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

The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $179. 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 most popular airlines that fly from Boston to Santiago de los Caballeros?

Before booking your flight from Boston to Santiago de los Caballeros check out the most popular airlines for this route: American Airlines, JetBlue or Delta.

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

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 11% on your flight compared to booking on days when demand is much higher.

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

To save on the cost of your flight from Boston to Santiago de los Caballeros, book at least 21 days before your planned departure. Booking around this time can save you about 21% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $511 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $529.

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

Our data shows that November tends to be the cheapest month to fly to Santiago de los Caballeros from Boston. Users have commonly found prices around $517 for the month, but tickets can be as low as $342. Due to multiple factors, prepare for potentially higher prices in December.

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.

$179+ Flights from Boston to Santiago de los Caballeros

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Boston Logan Intl to Santiago de los Caballeros are usually found in November or January, booked 82 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Boston to Santiago de los Caballeros

Round-trip from	$388 (JetBlue)
One-way from	$179 (JetBlue)
Popular in	December
Cheapest in	November
Average price	$544
Good round-trip deal	$439 or less
Good one-way deal	$241 or less

From Boston Logan Intl to Santiago de los Caballeros

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One-way flight from Boston Logan Intl to Santiago de los Caballeros

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Highest demand for flights based on searches. 8% potential increase in price ($48 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Price to beat on a round-trip flight from Boston Logan Intl to Santiago de los Caballeros.

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Price to beat on a one-way flight from Boston Logan Intl to Santiago de los Caballeros.

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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 June 12, 2025.

Tue 9/307:05 amBOS - STI

Nonstop3h 49mJetBlue

Sun 10/55:05 amSTI - BOS

Nonstop3h 49mJetBlue

Deal found 6/10

$388

Wed 10/87:15 pmBOS - STI

2 stops17h 02mAmerican Airlines

Wed 11/54:36 pmSTI - BOS

1 stop8h 43mAmerican Airlines

Deal found 6/9

$389

Wed 10/16:00 amBOS - STI

1 stop6h 28mDelta

Thu 10/29:20 pmSTI - BOS

1 stop10h 05mDelta

Deal found 6/10

$391

Wed 7/98:39 pmBOS - STI

1 stop13h 11mMultiple Airlines

Wed 7/1610:55 amSTI - BOS

2 stops28h 48mMultiple Airlines

Deal found 6/11

$392

Sat 8/28:39 pmBOS - STI

1 stop13h 11mSpirit Airlines

Sun 8/2410:20 amSTI - BOS

1 stop13h 29mSpirit Airlines

Deal found 6/12

$397

Mon 9/229:43 amBOS - STI

2 stops16h 03mUnited Airlines

Fri 9/264:23 pmSTI - BOS

2 stops17h 33mUnited Airlines

Deal found 6/11

$465

Best flights from Boston to Santiago de los Caballeros
Discover carefully curated flight deals from Boston to Santiago de los Caballeros that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Tue 9/307:05 amBOS - STI

Nonstop3h 49mJetBlue

Mon 10/65:05 amSTI - BOS

Nonstop3h 49mJetBlue

Deal found 6/10

$388

Wed 10/87:15 pmBOS - STI

2 stops17h 02mAmerican Airlines

Wed 11/54:36 pmSTI - BOS

1 stop8h 43mAmerican Airlines

Deal found 6/9

$389

Wed 10/16:00 amBOS - STI

1 stop6h 28mDelta

Thu 10/29:20 pmSTI - BOS

1 stop10h 05mDelta

Deal found 6/10

$391

Wed 7/98:39 pmBOS - STI

1 stop13h 11mMultiple Airlines

Wed 7/1610:55 amSTI - BOS

2 stops28h 48mMultiple Airlines

Deal found 6/11

$392

Sat 8/28:39 pmBOS - STI

1 stop13h 11mSpirit Airlines

Sun 8/2410:20 amSTI - BOS

1 stop13h 29mSpirit Airlines

Deal found 6/12

$397

Mon 9/229:43 amBOS - STI

2 stops16h 03mUnited Airlines

Fri 9/264:23 pmSTI - BOS

2 stops17h 33mUnited Airlines

Deal found 6/11

$465

Last-minute flights from Boston to Santiago de los Caballeros
Discover last-minute flight deals from Boston to Santiago de los Caballeros. Data last updated June 12, 2025 and is based on user searches.

