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

$150+ Cheap flights from Raleigh (RDU) 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — STI
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Raleigh 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 Raleigh-Durham to Santiago de los Caballeros are usually found in March or September, booked 29 days in advance, depart on a Tuesday or Monday and return on a Friday

Cheap flight deals from Raleigh to Santiago de los Caballeros

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) 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 September 11, 2025.

Round-trip from

$324
(United Airlines)

One-way from

$150
(United Airlines)

Popular in

December

Cheapest in

March

Average price

$497
From Raleigh-Durham to Santiago de los Caballeros
Search Deals
One-way flight from Raleigh-Durham to Santiago de los Caballeros
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Raleigh to Santiago de los Caballeros

Cheapest flights from Raleigh to Santiago de los Caballeros
Explore the most affordable flight options available from Raleigh to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/257:10 pmRDU - STI
1 stop6h 36mUnited Airlines
Sat 11/15:00 amSTI - RDU
1 stop7h 23mUnited Airlines
Deal found 9/10$324
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:10 amRDU - STI
1 stop12h 01mDelta
Tue 9/308:40 pmSTI - RDU
1 stop13h 18mDelta
Deal found 9/11$325
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/210:00 amRDU - STI
1 stop14h 24mDelta
Sat 11/87:00 amSTI - RDU
1 stop12h 34mDelta
Deal found 9/10$327
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:15 amRDU - STI
2 stops12h 51mDelta
Sat 11/16:00 amSTI - RDU
1 stop8h 10mDelta
Deal found 9/10$331
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:00 amRDU - STI
2 stops14h 51mAmerican Airlines
Sat 11/87:00 amSTI - RDU
1 stop16h 04mAmerican Airlines
Deal found 9/10$332
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/57:10 amRDU - STI
1 stop12h 01mDelta
Fri 10/248:31 pmSTI - RDU
1 stop14h 17mDelta
Deal found 9/11$345
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/58:16 pmRDU - STI
2 stops15h 57mAmerican Airlines
Fri 10/241:14 pmSTI - RDU
1 stop10h 42mAmerican Airlines
Deal found 9/10$346
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Thu 10/99:09 amRDU - STI
1 stop25h 29mSpirit Airlines
Thu 10/1611:43 amSTI - RDU
1 stop26h 37mSpirit Airlines
Deal found 9/11$350
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:15 pmRDU - STI
2 stops17h 58mAmerican Airlines
Sat 11/11:14 pmSTI - RDU
2 stops21h 37mAmerican Airlines
Deal found 9/10$351

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh 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 September 11, 2025.
Use the filters below to find and compare flights from Raleigh to Santiago de los Caballeros that are best for you.

