$161 Cheap Flights from Raleigh (RDU) to Santiago (STI)

View $161 flight on Tue, Oct 28, 2025Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to Cibao Intl. Airport (STI)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Raleigh to Santiago (RDU-STI)

Prices were available within the past 7 days and start at $161 for one-way flights and $342 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Nov 3 - Thu, Nov 6
RDU
Raleigh
STI
Santiago de los Caballeros
$342 Roundtrip, found 1 day ago
$342
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Nov 3 from Raleigh to Santiago de los Caballeros, returning Thu, Nov 6, priced at $342 found 1 day ago
United
Wed, Nov 19 - Fri, Nov 21
RDU
Raleigh
STI
Santiago de los Caballeros
$343 Roundtrip, found 4 days ago
$343
Roundtrip
found 4 days ago
Select United flight, departing Wed, Nov 19 from Raleigh to Santiago de los Caballeros, returning Fri, Nov 21, priced at $343 found 4 days ago
JetBlue Airways
Sat, Jan 24 - Mon, Jan 26
RDU
Raleigh
STI
Santiago de los Caballeros
$345 Roundtrip, found 8 hours ago
$345
Roundtrip
found 8 hours ago
Select JetBlue Airways flight, departing Sat, Jan 24 from Raleigh to Santiago de los Caballeros, returning Mon, Jan 26, priced at $345 found 8 hours ago
Delta
Tue, Oct 28 - Fri, Oct 31
RDU
Raleigh
STI
Santiago de los Caballeros
$345 Roundtrip, found 7 hours ago
$345
Roundtrip
found 7 hours ago
Select Delta flight, departing Tue, Oct 28 from Raleigh to Santiago de los Caballeros, returning Fri, Oct 31, priced at $345 found 7 hours ago
Delta
Thu, Oct 30 - Mon, Nov 3
RDU
Raleigh
STI
Santiago de los Caballeros
$346 Roundtrip, found 1 hour ago
$346
Roundtrip
found 1 hour ago
Select Delta flight, departing Thu, Oct 30 from Raleigh to Santiago de los Caballeros, returning Mon, Nov 3, priced at $346 found 1 hour ago
American Airlines
Mon, Nov 3 - Thu, Nov 6
RDU
Raleigh
STI
Santiago de los Caballeros
$348 Roundtrip, found 1 day ago
$348
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Nov 3 from Raleigh to Santiago de los Caballeros, returning Thu, Nov 6, priced at $348 found 1 day ago
American Airlines
Mon, Nov 17 - Tue, Dec 2
RDU
Raleigh
STI
Santiago de los Caballeros
$348 Roundtrip, found 1 hour ago
$348
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Nov 17 from Raleigh to Santiago de los Caballeros, returning Tue, Dec 2, priced at $348 found 1 hour ago
United
Tue, Nov 11 - Sat, Nov 15
RDU
Raleigh
STI
Santiago de los Caballeros
$348 Roundtrip, just found
$348
Roundtrip
just found
Select United flight, departing Tue, Nov 11 from Raleigh to Santiago de los Caballeros, returning Sat, Nov 15, priced at $348 just found
Delta
Mon, Oct 27 - Fri, Oct 31
RDU
Raleigh
STI
Santiago de los Caballeros
$350 Roundtrip, found 7 hours ago
$350
Roundtrip
found 7 hours ago
Select Delta flight, departing Mon, Oct 27 from Raleigh to Santiago de los Caballeros, returning Fri, Oct 31, priced at $350 found 7 hours ago
Frontier Airlines
Tue, Jan 6 - Mon, Jan 12
RDU
Raleigh
STI
Santiago de los Caballeros
$490 Roundtrip, found 5 days ago
$490
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Tue, Jan 6 from Raleigh to Santiago de los Caballeros, returning Mon, Jan 12, priced at $490 found 5 days ago

Find the cheapest month to fly from Raleigh (RDU) to Santiago de los Caballeros (STI)

August is typically the cheapest month to fly

From $310 - $538 per traveler.

Alternative airports near Santiago de los Caballeros

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gregorio Luperon Intl. POP. Average driving time to city center is 59 minutes. Flights from $438
POP
Gregorio Luperon Intl.
Average driving time to city center59 min
Flights from $438

Frequently asked questions

How much does a flight from Raleigh - Durham Intl. Airport (RDU) to Cibao Intl. Airport (STI) cost?
Grab a cheap one-way flight from $161 or cheap return flight from $342 from Raleigh - Durham Intl. Airport (RDU) to Cibao Intl. Airport (STI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Raleigh - Durham Intl. Airport (RDU) to Cibao Intl. Airport (STI)?
Planning your getaway for November is a good way to save, as it's the cheapest month for flights between RDU and STI. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Raleigh - Durham Intl. Airport (RDU) to Cibao Intl. Airport (STI)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from RDU to STI. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to Cibao Intl. Airport (STI)?
There are no daily nonstop flights departing from Raleigh - Durham Intl. Airport (RDU) to Cibao Intl. Airport (STI). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from RDU to STI?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Raleigh - Durham Intl. Airport (RDU) to Cibao Intl. Airport (STI)?
To avoid potential delays on the Raleigh - Durham Intl. Airport (RDU) to Cibao Intl. Airport (STI) route, fly before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Raleigh - Durham Intl. Airport (RDU) to Cibao Intl. Airport (STI) last-minute?
Holding off until just before your trip to book a ticket from RDU to STI often results in higher prices. While it's possible to find some last-minute offers, there's no guarantee. Be flexible with your itinerary to maximize your chances of scoring a bargain.
Is it cheaper to book a RDU to STI flight and hotel package?
Compared with arranging flights and hotels separately, booking a RDU to STI flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place will take the hassle out of travel planning. Simply secure your flights and choose from our extensive range of stays, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to Cibao Intl. Airport (STI)?
If you booked your RDU to STI flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
Cibao Intl.
Airlines serving
American Airlines, Copa, Delta, Frontier Airlines, JetBlue Airways, United
Roundtrip price
$342
Distance
1242 mi

Book with confidence

Book with confidence

Raleigh to Santiago Flights

The cheapest times to fly from Raleigh to Santiago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Raleigh to Santiago are during the month of November. You can find some of the cheapest flights from Raleigh to Santiago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Raleigh to Santiago

Sunday is one of the best days to book for cheap flights from Raleigh to Santiago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Raleigh to Santiago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Raleigh to Santiago in 2025. You can also book with separate airlines for your outbound and return journeys, from $161 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Raleigh to Santiago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Raleigh to Santiago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Raleigh to Santiago Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.