Sat 6/145:05 pmBOS - STI

1 stop7h 37mDelta

Thu 6/198:53 pmSTI - BOS

1 stop11h 07mDelta

Deal found 6/10

$490

Fri 6/206:00 amBOS - STI

Nonstop4h 03mJetBlue

Sun 7/2011:15 amSTI - BOS

Nonstop4h 00mJetBlue

Deal found 6/10

$393

Fri 6/206:13 pmBOS - STI

1 stop18h 27mAmerican Airlines

Fri 6/277:05 amSTI - BOS

2 stops14h 45mAmerican Airlines

Deal found 6/11

$589

Fri 6/209:00 amBOS - STI

1 stop10h 27mDelta

Thu 6/268:53 pmSTI - BOS

1 stop11h 07mDelta

Deal found 6/10

$602

Sat 6/214:44 pmBOS - STI

1 stop17h 45mSpirit Airlines

Fri 7/1110:55 amSTI - BOS

1 stop8h 39mSpirit Airlines

Deal found 6/9

$427

Sat 6/2112:29 pmBOS - STI

2 stops24h 28mUnited Airlines

Fri 6/276:00 amSTI - BOS

1 stop10h 29mUnited Airlines

Deal found 6/11

$676

Sun 6/229:44 amBOS - STI

2 stops27h 06mMultiple Airlines

Wed 7/910:55 amSTI - BOS

1 stop8h 39mMultiple Airlines

Deal found 6/10

$446

Sun 7/67:20 amBOS - STI

1 stop13h 59mAmerican Airlines

Fri 7/117:04 amSTI - BOS

2 stops10h 19mAmerican Airlines

Deal found 6/10

$429

Wed 7/98:39 pmBOS - STI

1 stop13h 11mSpirit Airlines

Wed 7/1610:55 amSTI - BOS

2 stops21h 42mSpirit Airlines

Deal found 6/9

$391

Wed 7/98:39 pmBOS - STI

1 stop13h 11mMultiple Airlines

Wed 7/1610:55 amSTI - BOS

2 stops28h 48mMultiple Airlines

Deal found 6/11

$392

One-way flights from Boston to Santiago de los Caballeros
Search for one-way flight options from Boston to Santiago de los Caballeros. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Wed 8/276:00 amBOS - STI

Nonstop4h 03mJetBlue

Deal found 6/10

$179

Sat 7/54:44 pmBOS - STI

1 stop17h 45mSpirit Airlines

Deal found 6/10

$181

Wed 8/274:55 pmBOS - STI

1 stop7h 52mDelta

Deal found 6/10

$184

Tue 8/57:00 amBOS - STI

2 stops14h 19mAmerican Airlines

Deal found 6/9

$188

Tue 7/16:15 amBOS - STI

2 stops30h 35mMultiple Airlines

Deal found 6/12

$194

Thu 7/105:30 amBOS - STI

2 stops9h 42mUnited Airlines

Deal found 6/10

$462

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Sat 9/6

7:05 am-10:54 am

Nonstop3h 49m

Santiago de los Caballeros

Thu 10/2

12:06 pm-4:00 pm

Nonstop3h 54m

$388

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Fri 9/5

5:23 pm-11:24 am

1 stop18h 01m

Santiago de los Caballeros

Mon 9/8

12:19 pm-12:39 am

1 stop12h 20m

$389

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Wed 7/9

8:39 pm-9:50 am

1 stop13h 11m

Santiago de los Caballeros

Wed 7/16

10:55 am-3:43 pm

2 stops28h 48m

$392

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Mon 8/25

8:03 am-8:48 pm

1 stop12h 45m

Santiago de los Caballeros

Wed 9/3

1:29 pm-9:28 am

2 stops19h 59m

$394

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Wed 8/27

6:00 am-10:03 am

Nonstop4h 03m

$179

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Sat 7/5

4:44 pm-10:29 am

1 stop17h 45m

$181

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Tue 8/5

7:00 am-9:19 pm

2 stops14h 19m

$188

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Thu 8/21

6:05 am-12:43 pm

1 stop6h 38m

$189

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Sun 6/29

6:15 am-12:50 pm

2 stops30h 35m

$205

BostonSantiago de los Caballeros

BOS - STI

BOSSTI

Boston Logan Intl

Thu 7/10

5:30 am-3:12 pm

2 stops9h 42m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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?

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 82 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 $630). 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?

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 morning tend to be the most expensive. A flight at noon could potentially save you up to 3% on airfare.

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

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. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Santiago de los Caballeros 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

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

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.

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

JetBlue

7.3

Good

2,925 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Spirit Airlines

6.3

Okay

8,052 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Boston to Santiago de los Caballeros round-trip?
Currently priced at $388, JetBlue will fly you from Boston to Santiago de los Caballeros and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $389 and $391, respectively. JetBlue is priced at 24% 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 JetBlue, with whom users have recently found tickets for as low as $179. 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 $421, our data indicates the cheapest price to be $179. The most popular route (Boston Logan Intl - Santiago de los Caballeros), is priced around $344.
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 $630). 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

Top 6 airlines flying from Boston to Santiago de los Caballeros

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$92	Average$423	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$320	Average$434	FlexibilityNo cancel fee	On-time69%
JetBlue	Cheapest$376	Average$532	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$386	Average$831	FlexibilityNo cancel fee	On-time65%
Delta	Cheapest$390	Average$445	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$397	Average$465	FlexibilityNo cancel fee	On-time71%

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$179+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Santiago de los Caballeros with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Boston Logan Intl to Santiago de los Caballeros are usually found in November or January, booked 82 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Boston to Santiago de los Caballeros

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Boston to Santiago de los Caballeros

Cheapest flights from Boston to Santiago de los CaballerosExplore 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 June 12, 2025.

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 June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Santiago de los Caballeros that are best for you.

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.

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 June 9, 2025.

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

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 June 12, 2025.

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 June 8, 2025.

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.

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.

Reviews of airlines servicing Santiago de los Caballeros

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.

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

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

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

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

How can I 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?

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

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.

Alternative routes for Boston to Santiago de los Caballeros

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Boston to Santiago de los Caballeros

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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 June 12, 2025.