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Cheap flights from Atlanta to Santiago de los Caballeros from $113

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 2/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Atlanta to Santiago de los Caballeros

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
8:39 am - 3:35 pm
ATL
-
STI
5h 56m1 stop
Spirit Airlines Logo
4:40 pm - 9:25 pm
STI
-
ATL
5h 45m1 stop
$244Spirit Airlines
Thu, Feb 19 - Tue, Feb 24
Spirit Airlines Logo
8:39 am - 3:35 pm
ATL
-
STI
5h 56m1 stop
Spirit Airlines Logo
4:40 pm - 10:54 pm
STI
-
ATL
7h 14m1 stop
$251Spirit Airlines
Thu, Feb 19 - Tue, Feb 24
Spirit Airlines Logo
8:58 am - 3:33 pm
ATL
-
STI
5h 35m1 stop
Spirit Airlines Logo
4:40 pm - 11:08 pm
STI
-
ATL
7h 28m1 stop
$262Spirit Airlines
Thu, Feb 5 - Mon, Feb 9
Spirit Airlines Logo
5:25 am - 3:33 pm
ATL
-
STI
9h 08m1 stop
Spirit Airlines Logo
4:40 pm - 11:08 pm
STI
-
ATL
7h 28m1 stop
$269Spirit Airlines
Thu, Jan 8 - Tue, Jan 13
Spirit Airlines Logo
5:25 am - 3:35 pm
ATL
-
STI
9h 10m1 stop
Spirit Airlines Logo
4:40 pm - 9:45 pm
STI
-
ATL
6h 05m1 stop
$271Spirit Airlines
Thu, Feb 19 - Tue, Feb 24
Spirit Airlines Logo
2:29 pm - 3:33 pm
ATL
-
STI
24h 04m1 stop
Spirit Airlines Logo
4:40 pm - 11:08 pm
STI
-
ATL
7h 28m1 stop
$275Spirit Airlines
Wed, Jan 7 - Tue, Jan 13
Spirit Airlines Logo
8:21 pm - 3:33 pm
ATL
-
STI
18h 12m1 stop
Spirit Airlines Logo
4:40 pm - 10:24 am
STI
-
ATL
18h 44m1 stop
$281Spirit Airlines
Wed, Jan 21 - Mon, Jan 26
Spirit Airlines Logo
5:25 am - 3:33 pm
ATL
-
STI
9h 08m1 stop
Spirit Airlines Logo
4:40 pm - 11:08 pm
STI
-
ATL
7h 28m1 stop
$288Spirit Airlines
Fri, Jan 16 - Sat, Jan 24
Spirit Airlines Logo
8:21 pm - 3:33 pm
ATL
-
STI
18h 12m1 stop
Spirit Airlines Logo
4:40 pm - 10:24 am
STI
-
ATL
18h 44m1 stop
$294Spirit Airlines
Thu, Jan 15 - Mon, Jan 19
Multiple Airlines Logo
7:15 am - 3:35 pm
ATL
-
STI
7h 20m1 stop
Multiple Airlines Logo
4:40 pm - 12:45 pm
STI
-
ATL
21h 05m1 stop
$295Multiple Airlines
Thu, Feb 12 - Mon, Feb 16

JetBlue flights from Atlanta to Santiago de los Caballeros

Our best JetBlue deals on Atlanta to Santiago de los Caballeros flight tickets
JetBlue
Jan 31
ATL4:25 pmAtlanta Hartsfield-Jackson
9h 24m
1 stop
STI2:49 amSantiago de los Caballeros
Feb 4
STI12:12 pmSantiago de los Caballeros
10h 49m
1 stop
ATL10:01 pmAtlanta Hartsfield-Jackson
$349
Find similar
JetBlue
Mar 7
ATL7:05 pmAtlanta Hartsfield-Jackson
7h 40m
1 stop
STI3:45 amSantiago de los Caballeros
Mar 27
STI9:07 amSantiago de los Caballeros
7h 31m
1 stop
ATL4:38 pmAtlanta Hartsfield-Jackson
$366
Find similar
JetBlue
Jan 14
ATL8:00 amAtlanta Hartsfield-Jackson
25h 37m
1 stop
STI10:37 amSantiago de los Caballeros
Jan 20
STI12:12 pmSantiago de los Caballeros
10h 49m
1 stop
ATL10:01 pmAtlanta Hartsfield-Jackson
$384
Find similar

