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Cheap flights from Atlanta to Santiago de los Caballeros from $103

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to Santiago de los Caballeros departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Atlanta to Santiago de los Caballeros

Cheap round-trip flights

Spirit Airlines Logo
9:02 pm - 9:15 amATL-STI
12h 13m1 stop
Spirit Airlines Logo
12:10 pm - 11:59 pmSTI-ATL
11h 49m1 stop
$285Spirit Airlines
Find Deal
mar., ago. 26 - mar., sep. 30
Spirit Airlines Logo
9:02 pm - 9:15 amATL-STI
12h 13m1 stop
Spirit Airlines Logo
12:10 pm - 12:28 amSTI-ATL
12h 18m1 stop
$306Spirit Airlines
Find Deal
mar., ago. 19 - jue., sep. 4
Spirit Airlines Logo
5:27 am - 11:05 amATL-STI
5h 38m1 stop
Spirit Airlines Logo
12:10 pm - 11:59 pmSTI-ATL
11h 49m1 stop
$310Spirit Airlines
Find Deal
sáb., sep. 6 - mié., sep. 10
Spirit Airlines Logo
5:47 am - 5:06 pmATL-STI
10h 19m1 stop
Spirit Airlines Logo
6:18 pm - 12:35 amSTI-ATL
7h 17m1 stop
$321Spirit Airlines
Find Deal
mar., nov. 11 - vie., nov. 14
Spirit Airlines Logo
5:27 am - 11:05 amATL-STI
5h 38m1 stop
Spirit Airlines Logo
12:10 pm - 8:12 pmSTI-ATL
8h 02m1 stop
$322Spirit Airlines
Find Deal
mar., sep. 16 - sáb., sep. 27
Spirit Airlines Logo
9:17 pm - 11:05 amATL-STI
13h 48m1 stop
Spirit Airlines Logo
12:10 pm - 12:23 amSTI-ATL
12h 13m1 stop
$324Spirit Airlines
Find Deal
mié., oct. 8 - mié., oct. 15
Spirit Airlines Logo
5:27 am - 11:05 amATL-STI
5h 38m1 stop
Spirit Airlines Logo
12:10 pm - 12:28 amSTI-ATL
12h 18m1 stop
$325Spirit Airlines
Find Deal
lun., sep. 15 - jue., oct. 2
Spirit Airlines Logo
5:27 am - 11:05 amATL-STI
5h 38m1 stop
Spirit Airlines Logo
12:10 pm - 8:12 pmSTI-ATL
8h 02m1 stop
$326Spirit Airlines
Find Deal
vie., sep. 12 - lun., sep. 15
Logo
10:06 pm - 9:15 amATL-STI
11h 09m1 stop
Logo
12:10 pm - 9:20 pmSTI-ATL
9h 10m1 stop
$359
Find Deal
vie., ago. 29 - lun., sep. 8
Frontier Logo
10:22 am - 12:59 pmATL-STI
26h 37m1 stop
Frontier Logo
2:15 pm - 7:33 pmSTI-ATL
29h 18m1 stop
$364Frontier
Find Deal
sáb., oct. 4 - dom., oct. 12

Spirit Airlines flights from Atlanta to Santiago de los Caballeros

Our best Spirit Airlines deals on Atlanta to Santiago de los Caballeros flight tickets
Spirit Airlines
Aug 26
ATL9:02 pmAtlanta Hartsfield-Jackson
12h 13m
1 stop
STI9:15 amSantiago de los Caballeros
Sep 30
STI12:10 pmSantiago de los Caballeros
11h 49m
1 stop
ATL11:59 pmAtlanta Hartsfield-Jackson
$285
Find similar
Spirit Airlines
Aug 19
ATL9:02 pmAtlanta Hartsfield-Jackson
12h 13m
1 stop
STI9:15 amSantiago de los Caballeros
Sep 4
STI12:10 pmSantiago de los Caballeros
12h 18m
1 stop
ATL12:28 amAtlanta Hartsfield-Jackson
$306
Find similar
Spirit Airlines
Sep 6
ATL5:27 amAtlanta Hartsfield-Jackson
5h 38m
1 stop
STI11:05 amSantiago de los Caballeros
Sep 10
STI12:10 pmSantiago de los Caballeros
11h 49m
1 stop
ATL11:59 pmAtlanta Hartsfield-Jackson
$310
Find similar

