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Santiago de los Caballeros

$156+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — STI
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$333
(Priceline)

One-way from

$156
(Cheapflightsfares)

Popular in

November

Cheapest in

September

Average price

$708
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. 8% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Priceline deal was found by Cheapflights users on 7/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2710:22 amATL - STI
1 stop26h 28mFrontier
Thu 10/92:15 pmSTI - ATL
1 stop29h 18mFrontier
Deal found 7/2$333
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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.
Mon 7/285:20 amATL - STI
1 stop4h 30mSpirit Airlines
Sun 8/310:55 amSTI - ATL
1 stop6h 02mSpirit Airlines
Deal found 7/2$340
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 9/2710:21 pmATL - STI
2 stops14h 29mMultiple Airlines
Sat 10/412:10 pmSTI - ATL
1 stop7h 57mMultiple Airlines
Deal found 7/1$400

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 July 3, 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

Sat 9/27

10:22 am-12:50 pm

1 stop26h 28m

Santiago de los Caballeros

Thu 10/9

2:15 pm-7:33 pm

1 stop29h 18m

$333

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Mon 7/28

5:20 am-9:50 am

1 stop4h 30m

Santiago de los Caballeros

Sun 8/3

10:55 am-4:57 pm

1 stop6h 02m

$340

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Sat 9/27

10:21 pm-12:50 pm

2 stops14h 29m

Santiago de los Caballeros

Sat 10/4

12:10 pm-8:07 pm

1 stop7h 57m

$400

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Tue 7/29

5:20 am-9:50 am

1 stop4h 30m

$156

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Sun 8/10

10:25 am-12:51 pm

1 stop26h 26m

$166

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Sun 8/3

4:34 pm-9:50 am

1 stop17h 16m

$169

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Wed 12/3

11:59 am-8:34 pm

1 stop7h 35m

$306

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Thu 12/4

12:42 pm-9:55 pm

1 stop8h 13m

$316

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 June 27, 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 $629). 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 July 3, 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 July 3, 2025.
See what other customers who have flown with American Airlines, Spirit Airlines, and Frontier 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.
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Food

6.5

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Food

6.5

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
Spirit Airlines
6.3
Okay
8,094 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Food

6.5

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
Frontier
5.9
Fair
3,284 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Food

6.5

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.

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.

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

    According to our current data, Frontier ($333), and Spirit Airlines ($340) offers the cheapest pricing from Atlanta to Santiago de los Caballeros. Frontier is 47% 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 ($156), Frontier ($166), and American Airlines ($461).

  • 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 $629). 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.

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$266Average$472FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$333Average$456FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$392Average$527FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$620Average$793FlexibilityNo cancel feeOn-time71%
DeltaCheapest$661Average$1,071FlexibilityNo cancel feeOn-timeN/A

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