HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Santiago de los Caballeros

$155+ Cheap flights from Newark (EWR) 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — STI
Apr 3 — Apr 101
Fri 4/3
Fri 4/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Newark 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 Newark to Santiago de los Caballeros are usually found in October or September, booked 26 days in advance, depart on a Sunday or Wednesday and return on a Wednesday

Cheap flight deals from Newark to Santiago de los Caballeros

Cheapest flights from Newark to Santiago de los Caballeros
Explore the most affordable flight options available from Newark to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 4, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1710:30 pm
EWR
-
STI
2 stops16h 05m
Multiple Airlines
Mon 3/233:43 pm
STI
-
EWR
1 stop17h 26m
Multiple Airlines
Deal found 2/28$341
This eDestinos deal was found by Cheapflights users on 3/1. 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 3/107:58 am
EWR
-
STI
1 stop6h 35m
Spirit Airlines
Mon 3/302:46 am
STI
-
EWR
1 stop6h 23m
Spirit Airlines
Deal found 3/1$342
This Travelocity deal was found by Cheapflights users on 2/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:45 am
EWR
-
STI
1 stop8h 48m
Spirit Airlines
Mon 3/163:43 pm
STI
-
EWR
2 stops16h 08m
Spirit Airlines
Deal found 2/27$343
This eDestinos deal was found by Cheapflights users on 2/28. 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.
Sun 3/85:45 am
EWR
-
STI
1 stop8h 48m
Spirit Airlines
Thu 3/192:46 am
STI
-
EWR
2 stops20h 43m
Spirit Airlines
Deal found 2/28$344
This eDestinos deal was found by Cheapflights users on 3/1. 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.
Mon 3/95:45 am
EWR
-
STI
1 stop8h 48m
Spirit Airlines
Sun 3/152:46 am
STI
-
EWR
1 stop6h 23m
Spirit Airlines
Deal found 3/1$345
This Kiwi.com deal was found by Cheapflights users on 3/4. 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.
Tue 3/178:02 am
EWR
-
STI
1 stop6h 33m
Spirit Airlines
Tue 4/143:28 pm
STI
-
EWR
1 stop26h 32m
Spirit Airlines
Deal found 3/4$346
This CheapOair deal was found by Cheapflights users on 3/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/145:50 am
EWR
-
STI
2 stops19h 59m
Spirit Airlines
Thu 3/192:46 am
STI
-
EWR
1 stop12h 18m
Spirit Airlines
Deal found 3/1$347
This CheapOair deal was found by Cheapflights users on 2/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/184:05 pm
EWR
-
STI
1 stop21h 57m
Spirit Airlines
Sat 4/253:07 pm
STI
-
EWR
1 stop8h 40m
Spirit Airlines
Deal found 2/27$348
This Cheapflightsfares deal was found by Cheapflights users on 2/27. 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.
Mon 3/237:59 pm
EWR
-
STI
1 stop5h 50m
Spirit Airlines
Thu 4/303:07 pm
STI
-
EWR
1 stop8h 40m
Spirit Airlines
Deal found 2/27$349
This Kiwi.com deal was found by Cheapflights users on 2/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/167:59 pm
EWR
-
STI
1 stop5h 50m
Spirit Airlines
Mon 3/233:43 pm
STI
-
EWR
1 stop17h 26m
Spirit Airlines
Deal found 2/28$350
This Cheapflightsfares deal was found by Cheapflights users on 3/2. 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 5/36:00 am
EWR
-
STI
1 stop8h 02m
Spirit Airlines
Mon 5/113:07 pm
STI
-
EWR
1 stop8h 40m
Spirit Airlines
Deal found 3/2$351
This Cheapflightsfares deal was found by Cheapflights users on 2/27. 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.
Fri 5/86:00 am
EWR
-
STI
1 stop8h 02m
Spirit Airlines
Fri 5/293:07 pm
STI
-
EWR
1 stop8h 40m
Spirit Airlines
Deal found 2/27$352

Find flight deals from Newark to Santiago de los Caballeros

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) 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 March 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$341
(Kiwi.com)

One-way from

$155
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$478

Good round-trip deal

$450 or less

Good one-way deal

$176 or less
Provider with most accurate pricing for Newark-Santiago de los Caballeros flight deals.
Search Deals
Provider most trusted by Cheapflights users for Newark-Santiago de los Caballeros flights.
Search Deals
From Newark to Santiago de los Caballeros
Search Deals
One-way flight from Newark to Santiago de los Caballeros
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Newark to Santiago de los Caballeros.
Search Deals
Price to beat on a one-way flight from Newark to Santiago de los Caballeros.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Newark 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 March 4, 2026.
Use the filters below to find and compare flights from Newark Airport to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

