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Santiago de los Caballeros

$113+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — STI
Jan 10 — Jan 171
Sat 1/10
Sat 1/17
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Santiago de los Caballeros are usually found in October or November, booked 47 days in advance, depart on a Thursday or Wednesday and return on a Friday

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 December 11, 2025.

This FlightHub deal was found by Cheapflights users on 12/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/152:29 pmATL - STI
1 stop11h 13mSpirit Airlines
Mon 12/223:43 amSTI - ATL
1 stop15h 10mSpirit Airlines
Deal found 12/9$408
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Wed 12/109:57 pmATL - STI
1 stop27h 45mMultiple Airlines
Sat 12/133:43 amSTI - ATL
1 stop29h 05mMultiple Airlines
Deal found 12/9$503
This KAYAK deal was found by Cheapflights users on 12/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:18 amATL - STI
2 stops14h 24mSpirit Airlines
Tue 1/63:43 amSTI - ATL
1 stop15h 10mSpirit Airlines
Deal found 12/10$523
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
Mon 12/224:23 pmATL - STI
1 stop9h 19mMultiple Airlines
Tue 12/303:43 amSTI - ATL
1 stop18h 09mMultiple Airlines
Deal found 12/9$525
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Mon 12/152:29 pmATL - STI
1 stop11h 13mMultiple Airlines
Mon 12/223:43 amSTI - ATL
1 stop18h 57mMultiple Airlines
Deal found 12/10$532
This KAYAK deal was found by Cheapflights users on 12/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/132:29 pmATL - STI
1 stop11h 13mSpirit Airlines
Mon 12/153:43 amSTI - ATL
2 stops19h 16mSpirit Airlines
Deal found 12/9$545

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 December 11, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$265
(Cheapflightsfares)

One-way from

$113
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$731
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
Highest demand for flights based on searches. 7% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 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

Fri 1/16

8:58 am-3:33 pm

1 stop5h 35m

Santiago de los Caballeros

Mon 1/19

4:40 pm-11:08 pm

1 stop7h 28m

$278

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Sun 1/25

5:25 am-3:33 pm

1 stop9h 08m

Santiago de los Caballeros

Sat 1/31

4:40 pm-11:08 pm

1 stop7h 28m

$279

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Thu 1/15

5:25 am-3:33 pm

1 stop9h 08m

Santiago de los Caballeros

Thu 1/22

4:40 pm-11:08 pm

1 stop7h 28m

$281

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Fri 1/16

5:25 am-3:33 pm

1 stop9h 08m

Santiago de los Caballeros

Sat 1/24

4:40 pm-11:08 pm

1 stop7h 28m

$292

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Thu 1/15

8:58 am-3:33 pm

1 stop5h 35m

Santiago de los Caballeros

Mon 1/19

4:40 pm-11:08 pm

1 stop7h 28m

$299

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Wed 1/14

8:58 am-3:33 pm

1 stop5h 35m

Santiago de los Caballeros

Tue 1/20

12:12 pm-10:01 pm

1 stop10h 49m

$307

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Fri 1/16

10:50 pm-3:33 pm

1 stop15h 43m

Santiago de los Caballeros

Sun 1/25

4:40 pm-10:24 am

1 stop18h 44m

$314

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Thu 2/19

5:25 am-3:35 pm

1 stop9h 10m

Santiago de los Caballeros

Tue 2/24

4:40 pm-10:54 pm

1 stop7h 14m

$317

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Fri 1/16

10:50 pm-3:33 pm

1 stop15h 43m

Santiago de los Caballeros

Mon 1/19

4:40 pm-10:24 am

1 stop18h 44m

$327

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Sun 1/25

10:56 pm-3:33 pm

2 stops15h 37m

Santiago de los Caballeros

Sat 1/31

4:40 pm-11:08 pm

1 stop7h 28m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Atlanta-Santiago de los Caballeros flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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 December 5, 2025.

Booking 47 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 $341). 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 December 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 53% 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 December 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
7.9
Good
8,007 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Overall

7.9

Food

7.3

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Overall

7.9

Food

7.3

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
11,048 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Overall

7.9

Food

7.3

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
2,897 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Overall

7.9

Food

7.3

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
8,174 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Overall

7.9

Food

7.3

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
3,084 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Overall

7.9

Food

7.3

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 08m. 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 ($262), Spirit Airlines ($330), and JetBlue ($367) offers the cheapest pricing from Atlanta to Santiago de los Caballeros. Frontier is 54% 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 Frontier ($88), Spirit Airlines ($149), and JetBlue ($202).

  • 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 $341). 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

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Alternative routes for Atlanta to Santiago de los Caballeros

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$289Average$474FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$333Average$448FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$367Average$523FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$620Average$754FlexibilityNo cancel feeOn-time71%
DeltaCheapest$621Average$1,087FlexibilityNo cancel feeOn-timeN/A

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