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Cheap flights from Boston to Santiago de los Caballeros from $161

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Santiago de los Caballeros departing on 5/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boston to Santiago de los Caballeros

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Boston to Santiago de los Caballeros.
10:34 pm - 2:27 amBOS-STI
3h 53mnonstop
3:45 am - 7:44 amSTI-BOS
3h 59mnonstop
$336JetBlue
Find Deal
Wed, Apr 30 - Sun, May 11
5:15 pm - 12:27 amBOS-STI
7h 12m1 stop
6:11 am - 3:31 pmSTI-BOS
9h 20m1 stop
$342Delta
Find Deal
Tue, Apr 29 - Mon, May 12
6:10 am - 2:48 pmBOS-STI
8h 38m1 stop
3:53 pm - 11:29 pmSTI-BOS
7h 36m1 stop
$347Spirit Airlines
Find Deal
Thu, May 8 - Thu, May 15
5:15 am - 2:26 pmBOS-STI
9h 11m2 stops
3:50 pm - 11:24 amSTI-BOS
19h 34m2 stops
$355American Airlines
Find Deal
Tue, Apr 29 - Tue, May 6
11:26 am - 4:00 pmBOS-STI
28h 34m1 stop
5:10 pm - 10:36 amSTI-BOS
17h 26m1 stop
$369Frontier
Find Deal
Thu, Apr 24 - Mon, Apr 28
6:10 am - 2:48 pmBOS-STI
8h 38m1 stop
3:53 pm - 7:13 amSTI-BOS
15h 20m2 stops
$413Spirit Airlines
Find Deal
Thu, May 8 - Thu, May 15
11:16 am - 5:26 pmBOS-STI
30h 10m1 stop
6:40 pm - 10:16 amSTI-BOS
15h 36m1 stop
$442Frontier
Find Deal
Wed, Apr 9 - Fri, Apr 11
7:09 pm - 1:46 amBOS-STI
6h 37m1 stop
6:00 am - 11:59 pmSTI-BOS
17h 59m2 stops
$452United Airlines
Find Deal
Tue, May 27 - Wed, Jun 4
5:30 am - 3:12 pmBOS-STI
9h 42m2 stops
6:00 am - 11:59 pmSTI-BOS
17h 59m2 stops
$457United Airlines
Find Deal
Thu, May 1 - Fri, May 9
5:49 am - 9:05 pmBOS-STI
15h 16m2 stops
7:05 am - 9:49 pmSTI-BOS
14h 44m2 stops
$462American Airlines
Find Deal
Sun, Jun 8 - Wed, Jun 11

JetBlue flights from Boston to Santiago de los Caballeros

Our best JetBlue deals on Boston to Santiago de los Caballeros flight tickets
JetBlue
Apr 30
BOS10:34 pmBoston Logan Intl
3h 53m
STI2:27 amSantiago de los Caballeros
May 11
STI3:45 amSantiago de los Caballeros
3h 59m
BOS7:44 amBoston Logan Intl
JetBlue
May 1
BOS5:01 amBoston Logan Intl
4h 04m
STI9:05 amSantiago de los Caballeros
May 9
STI10:30 amSantiago de los Caballeros
4h 01m
BOS2:31 pmBoston Logan Intl
JetBlue
May 2
BOS10:34 pmBoston Logan Intl
3h 53m
STI2:27 amSantiago de los Caballeros
May 11
STI3:45 amSantiago de los Caballeros
3h 59m
BOS7:44 amBoston Logan Intl

Delta flights from Boston to Santiago de los Caballeros

Our best Delta deals on Boston to Santiago de los Caballeros flight tickets
Delta
Apr 29
BOS5:15 pmBoston Logan Intl
7h 12m
1 stop
STI12:27 amSantiago de los Caballeros
May 12
STI6:11 amSantiago de los Caballeros
9h 20m
1 stop
BOS3:31 pmBoston Logan Intl
Delta
Apr 7
BOS10:00 amBoston Logan Intl
9h 01m
1 stop
STI7:01 pmSantiago de los Caballeros
Apr 14
STI6:10 amSantiago de los Caballeros
8h 26m
1 stop
BOS2:36 pmBoston Logan Intl
Delta
Apr 3
BOS10:00 amBoston Logan Intl
9h 01m
1 stop
STI7:01 pmSantiago de los Caballeros
Apr 5
STI8:26 pmSantiago de los Caballeros
11h 04m
1 stop
BOS7:30 amBoston Logan Intl

See travel insights to Santiago de los Caballeros from

How to get the cheapest flight ticket from Boston to Santiago de los Caballeros

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

The cheapest month to fly to Santiago de los Caballeros from Boston is in November. Flight prices, which tend to average around $429, are often lower during this time because this is during the off-season. If you aren’t able to travel to Santiago de los Caballeros during the month of November, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $430.