Frontier flights from Atlanta to Santiago de los Caballeros

Our best Frontier deals on Atlanta to Santiago de los Caballeros flight tickets
Frontier
Oct 4
ATL10:22 amAtlanta Hartsfield-Jackson
26h 37m
1 stop
STI12:59 pmSantiago de los Caballeros
Oct 12
STI2:15 pmSantiago de los Caballeros
29h 18m
1 stop
ATL7:33 pmAtlanta Hartsfield-Jackson
$364
Find similar
Frontier
Aug 6
ATL7:03 pmAtlanta Hartsfield-Jackson
41h 48m
2 stops
STI12:51 pmSantiago de los Caballeros
Aug 13
STI2:10 pmSantiago de los Caballeros
29h 07m
1 stop
ATL7:17 pmAtlanta Hartsfield-Jackson
$441
Find similar
Frontier
Aug 12
ATL7:03 pmAtlanta Hartsfield-Jackson
17h 48m
2 stops
STI12:51 pmSantiago de los Caballeros
Aug 18
STI2:06 pmSantiago de los Caballeros
22h 44m
2 stops
ATL12:50 pmAtlanta Hartsfield-Jackson
$457
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated julio 31, 2025.
Use the filters below to find and compare flights from Atlanta to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

mar. 8/26

9:02 pm-9:15 am

1 stop12h 13m

Santiago de los Caballeros

mar. 9/30

12:10 pm-11:59 pm

1 stop11h 49m

$285

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

mar. 8/19

9:02 pm-9:15 am

1 stop12h 13m

Santiago de los Caballeros

jue. 9/4

12:10 pm-12:28 am

1 stop12h 18m

$306

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

sáb. 9/6

5:27 am-11:05 am

1 stop5h 38m

Santiago de los Caballeros

mié. 9/10

12:10 pm-11:59 pm

1 stop11h 49m

$310

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

mar. 11/11

5:47 am-5:06 pm

1 stop10h 19m

Santiago de los Caballeros

vie. 11/14

6:18 pm-12:35 am

1 stop7h 17m

$321

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

mar. 9/16

5:27 am-11:05 am

1 stop5h 38m

Santiago de los Caballeros

sáb. 9/27

12:10 pm-8:12 pm

1 stop8h 02m

$322

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

mié. 10/8

9:17 pm-11:05 am

1 stop13h 48m

Santiago de los Caballeros

mié. 10/15

12:10 pm-12:23 am

1 stop12h 13m

$324

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

lun. 9/15

5:27 am-11:05 am

1 stop5h 38m

Santiago de los Caballeros

jue. 10/2

12:10 pm-12:28 am

1 stop12h 18m

$325

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

vie. 9/12

5:27 am-11:05 am

1 stop5h 38m

Santiago de los Caballeros

lun. 9/15

12:10 pm-8:12 pm

1 stop8h 02m

$326

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

vie. 8/29

10:06 pm-9:15 am

1 stop11h 09m

Santiago de los Caballeros

lun. 9/8

12:10 pm-9:20 pm

1 stop9h 10m

$359

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

sáb. 10/4

10:22 am-12:59 pm

1 stop26h 37m

Santiago de los Caballeros

dom. 10/12

2:15 pm-7:33 pm

1 stop29h 18m

$364

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Santiago de los Caballeros from

How to get the cheapest flight ticket from Atlanta to Santiago de los Caballeros

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Santiago de los Caballeros?

The cheapest month to fly to Santiago de los Caballeros from Atlanta is in September. Flight prices, which tend to average around $432, are often lower during this time because this is during the off-season. If you aren’t able to travel to Santiago de los Caballeros during the month of September, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $486.

