (STI), with round-trip tickets starting from around $401. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.)?
To find a cheap flight from Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.)?
The best airline to fly with from Boston, MA (BOS) to Santiago (STI) will differ from traveler to traveler. If you like to fly early, JetBlue Airways offers early morning flights. If price is the most important factor, JetBlue Airways typically offers the lowest fares. American Airlines offers the most daily flights from Boston to Santiago, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.)?
The best time to fly from Boston to Santiago is typically in September or October. During these months, you can expect average return flight prices around $431, making it a budget-friendly option. September and October also offer pleasant weather in Santiago, allowing you to enjoy your trip without the peak season crowds.*Prices based on flights available on Expedia in the last year.
How many flights per day from Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.)?
On average, there are around 2 nonstop flights per day from Logan Intl. (BOS) to Cibao Intl. (STI). For more options, look at flights that include layovers.
What is the earliest flight from Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.)?
The earliest flight from Boston (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.) typically departs at 12:15 AM, operated by United. This is a seasonal service active in December, allowing you to start your journey early and make the most of your time in Santiago. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.)?
The most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.) are in the early morning, from 6am to 9am. About 27% of passengers prefer this time window. Many major carriers, including JetBlue Airways, Delta Airlines, and American Airlines, offer flights during this window. This timing is favored as it helps you maximize your time in Santiago upon arrival.
How long does it take to fly from Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.)?
Flying nonstop from BOS to STI takes around 4 hours, with the route covering approximately 1,587 miles. Flights with a layover typically take 2 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.)?
First class seats are offered on the BOS to STI route with Spirit Airlines.
How do I earn miles on a Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.) flight with Expedia?
It's easy to earn miles on a Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Santiago from Logan Intl. (BOS)?
When traveling from Logan Intl. (BOS) to Santiago, you can fly into Cibao Intl. (STI) and Arturo Merino Benitez (SCL). Some flights may connect through major hubs like Ronald Reagan Washington National (DCA), Charlotte-Douglas Intl. (CLT), Philadelphia Intl. (PHL) before reaching Santiago. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.) at the last minute?
Typically, booking a last minute flight from Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.) flight and hotel package?
Securing a Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.)?
If you booked your Boston, MA (BOS-Logan Intl.) to Santiago (STI-Cibao Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Logan Intl.
Destination airport
Cibao Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Spirit Airlines, United
Roundtrip price
$276
Distance
1586 mi
Average flight time
3 hours 50 mins

Book with confidence

Boston to Santiago Flights

The cheapest times to fly from Boston to Santiago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Santiago are during the month of March. You can find some of the cheapest flights from Boston to Santiago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Santiago

Sunday is one of the best days to book for cheap flights from Boston to Santiago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Santiago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Santiago in 2026. You can also book with separate airlines for your outbound and return journeys, from $134 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Santiago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Santiago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Boston to Santiago Flights

*Flight schedules are subject to change.

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*Available to One Key members.