What is the cheapest day to depart on your flight to Santiago de los Caballeros?

The cheapest day to depart from Boston to Santiago de los Caballeros is on a Tuesday when prices can be found for as low as $493. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Santiago de los Caballeros for around $586.

What is the cheapest time of day to depart on your flight to Santiago de los Caballeros?

Our data shows that the cheapest Boston to Santiago de los Caballeros flights are usually those with departure times at noon. Our users have found flights to Santiago de los Caballeros at noon for as low as $511. In the evening is when there is more demand to fly to Santiago de los Caballeros, so prices are often more expensive at around $534 per ticket.

What is the cheapest Boston Logan Intl to Santiago de los Caballeros flight route?

Fly from Boston Logan Intl to Santiago de los Caballeros for the best Boston Logan Intl - Santiago de los Caballeros flight prices

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

You are more likely to see cheaper flights to Santiago de los Caballeros from Boston when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Santiago de los Caballeros for around $517 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santiago de los Caballeros from Boston for as low as $469 on momondo.

What cabin class options are available on Boston Logan Intl to Santiago de los Caballeros flights?

There are 1 cabin classes available to choose from on Boston Logan Intl to Santiago de los Caballeros flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boston to Santiago de los Caballeros flight prices changed over time?

As of March 2025, prices for Boston to Santiago de los Caballeros flights are approximately 15% more expensive when compared to flights at the same time last year.

When to book flights from Boston to Santiago de los Caballeros

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Santiago de los Caballeros according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Santiago de los Caballeros (BOS to STI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Santiago de los Caballeros

Best Price Found

$161

Fastest flight time

3h 49m

Direct flights

Every day

Airports in Santiago de los Caballeros

1 airport
The best one-way flight to Santiago de los Caballeros from Boston in the past 72 hours is $161. The best round-trip flight deal from Boston to Santiago de los Caballeros found on momondo in the last 72 hours is $336.
The fastest flight from Boston to Santiago de los Caballeros takes 3h 49m
Direct flights go from Boston to Santiago de los Caballeros every day.
There is 1 airport near Santiago de los Caballeros: Santiago de los Caballeros (STI)

  • How far is Boston Logan Intl to Santiago de los Caballeros by plane?

    There are 1581.9 mi between Boston Logan Intl and Santiago de los Caballeros. Flights usually cover this in 3h 49m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Santiago de los Caballeros Airport?

    Prices for flights from Boston Logan Intl Airport to Santiago de los Caballeros Airport were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Santiago de los Caballeros Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Santiago de los Caballeros Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Santiago de los Caballeros Airport.

  • What documentation or ID do you need to fly to Santiago de los Caballeros Airport?

    The travel and health documents you'll need for your trip to Santiago de los Caballeros Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Santiago de los Caballeros Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Santiago de los Caballeros?

  • What is the most popular airline from Boston to Santiago de los Caballeros?


Best airlines flying from Boston to Santiago de los Caballeros

Compare and see reviews for airlines that fly from Boston to Santiago de los Caballeros with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $92Free CancellationRating
6.0
3,271 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $312Free CancellationRating
6.3
7,881 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $321Free CancellationRating
7.4
8,603 reviews
Search United Airlines flights
DeltaPriceFrom $345Free CancellationRating
8.0
7,895 reviews
Search Delta flights
American AirlinesPriceFrom $355Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
JetBluePriceFrom $359Free CancellationRating
7.3
2,923 reviews
Search JetBlue flights
  • JetBlue Flights From Boston to Santiago de los Caballeros

    JetBlue is one of the most popular airlines flying from Boston to Santiago de los Caballeros, operating 2 flights/week on average for this route. A good JetBlue flight deal for Boston to Santiago de los Caballeros starts from $359 round-trip, up to an average price of $532. Our users have rated JetBlue at 7.3/10.


Why use momondo?

Why should I use momondo to find a flight deal from Boston to Santiago de los Caballeros?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Santiago de los Caballeros from Boston.

Can I find flights from Boston to Santiago de los Caballeros with flexible booking policies on momondo?

momondo does allow users to show only those flights to Santiago de los Caballeros from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to Santiago de los Caballeros?

momondo provides multiple filters to help you find the best flight to Santiago de los Caballeros from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boston to Santiago de los Caballeros right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Boston to Santiago de los Caballeros now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Santiago de los Caballeros and let you know when they change.


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