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Cheap flights from Boston to Santiago de los Caballeros from $162

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 5/25. 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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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.
Spirit Airlines Logo
6:10 am - 2:48 pmBOS-STI
8h 38m1 stop
Spirit Airlines Logo
3:53 pm - 11:29 pmSTI-BOS
7h 36m1 stop
$347Spirit Airlines
Find Deal
jue., may. 29 - jue., jun. 5
Spirit Airlines Logo
6:10 am - 2:48 pmBOS-STI
8h 38m1 stop
Spirit Airlines Logo
3:53 pm - 11:29 pmSTI-BOS
7h 36m1 stop
$352Spirit Airlines
Find Deal
dom., may. 18 - jue., may. 22
JetBlue Logo
5:01 am - 9:05 amBOS-STI
4h 04mnonstop
JetBlue Logo
10:15 am - 2:16 pmSTI-BOS
4h 01mnonstop
$376JetBlue
Find Deal
mié., may. 28 - mié., jun. 4
JetBlue Logo
5:01 am - 9:05 amBOS-STI
4h 04mnonstop
JetBlue Logo
3:45 am - 7:44 amSTI-BOS
3h 59mnonstop
$381JetBlue
Find Deal
vie., may. 16 - jue., may. 22
Delta Logo
5:05 pm - 12:14 amBOS-STI
7h 09m1 stop
Delta Logo
6:11 am - 3:47 pmSTI-BOS
9h 36m1 stop
$391Delta
Find Deal
mié., may. 28 - mié., jun. 4
Delta Logo
5:05 pm - 12:14 amBOS-STI
7h 09m1 stop
Delta Logo
6:11 am - 3:47 pmSTI-BOS
9h 36m1 stop
$396Delta
Find Deal
sáb., may. 31 - mar., jun. 3
American Airlines Logo
6:36 pm - 3:00 pmBOS-STI
20h 24m2 stops
American Airlines Logo
3:50 pm - 10:01 amSTI-BOS
18h 11m2 stops
$417American Airlines
Find Deal
mar., may. 6 - jue., may. 15
United Airlines Logo
7:09 pm - 1:46 amBOS-STI
6h 37m1 stop
United Airlines Logo
2:07 pm - 10:24 pmSTI-BOS
8h 17m1 stop
$421United Airlines
Find Deal
dom., may. 25 - mié., jun. 4
United Airlines Logo
8:05 am - 3:12 pmBOS-STI
7h 07m1 stop
United Airlines Logo
6:00 am - 5:34 pmSTI-BOS
11h 34m2 stops
$425United Airlines
Find Deal
vie., may. 2 - mié., may. 14
American Airlines Logo
6:39 pm - 2:26 pmBOS-STI
19h 47m2 stops
American Airlines Logo
3:50 pm - 9:29 amSTI-BOS
17h 39m2 stops
$447American Airlines
Find Deal
lun., abr. 28 - lun., may. 19

JetBlue flights from Boston to Santiago de los Caballeros

Our best JetBlue deals on Boston to Santiago de los Caballeros flight tickets
JetBlue
May 28
BOS5:01 amBoston Logan Intl
4h 04m
STI9:05 amSantiago de los Caballeros
Jun 4
STI10:15 amSantiago de los Caballeros
4h 01m
BOS2:16 pmBoston Logan Intl
JetBlue
May 16
BOS5:01 amBoston Logan Intl
4h 04m
STI9:05 amSantiago de los Caballeros
May 22
STI3:45 amSantiago de los Caballeros
3h 59m
BOS7:44 amBoston Logan Intl
JetBlue
May 16
BOS5:01 amBoston Logan Intl
4h 04m
STI9:05 amSantiago de los Caballeros
May 24
STI3:45 amSantiago de los Caballeros
3h 59m
BOS7:44 amBoston Logan Intl

United Airlines flights from Boston to Santiago de los Caballeros

Our best United Airlines deals on Boston to Santiago de los Caballeros flight tickets
United Airlines
May 25
BOS7:09 pmBoston Logan Intl
6h 37m
1 stop
STI1:46 amSantiago de los Caballeros
Jun 4
STI2:07 pmSantiago de los Caballeros
8h 17m
1 stop
BOS10:24 pmBoston Logan Intl
United Airlines
May 2
BOS8:05 amBoston Logan Intl
7h 07m
1 stop
STI3:12 pmSantiago de los Caballeros
May 14
STI6:00 amSantiago de los Caballeros
11h 34m
2 stops
BOS5:34 pmBoston Logan Intl
United Airlines
Apr 30
BOS7:00 amBoston Logan Intl
8h 12m
1 stop
STI3:12 pmSantiago de los Caballeros
May 6
STI6:00 amSantiago de los Caballeros
17h 59m
2 stops
BOS11:59 pmBoston 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 January is also cheap. Prices for this month can be found on momondo for an average of $433.

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 $495. 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 $584.

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 $516. In the evening is when there is more demand to fly to Santiago de los Caballeros, so prices are often more expensive at around $533 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 $516 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 $470 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 April 2025, prices for Boston to Santiago de los Caballeros flights are approximately 20% 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

$162

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 $162. The best round-trip flight deal from Boston to Santiago de los Caballeros found on momondo in the last 72 hours is $347.
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
3,281 reviews
Search Frontier flights
United AirlinesPriceFrom $321Free CancellationRating
7.4
8,667 reviews
Search United Airlines flights
DeltaPriceFrom $345Free CancellationRating
8.0
7,917 reviews
Search Delta flights
American AirlinesPriceFrom $354Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
JetBluePriceFrom $368Free CancellationRating
7.3
2,926 reviews
Search JetBlue flights
Spirit AirlinesPriceFrom $400Free CancellationRating
6.3
7,926 reviews
Search Spirit Airlines 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 13 flights/week on average for this route. A good JetBlue flight deal for Boston to Santiago de los Caballeros starts from $368 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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mar. 4/22
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