Fly from

Raleigh

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

RaleighSantiago de los Caballeros

RDU - STI

RDUSTI

Raleigh-Durham

Sun 10/19

7:16 am-7:06 pm

1 stop11h 50m

Santiago de los Caballeros

Sat 10/25

8:31 pm-10:38 am

1 stop14h 07m

$325

RaleighSantiago de los Caballeros

RDU - STI

RDUSTI

Raleigh-Durham

Sat 10/25

6:15 am-7:06 pm

2 stops12h 51m

Santiago de los Caballeros

Sat 11/1

6:00 am-2:10 pm

1 stop8h 10m

$331

RaleighSantiago de los Caballeros

RDU - STI

RDUSTI

Raleigh-Durham

Sun 11/2

5:00 am-8:51 pm

2 stops14h 51m

Santiago de los Caballeros

Sat 11/8

4:34 pm-8:04 am

2 stops16h 30m

$332

RaleighSantiago de los Caballeros

RDU - STI

RDUSTI

Raleigh-Durham

Sun 10/5

7:10 am-7:11 pm

1 stop12h 01m

Santiago de los Caballeros

Fri 10/24

8:31 pm-10:48 am

1 stop14h 17m

$345

RaleighSantiago de los Caballeros

RDU - STI

RDUSTI

Raleigh-Durham

Sun 10/5

8:16 pm-12:13 pm

2 stops15h 57m

Santiago de los Caballeros

Fri 10/24

1:14 pm-11:56 pm

1 stop10h 42m

$346

RaleighSantiago de los Caballeros

RDU - STI

RDUSTI

Raleigh-Durham

Sat 1/17

10:00 am-11:54 pm

1 stop12h 54m

Santiago de los Caballeros

Tue 1/27

6:35 am-6:03 pm

1 stop12h 28m

$347

RaleighSantiago de los Caballeros

RDU - STI

RDUSTI

Raleigh-Durham

Thu 10/9

9:09 am-10:38 am

1 stop25h 29m

Santiago de los Caballeros

Thu 10/16

11:43 am-2:20 pm

1 stop26h 37m

$350

RaleighSantiago de los Caballeros

RDU - STI

RDUSTI

Raleigh-Durham

Sun 10/5

9:09 am-10:38 am

1 stop25h 29m

Santiago de los Caballeros

Thu 10/23

11:43 am-2:20 pm

1 stop26h 37m

$353

RaleighSantiago de los Caballeros

RDU - STI

RDUSTI

Raleigh-Durham

Thu 10/9

5:52 pm-1:46 am

1 stop7h 54m

$150

RaleighSantiago de los Caballeros

RDU - STI

RDUSTI

Raleigh-Durham

Thu 9/25

4:32 pm-12:27 pm

2 stops19h 55m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 16 results
1
2

Best time to book a flight from Raleigh to Santiago de los Caballeros

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

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

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Santiago de los Caballeros. Price data was last updated on August 29, 2025.

Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from Raleigh to Santiago de los Caballeros. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, May is the cheapest month in which you can book a flight from Raleigh to Santiago de los Caballeros (average of $347). Flying from Raleigh to Santiago de los Caballeros in July is currently the most expensive (average of $600). 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 RDU to STI?

Find hourly flight availability from Raleigh 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 September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Raleigh to Santiago de los Caballeros in the evening. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the morning.

How much does it cost to fly round-trip from Raleigh to Santiago de los Caballeros?

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 September 11, 2025.
Read through reviews of airlines operating flights from Raleigh to Santiago de los Caballeros, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
7.2
Good
2,913 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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

Find useful and relevant information for your journey from Raleigh 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.

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

    There are many flights that can get you from Raleigh to Santiago de los Caballeros in 11h 50m. Fly via Delta or American Airlines to get the fastest option. Raleigh and Santiago de los Caballeros are separated by a distance of 1241 mi. This flight may include one or multiple stops.

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

    According to our current data, Delta ($180), United Airlines ($376), and JetBlue ($403) offers the cheapest pricing from Raleigh to Santiago de los Caballeros. You may be able to fly from Raleigh to Santiago de los Caballeros for 69% less than the average price by searching for these airlines.

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

    $150 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $156 and $162, respectively.

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Raleigh to Santiago de los Caballeros (average of $347). Flying from Raleigh to Santiago de los Caballeros in July is currently the most expensive (average of $600). 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.

Alternative routes for Raleigh to Santiago de los Caballeros

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to Punta Cana flights
Raleigh to Punta Cana flights
Norfolk to Punta Cana flights
Raleigh to Santo Domingo flights
Charlotte to Santo Domingo flights
Greensboro to Punta Cana flights
Charlotte to Puerto Plata flights
Wilmington to Punta Cana flights
Knoxville to Punta Cana flights
Raleigh to Puerto Plata flights
Myrtle Beach to Punta Cana flights
Norfolk to Puerto Plata flights
Charlotte to Santiago de los Caballeros flights
Greensboro to Santiago de los Caballeros flights
Norfolk to Santiago de los Caballeros flights
Greensboro to Santo Domingo flights
Wilmington to Santo Domingo flights
Norfolk to Santo Domingo flights
Asheville to Punta Cana flights
Fayetteville to Punta Cana flights
Asheville to Santo Domingo flights
Myrtle Beach to Santo Domingo flights
Knoxville to Puerto Plata flights
Myrtle Beach to Puerto Plata flights
Blountville to Punta Cana flights
Fayetteville to Santiago de los Caballeros flights
Fayetteville to Puerto Plata flights
Jacksonville to Santiago de los Caballeros flights
Wilmington to Puerto Plata flights
Charlotte to Nagua flights
Greensboro to Puerto Plata flights

Top 4 airlines flying from Raleigh to Santiago de los Caballeros

Discover the top 4 airlines that operate flights from Raleigh 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$180Average$452FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$376Average$634FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$403Average$564FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$448Average$652FlexibilityNo 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.