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

$104+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — STI
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
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.

Cheap 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 February 18, 2026.

This Mytrip deal was found by Cheapflights users on 2/17. 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.
Thu 3/125:25 am
ATL
-
STI
1 stop9h 10m
Spirit Airlines
Fri 3/202:46 am
STI
-
ATL
1 stop13h 37m
Spirit Airlines
Deal found 2/17$260
This Cheapflightsfares deal was found by Cheapflights users on 2/14. 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.
Wed 5/209:13 am
ATL
-
STI
1 stop5h 22m
Spirit Airlines
Wed 6/33:40 pm
STI
-
ATL
1 stop7h 14m
Spirit Airlines
Deal found 2/14$267
This Expedia deal was found by Cheapflights users on 2/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:56 pm
ATL
-
STI
1 stop7h 53m
Spirit Airlines
Thu 4/233:27 pm
STI
-
ATL
1 stop7h 32m
Spirit Airlines
Deal found 2/17$271
This Cheapflightsfares deal was found by Cheapflights users on 2/17. 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 3/198:10 pm
ATL
-
STI
1 stop5h 39m
Spirit Airlines
Wed 3/252:46 am
STI
-
ATL
1 stop7h 36m
Spirit Airlines
Deal found 2/17$279
This Cheapflightsfares deal was found by Cheapflights users on 2/17. 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.
Tue 4/219:02 am
ATL
-
STI
1 stop5h 20m
Spirit Airlines
Tue 4/283:27 pm
STI
-
ATL
1 stop7h 32m
Spirit Airlines
Deal found 2/17$282
This Cheapflightsfares deal was found by Cheapflights users on 2/16. 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 3/125:56 pm
ATL
-
STI
1 stop7h 53m
Spirit Airlines
Sun 3/222:46 am
STI
-
ATL
1 stop7h 36m
Spirit Airlines
Deal found 2/16$284
This CheapOair deal was found by Cheapflights users on 2/17. 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.
Thu 3/125:56 pm
ATL
-
STI
1 stop7h 53m
Spirit Airlines
Thu 3/192:46 am
STI
-
ATL
1 stop13h 37m
Spirit Airlines
Deal found 2/17$285
This Cheapflightsfares deal was found by Cheapflights users on 2/17. 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.
Sat 3/148:10 pm
ATL
-
STI
1 stop5h 39m
Spirit Airlines
Fri 3/202:46 am
STI
-
ATL
1 stop16h 19m
Spirit Airlines
Deal found 2/17$290
This CheapOair deal was found by Cheapflights users on 2/17. 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.
Wed 4/18:10 pm
ATL
-
STI
1 stop5h 39m
Spirit Airlines
Mon 4/133:28 pm
STI
-
ATL
1 stop18h 54m
Spirit Airlines
Deal found 2/17$292
This Cheapflightsfares deal was found by Cheapflights users on 2/16. 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 3/278:10 pm
ATL
-
STI
1 stop5h 39m
Spirit Airlines
Thu 4/93:28 pm
STI
-
ATL
1 stop8h 31m
Spirit Airlines
Deal found 2/16$293
This CheapOair deal was found by Cheapflights users on 2/16. 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 3/288:10 pm
ATL
-
STI
1 stop5h 39m
Spirit Airlines
Tue 3/312:46 am
STI
-
ATL
1 stop13h 37m
Spirit Airlines
Deal found 2/16$294
This CheapOair deal was found by Cheapflights users on 2/17. 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.
Fri 3/278:10 pm
ATL
-
STI
1 stop5h 39m
Spirit Airlines
Fri 4/173:27 pm
STI
-
ATL
1 stop7h 32m
Spirit Airlines
Deal found 2/17$298

Find 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 February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$267
(Cheapflightsfares)

One-way from

$104
(Super.com)

Popular in

December

Cheapest in

January

Average price

$376
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Santiago de los Caballeros flight deals.
Search Deals
Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Santiago de los Caballeros flights.
Search Deals
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
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 18, 2026.
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

Thu 3/12

5:25 am-2:35 pm

1 stop9h 10m

Santiago de los Caballeros

Fri 3/20

2:46 am-4:23 pm

1 stop13h 37m

$260

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Wed 4/8

5:56 pm-1:49 am

1 stop7h 53m

Santiago de los Caballeros

Thu 4/23

3:27 pm-10:59 pm

1 stop7h 32m

$271

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Thu 3/12

5:56 pm-1:49 am

1 stop7h 53m

Santiago de los Caballeros

Sun 3/22

2:46 am-10:22 am

1 stop7h 36m

$284

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Thu 3/12

8:10 pm-1:49 am

1 stop5h 39m

Santiago de los Caballeros

Fri 3/20

3:43 pm-11:59 pm

1 stop8h 16m

$285

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Wed 4/1

8:10 pm-1:49 am

1 stop5h 39m

Santiago de los Caballeros

Mon 4/13

3:28 pm-10:22 am

1 stop18h 54m

$292

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Fri 3/27

8:10 pm-1:49 am

1 stop5h 39m

Santiago de los Caballeros

Thu 4/9

3:28 pm-11:59 pm

1 stop8h 31m

$293

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Mon 4/27

9:02 am-2:22 pm

1 stop5h 20m

Santiago de los Caballeros

Sat 5/9

3:27 pm-10:59 pm

1 stop7h 32m

$293

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Sat 3/28

5:56 pm-1:49 am

1 stop7h 53m

Santiago de los Caballeros

Sat 4/18

3:27 pm-10:59 pm

1 stop7h 32m

$298

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Sat 2/28

5:25 am-3:35 pm

1 stop9h 10m

$104

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Tue 3/3

5:25 am-3:35 pm

1 stop9h 10m

$105

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/14

Showing 1-10 of 16 results
1
2

Compare providers for flights from Atlanta 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 Atlanta to Santiago de los Caballeros in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 Atlanta-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 Atlanta-Santiago de los Caballeros flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Atlanta-Santiago de los Caballeros flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Atlanta-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 Atlanta-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 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 February 13, 2026.

Booking 19 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, November is the cheapest month in which you can book a flight from Atlanta to Santiago de los Caballeros (average of $202). Flying from Atlanta to Santiago de los Caballeros in April is currently the most expensive (average of $340). 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.

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 February 18, 2026.
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
7.9
Good
8,207 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

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
7.9
Good
8,207 reviews
Delta
7.9
Good
8,207 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

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
11,304 reviews
Delta
7.9
Good
8,207 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

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
2,900 reviews
Delta
7.9
Good
8,207 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

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
8,470 reviews
Delta
7.9
Good
8,207 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

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
5.7
Fair
3,048 reviews
Delta
7.9
Good
8,207 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

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 9h 10m. 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 ($105), Spirit Airlines ($237), and JetBlue ($360) offers the cheapest pricing from Atlanta to Santiago de los Caballeros. Frontier is 80% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Atlanta to Santiago de los Caballeros are Spirit Airlines ($136), JetBlue ($202), and American Airlines ($286).

  • 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, November is the cheapest month in which you can book a flight from Atlanta to Santiago de los Caballeros (average of $202). Flying from Atlanta to Santiago de los Caballeros in April is currently the most expensive (average of $340). 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 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 February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$105Average$448FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$237Average$404FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$360Average$521FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$572Average$766FlexibilityNo cancel feeOn-time71%
DeltaCheapest$621Average$796FlexibilityNo 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.
Site
©2026 Cheapflights