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Santiago de los Caballeros

$134+ 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
août 25 — sept. 11
lun. 8/25
lun. 9/1
1 adult, Economy
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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 août 20, 2025.

Round-trip from

$306
(Mytrip)

One-way from

$134
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$492
From Atlanta Hartsfield-Jackson to Santiago de los Caballeros
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One-way flight from Atlanta Hartsfield-Jackson to Santiago de los Caballeros
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Highest demand for flights based on searches. 11% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 août 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/20. 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.
sam. 9/209:20 pmATL - STI
1 stop13h 43mSpirit Airlines
mer. 10/112:10 pmSTI - ATL
1 stop11h 49mSpirit Airlines
Deal found 8/20$298
This Mytrip deal was found by Cheapflights users on 8/18. 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.
jeu. 9/119:20 pmATL - STI
1 stop13h 43mSpirit Airlines
mer. 9/1712:10 pmSTI - ATL
1 stop11h 49mSpirit Airlines
Deal found 8/18$306
This FlightHub deal was found by Cheapflights users on 8/19. 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.
sam. 9/135:27 amATL - STI
1 stop5h 36mSpirit Airlines
sam. 9/2012:10 pmSTI - ATL
1 stop11h 49mSpirit Airlines
Deal found 8/19$323
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
sam. 9/208:59 pmATL - STI
1 stop14h 04mMultiple Airlines
mar. 9/3012:10 pmSTI - ATL
1 stop25h 44mMultiple Airlines
Deal found 8/19$328
This Mytrip deal was found by Cheapflights users on 8/18. 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.
jeu. 9/119:20 pmATL - STI
1 stop13h 43mSpirit Airlines
mar. 9/1612:10 pmSTI - ATL
2 stops19h 32mSpirit Airlines
Deal found 8/18$329
This Cheapflightsfares deal was found by Cheapflights users on 8/20. 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.
jeu. 9/259:20 pmATL - STI
1 stop13h 43mSpirit Airlines
dim. 10/512:13 pmSTI - ATL
1 stop7h 56mSpirit Airlines
Deal found 8/20$332
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
jeu. 9/119:20 pmATL - STI
1 stop13h 43mMultiple Airlines
mer. 9/1712:10 pmSTI - ATL
2 stops19h 39mMultiple Airlines
Deal found 8/20$334
This FlightHub deal was found by Cheapflights users on 8/19. 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.
ven. 9/265:27 amATL - STI
1 stop5h 36mSpirit Airlines
jeu. 10/912:13 pmSTI - ATL
1 stop12h 05mSpirit Airlines
Deal found 8/19$342
This Cheapflightsfares deal was found by Cheapflights users on 8/19. 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.
ven. 9/129:20 pmATL - STI
1 stop13h 43mSpirit Airlines
lun. 9/1512:10 pmSTI - ATL
1 stop8h 07mSpirit Airlines
Deal found 8/19$345

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 août 20, 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

sam. 9/20

9:20 pm-11:03 am

1 stop13h 43m

Santiago de los Caballeros

mer. 10/1

12:10 pm-11:59 pm

1 stop11h 49m

$298

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

jeu. 9/11

9:20 pm-11:03 am

1 stop13h 43m

Santiago de los Caballeros

mar. 9/16

12:10 pm-8:17 pm

1 stop8h 07m

$306

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

jeu. 9/11

9:20 pm-11:03 am

1 stop13h 43m

Santiago de los Caballeros

mer. 9/17

12:10 pm-11:59 pm

1 stop11h 49m

$306

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

mer. 9/10

9:20 pm-11:03 am

1 stop13h 43m

Santiago de los Caballeros

mer. 9/17

12:10 pm-11:59 pm

1 stop11h 49m

$323

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

sam. 9/13

5:27 am-11:03 am

1 stop5h 36m

Santiago de los Caballeros

sam. 9/20

12:10 pm-11:59 pm

1 stop11h 49m

$323

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

mer. 9/24

9:20 pm-11:03 am

1 stop13h 43m

Santiago de los Caballeros

mer. 10/1

12:10 pm-11:59 pm

1 stop11h 49m

$323

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

sam. 9/20

8:59 pm-11:03 am

1 stop14h 04m

Santiago de los Caballeros

mar. 9/30

12:10 pm-1:54 pm

1 stop25h 44m

$328

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

mer. 10/1

9:20 pm-11:03 am

1 stop13h 43m

$134

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

mer. 10/15

5:22 am-11:08 am

1 stop5h 46m

$138

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

jeu. 9/11

9:20 pm-11:03 am

1 stop13h 43m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 18 results
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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 8, 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 août 20, 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 août 20, 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
7,982 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

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
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

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
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

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
2,916 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

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
8,039 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

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
3,207 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

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 13h 43m. 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 ($392) 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

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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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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 août 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$266Average$474FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$333Average$474FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$392Average$525FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$620Average$795FlexibilityNo cancel feeOn-time71%
DeltaCheapest$661Average$1,085FlexibilityNo cancel feeOn-timeN/A

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