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
Feb 19
ATL8:39 amAtlanta Hartsfield-Jackson
5h 56m
1 stop
STI3:35 pmSantiago de los Caballeros
Feb 24
STI4:40 pmSantiago de los Caballeros
5h 45m
1 stop
ATL9:25 pmAtlanta Hartsfield-Jackson
$244
Find similar
Spirit Airlines
Feb 19
ATL8:39 amAtlanta Hartsfield-Jackson
5h 56m
1 stop
STI3:35 pmSantiago de los Caballeros
Feb 24
STI4:40 pmSantiago de los Caballeros
7h 14m
1 stop
ATL10:54 pmAtlanta Hartsfield-Jackson
$251
Find similar
Spirit Airlines
Feb 5
ATL8:58 amAtlanta Hartsfield-Jackson
5h 35m
1 stop
STI3:33 pmSantiago de los Caballeros
Feb 9
STI4:40 pmSantiago de los Caballeros
7h 28m
1 stop
ATL11:08 pmAtlanta Hartsfield-Jackson
$262
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 December 18, 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

Thu 2/19

8:39 am-3:35 pm

1 stop5h 56m

Santiago de los Caballeros

Tue 2/24

4:40 pm-9:25 pm

1 stop5h 45m

$244

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Thu 2/19

8:39 am-3:35 pm

1 stop5h 56m

Santiago de los Caballeros

Tue 2/24

4:40 pm-10:54 pm

1 stop7h 14m

$251

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Thu 2/5

8:58 am-3:33 pm

1 stop5h 35m

Santiago de los Caballeros

Mon 2/9

4:40 pm-11:08 pm

1 stop7h 28m

$262

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Thu 1/8

5:25 am-3:33 pm

1 stop9h 08m

Santiago de los Caballeros

Tue 1/13

4:40 pm-11:08 pm

1 stop7h 28m

$269

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-9:45 pm

1 stop6h 05m

$271

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Wed 1/7

2:29 pm-3:33 pm

1 stop24h 04m

Santiago de los Caballeros

Tue 1/13

4:40 pm-11:08 pm

1 stop7h 28m

$275

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Wed 1/21

8:21 pm-3:33 pm

1 stop18h 12m

Santiago de los Caballeros

Mon 1/26

4:40 pm-10:24 am

1 stop18h 44m

$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

$288

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Thu 1/15

8:21 pm-3:33 pm

1 stop18h 12m

Santiago de los Caballeros

Mon 1/19

4:40 pm-10:24 am

1 stop18h 44m

$294

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Thu 2/12

7:15 am-3:35 pm

1 stop7h 20m

Santiago de los Caballeros

Mon 2/16

4:40 pm-12:45 pm

1 stop21h 05m

$295

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 October. Flight prices, which tend to average around $359, 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 October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $423.

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 $570 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 $423 on momondo.

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

As of December 2025, prices for Atlanta to Santiago de los Caballeros flights are approximately 17% 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

Fastest flight time

5h 35m

Direct flights

None
The fastest flight from Atlanta to Santiago de los Caballeros takes 5h 35m
There are no direct flights from Atlanta to Santiago de los Caballeros. There are no popular flight routes from Atlanta to Santiago de los Caballeros.
Search flight deals

  • 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 35m 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 $289Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $333Free CancellationRating
6.3
8,190 reviews
Search Spirit Airlines flights
JetBluePriceFrom $367Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights
American AirlinesPriceFrom $620Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
DeltaPriceFrom $621Free CancellationRating
7.9
8,005 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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