NewarkSantiago de los Caballeros

EWR - STI

EWRSTI

Newark

Wed 5/6

6:30 pm-8:03 am

1 stop13h 33m

Santiago de los Caballeros

Wed 6/3

6:00 am-9:55 am

Nonstop3h 55m

$397

NewarkSantiago de los Caballeros

EWR - STI

EWRSTI

Newark

Sat 4/18

7:35 pm-11:32 pm

Nonstop3h 57m

Santiago de los Caballeros

Fri 4/24

2:36 am-6:30 am

Nonstop3h 54m

$415

NewarkSantiago de los Caballeros

EWR - STI

EWRSTI

Newark

Mon 5/4

7:35 pm-11:32 pm

Nonstop3h 57m

Santiago de los Caballeros

Mon 5/11

5:01 am-8:56 am

Nonstop3h 55m

$415

NewarkSantiago de los Caballeros

EWR - STI

EWRSTI

Newark

Thu 4/16

7:35 pm-11:32 pm

Nonstop3h 57m

Santiago de los Caballeros

Tue 4/21

2:36 am-6:30 am

Nonstop3h 54m

$415

NewarkSantiago de los Caballeros

EWR - STI

EWRSTI

Newark

Wed 5/6

6:30 pm-8:03 am

1 stop13h 33m

Santiago de los Caballeros

Thu 6/4

7:20 am-5:35 pm

1 stop10h 15m

$419

NewarkSantiago de los Caballeros

EWR - STI

EWRSTI

Newark

Fri 4/24

6:30 pm-8:02 am

1 stop13h 32m

Santiago de los Caballeros

Sun 5/10

5:01 am-8:56 am

Nonstop3h 55m

$434

NewarkSantiago de los Caballeros

EWR - STI

EWRSTI

Newark

Thu 4/2

5:50 am-2:23 pm

2 stops8h 33m

Santiago de los Caballeros

Thu 4/16

3:07 pm-11:47 pm

1 stop8h 40m

$435

NewarkSantiago de los Caballeros

EWR - STI

EWRSTI

Newark

Mon 5/25

1:00 pm-1:54 am

1 stop12h 54m

Santiago de los Caballeros

Sun 5/31

6:00 am-9:55 am

Nonstop3h 55m

$451

NewarkSantiago de los Caballeros

EWR - STI

EWRSTI

Newark

Wed 4/15

7:35 pm-11:32 pm

Nonstop3h 57m

Santiago de los Caballeros

Tue 4/21

2:36 am-6:30 am

Nonstop3h 54m

$452

NewarkSantiago de los Caballeros

EWR - STI

EWRSTI

Newark

Sat 5/16

7:01 pm-10:52 pm

Nonstop3h 51m

Santiago de los Caballeros

Sun 5/24

6:00 am-10:00 am

Nonstop4h 00m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/27

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Newark 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 Newark to Santiago de los Caballeros in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 Newark Airport-Santiago de los Caballeros flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Newark Airport-Santiago de los Caballeros flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Newark Airport-Santiago de los Caballeros flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Newark Airport-Santiago de los Caballeros flights, Cheapflights users trust FlightHub the most. FlightHub 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 Newark Airport-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 Newark to Santiago de los Caballeros

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

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

Use this chart to determine the optimal time to book a round-trip flight from Newark to Santiago de los Caballeros. Price data was last updated on February 27, 2026.

The price you pay for your flight from Newark Airport to Santiago de los Caballeros may vary depending on when you book. For the best chance of a lower fare, look to book 26 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 Newark Airport to Santiago de los Caballeros?

Currently, February is the cheapest month in which you can book a flight from Newark Airport to Santiago de los Caballeros (average of $191). Flying from Newark Airport to Santiago de los Caballeros in May is currently the most expensive (average of $256). 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 EWR to STI?

Find hourly flight availability from Newark 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 March 4, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Newark Airport to Santiago de los Caballeros as you normally would.

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 March 4, 2026.
See what other customers who have flown with United Airlines, American Airlines, and JetBlue from Newark Airport to Santiago de los Caballeros have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,383 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,383 reviews
United Airlines
7.4
Good
9,383 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,380 reviews
United Airlines
7.4
Good
9,383 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
JetBlue
7.2
Good
2,896 reviews
United Airlines
7.4
Good
9,383 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Spirit Airlines
6.3
Okay
8,490 reviews
United Airlines
7.4
Good
9,383 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Frontier
5.7
Fair
3,041 reviews
United Airlines
7.4
Good
9,383 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Newark 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 airport do you fly into for flights to Santiago de los Caballeros from Newark?

    Most people fly into Santiago de los Caballeros (STI) if they book a flight to Santiago de los Caballeros from Newark. On average, Santiago has 3 inbound flights from Newark per day from 6 airlines. Santiago de los Caballeros is conveniently located just 6.8 mi from Santiago de los Caballeros’s city center.

  • How long is the flight from Newark Airport to Santiago de los Caballeros?

    Departing from Newark Airport to Santiago de los Caballeros will take you 13h 33m. The distance between Newark Airport and Santiago de los Caballeros is about 1485 mi.

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

    According to our current data, Delta ($169), Spirit Airlines ($171), and Frontier ($194) offers the cheapest pricing from Newark Airport to Santiago de los Caballeros. Delta is 67% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Newark Airport to Santiago de los Caballeros are Spirit Airlines ($114), JetBlue ($154), and Delta ($156).

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

    On average you can expect to pay $622 for a flight from Newark Airport to Santiago de los Caballeros. The cheapest flight overall is $165 while the most popular route, (Newark - Santiago de los Caballeros) is currently priced at $309.

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

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

  • How can I find direct flights from Newark 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 Newark to Santiago de los Caballeros.

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

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

    Currently, February is the cheapest month in which you can book a flight from Newark Airport to Santiago de los Caballeros (average of $191). Flying from Newark Airport to Santiago de los Caballeros in May is currently the most expensive (average of $256). 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 Newark to Santiago de los Caballeros

Discover the top 6 airlines that operate flights from Newark 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 March 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$169Average$510FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$171Average$425FlexibilityNo cancel feeOn-time65%
FrontierCheapest$194Average$374FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$227Average$530FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$317Average$536FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$349Average$496FlexibilityNo cancel feeOn-time71%

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.
Site
©2026 Cheapflights