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

$128+ Cheap flights from Atlanta (ATL) 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — 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 Atlanta 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 Atlanta Hartsfield-Jackson to Santiago de los Caballeros are usually found in September or October, booked 44 days in advance, depart on a Thursday or Wednesday and return on a Friday

Cheap flight deals from Atlanta to Santiago de los Caballeros

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) 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

$308
(Mytrip)

One-way from

$128
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$426
From Atlanta Hartsfield-Jackson to Santiago de los Caballeros
Search Deals
One-way flight from Atlanta Hartsfield-Jackson to Santiago de los Caballeros
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Atlanta to Santiago de los Caballeros

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

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:45 amATL - STI
2 stops27h 18mSpirit Airlines
Mon 10/611:43 amSTI - ATL
1 stop12h 35mSpirit Airlines
Deal found 9/10$308
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/118:52 pmATL - STI
1 stop13h 46mMultiple Airlines
Mon 10/2011:43 amSTI - ATL
1 stop25h 34mMultiple Airlines
Deal found 9/10$316
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 10/249:17 pmATL - STI
1 stop13h 21mSpirit Airlines
Fri 10/3111:43 amSTI - ATL
1 stop12h 39mSpirit Airlines
Deal found 9/9$319
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/83:33 pmATL - STI
1 stop19h 05mMultiple Airlines
Fri 10/1011:43 amSTI - ATL
1 stop23h 06mMultiple Airlines
Deal found 9/10$325
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:42 amATL - STI
2 stops26h 56mSpirit Airlines
Mon 10/2011:43 amSTI - ATL
1 stop12h 35mSpirit Airlines
Deal found 9/10$333
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/259:20 pmATL - STI
1 stop13h 43mSpirit Airlines
Sun 10/511:43 amSTI - ATL
1 stop12h 39mSpirit Airlines
Deal found 9/10$337
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/59:56 pmATL - STI
1 stop12h 42mMultiple Airlines
Thu 10/911:43 amSTI - ATL
1 stop8h 26mMultiple Airlines
Deal found 9/10$345
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:31 pmATL - STI
1 stop17h 07mSpirit Airlines
Sat 10/1111:43 amSTI - ATL
1 stop8h 26mSpirit Airlines
Deal found 9/10$351
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 12/45:47 amATL - STI
1 stop10h 19mMultiple Airlines
Mon 12/86:18 pmSTI - ATL
1 stop6h 53mMultiple Airlines
Deal found 9/9$358
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/59:56 pmATL - STI
1 stop12h 42mMultiple Airlines
Fri 10/1011:43 amSTI - ATL
1 stop23h 06mMultiple Airlines
Deal found 9/10$362

Cheapflights Fare Finder

 
Customize your flight search to find flights from Atlanta 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 Atlanta to Santiago de los Caballeros that are best for you.

Fly from

Atlanta

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Tue 9/30

7:45 am-11:03 am

2 stops27h 18m

Santiago de los Caballeros

Mon 10/6

11:43 am-12:18 am

1 stop12h 35m

$308

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Fri 10/24

9:17 pm-10:38 am

1 stop13h 21m

Santiago de los Caballeros

Fri 10/31

11:43 am-12:22 am

1 stop12h 39m

$319

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Mon 11/10

6:11 pm-5:06 pm

1 stop21h 55m

Santiago de los Caballeros

Thu 11/20

6:18 pm-12:07 am

1 stop6h 49m

$333

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Thu 12/4

5:47 am-5:06 pm

1 stop10h 19m

Santiago de los Caballeros

Mon 12/8

6:18 pm-12:11 am

1 stop6h 53m

$358

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Thu 9/25

9:20 pm-11:03 am

1 stop13h 43m

Santiago de los Caballeros

Sun 10/5

11:43 am-12:22 am

1 stop12h 39m

$370

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Mon 10/20

5:22 am-10:38 am

1 stop5h 16m

Santiago de los Caballeros

Sat 10/25

11:43 am-12:39 am

1 stop12h 56m

$373

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Sun 3/1

6:00 am-8:39 pm

1 stop13h 39m

Santiago de los Caballeros

Mon 3/2

10:07 am-4:38 pm

1 stop7h 31m

$389

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Mon 10/6

5:22 am-10:38 am

1 stop5h 16m

Santiago de los Caballeros

Sat 10/11

11:43 am-8:50 am

2 stops21h 07m

$398

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Thu 9/25

5:27 am-11:03 am

1 stop5h 36m

Santiago de los Caballeros

Sun 9/28

12:10 pm-11:59 pm

1 stop11h 49m

$413

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Wed 10/22

7:45 am-6:04 pm

1 stop10h 19m

Santiago de los Caballeros

Mon 10/27

3:43 am-2:04 pm

1 stop10h 21m

$423

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 21 results
1
2
3

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

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

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

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

Booking 44 days in advance of your planned departure date is, on average, the best time to get cheap flights from Atlanta 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 Atlanta to Santiago de los Caballeros?

Currently, May is the cheapest month in which you can book a flight from Atlanta to Santiago de los Caballeros (average of $347). Flying from Atlanta 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 ATL to STI?

Find hourly flight availability from Atlanta 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.

It’s typically best to fly out from Atlanta to Santiago de los Caballeros in the evening. Doing so could potentially save you 54% on the flight price compared to flying in the morning, which is usually more expensive.

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.
See what other customers who have flown with Delta, American Airlines, and JetBlue from Atlanta 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.
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
JetBlue
7.2
Good
2,913 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Spirit Airlines
6.3
Okay
8,023 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Frontier
5.8
Fair
3,177 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Atlanta 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 Atlanta to Santiago de los Caballeros?

    Departing from Atlanta to Santiago de los Caballeros will take you 27h 18m. The distance between Atlanta and Santiago de los Caballeros is about 1299 mi.

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

    According to our current data, Frontier ($266), Spirit Airlines ($333), and JetBlue ($402) offers the cheapest pricing from Atlanta to Santiago de los Caballeros. Frontier is 56% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

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

See prices for flight routes from nearby airports that may be better suited for you.
Atlanta to Punta Cana flights
Atlanta to Santo Domingo flights
Atlanta to Puerto Plata flights
Jacksonville to Santo Domingo flights
Jacksonville to Punta Cana flights
Jacksonville to Puerto Plata flights
Savannah to Punta Cana flights
Augusta to Punta Cana flights
Jacksonville to Santiago de los Caballeros flights
Savannah to Puerto Plata flights
Asheville to Punta Cana flights
Savannah to Santo Domingo flights
Asheville to Santo Domingo flights
Chattanooga to Punta Cana flights
Tallahassee to Punta Cana flights
Chattanooga to Santiago de los Caballeros flights
Chattanooga to Puerto Plata flights
Augusta to Santiago de los Caballeros flights
Atlanta to Nagua flights
Augusta to Puerto Plata flights

Top 5 airlines flying from Atlanta to Santiago de los Caballeros

Discover the top 5 airlines that operate flights from Atlanta 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
FrontierCheapest$266Average$474FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$333Average$468FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$402Average$538FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$620Average$782FlexibilityNo cancel feeOn-time71%
DeltaCheapest$661Average$1,080FlexibilityNo cancel feeOn-timeN/A

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.