What is the cheapest day to depart on your flight to Santiago de los Caballeros?

The cheapest day to depart from Atlanta to Santiago de los Caballeros is on a Thursday when prices can be found for as low as $335. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Atlanta to Santiago de los Caballeros for around $716.

What is the cheapest time of day to depart on your flight to Santiago de los Caballeros?

Our data shows that the cheapest Atlanta to Santiago de los Caballeros flights are usually those with departure times in the evening. Our users have found flights to Santiago de los Caballeros in the evening for as low as $336. In the morning is when there is more demand to fly to Santiago de los Caballeros, so prices are often more expensive at around $716 per ticket.

How far in advance should I book a flight to Santiago de los Caballeros?

You are more likely to see cheaper flights to Santiago de los Caballeros from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to Santiago de los Caballeros for around $617 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Santiago de los Caballeros from Atlanta for as low as $509 on momondo.

How have Atlanta to Santiago de los Caballeros flight prices changed over time?

As of July 2025, prices for Atlanta to Santiago de los Caballeros flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from Atlanta to Santiago de los Caballeros

Are you open to changing your travel dates? Check out the ideal times to fly from Atlanta to Santiago de los Caballeros according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Atlanta to Santiago de los Caballeros (ATL to STI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Atlanta to Santiago de los Caballeros

Best Price Found

$103

Fastest flight time

4h 30m

Direct flights

None

Airports in Santiago de los Caballeros

1 airport
The best one-way flight to Santiago de los Caballeros from Atlanta in the past 72 hours is $103. The best round-trip flight deal from Atlanta to Santiago de los Caballeros found on momondo in the last 72 hours is $285.
The fastest flight from Atlanta to Santiago de los Caballeros takes 4h 30m
There are no direct flights from Atlanta to Santiago de los Caballeros. Popular non-direct route for this connection is Atlanta Hartsfield-Jackson Airport - Santiago de los Caballeros Airport.
There is 1 airport near Santiago de los Caballeros: Santiago de los Caballeros (STI)
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  • How far is Atlanta Hartsfield-Jackson to Santiago de los Caballeros by plane?

    The straight-line distance from Atlanta Hartsfield-Jackson to Santiago de los Caballeros is 1297.2 mi. Typically, this will take 5h 38m by plane in normal conditions.

  • When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Santiago de los Caballeros Airport?

    Prices for flights from Atlanta Hartsfield-Jackson Airport to Santiago de los Caballeros Airport are updated daily.

  • How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to Santiago de los Caballeros Airport?

  • How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Santiago de los Caballeros Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Atlanta Hartsfield-Jackson Airport to Santiago de los Caballeros Airport.

  • What documentation or ID do you need to fly to Santiago de los Caballeros Airport?

    The travel and health documents required for your trip to Santiago de los Caballeros Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Santiago de los Caballeros Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Atlanta to Santiago de los Caballeros?

Best airlines flying from Atlanta to Santiago de los Caballeros

Compare and see reviews for airlines that fly from Atlanta to Santiago de los Caballeros with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $266Free CancellationRating
5.9
3,239 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $343Free CancellationRating
6.3
8,048 reviews
Search Spirit Airlines flights
JetBluePriceFrom $392Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
American AirlinesPriceFrom $620Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $661Free CancellationRating
8.0
7,981 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Atlanta to Santiago de los Caballeros?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Atlanta to Santiago de los Caballeros. momondo saves you time and could save you money on your trip.

Can I find flights from Atlanta to Santiago de los Caballeros with flexible booking policies on momondo?

All flight searches from Atlanta to Santiago de los Caballeros on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Atlanta to Santiago de los Caballeros?

momondo provides multiple filters to help you find the best flight to Santiago de los Caballeros from Atlanta. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Atlanta to Santiago de los Caballeros right now. Can momondo alert me if prices change?

Price alerts on flights to Santiago de los Caballeros from Atlanta are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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