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Cheap flights from Atlanta to Santiago de los Caballeros from $144

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 4/25. 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
5:10 am - 2:02 pm
ATL
-
STI
8h 52m
1 stop
Spirit Airlines Logo
3:07 pm - 11:11 pm
STI
-
ATL
8h 04m
1 stop
$283Spirit Airlines
Thu, May 14 - Mon, May 18
Spirit Airlines Logo
5:56 pm - 1:49 am
ATL
-
STI
7h 53m
1 stop
Spirit Airlines Logo
2:46 am - 4:23 pm
STI
-
ATL
13h 37m
1 stop
$305Spirit Airlines
Thu, Apr 9 - Mon, Apr 13
Spirit Airlines Logo
9:07 am - 2:23 pm
ATL
-
STI
5h 16m
1 stop
Spirit Airlines Logo
3:07 pm - 11:59 pm
STI
-
ATL
8h 52m
1 stop
$311Spirit Airlines
Mon, Apr 13 - Thu, Apr 16
Spirit Airlines Logo
5:10 am - 2:02 pm
ATL
-
STI
8h 52m
1 stop
Spirit Airlines Logo
3:07 pm - 11:11 pm
STI
-
ATL
8h 04m
1 stop
$314Spirit Airlines
Thu, May 7 - Thu, May 14
Spirit Airlines Logo
5:10 am - 2:02 pm
ATL
-
STI
8h 52m
1 stop
Spirit Airlines Logo
3:07 pm - 11:11 pm
STI
-
ATL
8h 04m
1 stop
$316Spirit Airlines
Mon, May 4 - Mon, May 11
Spirit Airlines Logo
5:10 am - 2:02 pm
ATL
-
STI
8h 52m
1 stop
Spirit Airlines Logo
3:07 pm - 11:11 pm
STI
-
ATL
8h 04m
1 stop
$321Spirit Airlines
Thu, May 7 - Sun, May 10
Spirit Airlines Logo
5:10 am - 2:02 pm
ATL
-
STI
8h 52m
1 stop
Spirit Airlines Logo
3:07 pm - 11:59 pm
STI
-
ATL
8h 52m
1 stop
$322Spirit Airlines
Sat, Apr 18 - Sat, Apr 25
Spirit Airlines Logo
9:12 am - 2:02 pm
ATL
-
STI
4h 50m
1 stop
Spirit Airlines Logo
3:07 pm - 11:11 pm
STI
-
ATL
8h 04m
1 stop
$323Spirit Airlines
Sat, May 9 - Sat, May 16
Spirit Airlines Logo
9:12 am - 2:02 pm
ATL
-
STI
4h 50m
1 stop
Spirit Airlines Logo
3:07 pm - 11:11 pm
STI
-
ATL
8h 04m
1 stop
$326Spirit Airlines
Sat, May 2 - Mon, May 11
Spirit Airlines Logo
5:56 pm - 1:49 am
ATL
-
STI
7h 53m
1 stop
Spirit Airlines Logo
3:07 pm - 8:07 am
STI
-
ATL
17h 00m
1 stop
$327Spirit Airlines
Fri, Apr 10 - Sun, Apr 19

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
May 14
ATL5:10 amAtlanta Hartsfield-Jackson
8h 52m
1 stop
STI2:02 pmSantiago de los Caballeros
May 18
STI3:07 pmSantiago de los Caballeros
8h 04m
1 stop
ATL11:11 pmAtlanta Hartsfield-Jackson
$283
Spirit Airlines
Apr 9
ATL5:56 pmAtlanta Hartsfield-Jackson
7h 53m
1 stop
STI1:49 amSantiago de los Caballeros
Apr 13
STI2:46 amSantiago de los Caballeros
13h 37m
1 stop
ATL4:23 pmAtlanta Hartsfield-Jackson
$305
Spirit Airlines
Apr 13
ATL9:07 amAtlanta Hartsfield-Jackson
5h 16m
1 stop
STI2:23 pmSantiago de los Caballeros
Apr 16
STI3:07 pmSantiago de los Caballeros
8h 52m
1 stop
ATL11:59 pmAtlanta Hartsfield-Jackson
$311

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 March 24, 2026.
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

Cheapest round-trip

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Thu 5/14

5:10 am-2:02 pm

1 stop8h 52m

Santiago de los Caballeros

Mon 5/18

3:07 pm-11:11 pm

1 stop8h 04m

$283

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Thu 4/9

5:56 pm-1:49 am

1 stop7h 53m

Santiago de los Caballeros

Mon 4/13

2:46 am-4:23 pm

1 stop13h 37m

$305

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Mon 4/13

9:07 am-2:23 pm

1 stop5h 16m

Santiago de los Caballeros

Thu 4/16

3:07 pm-11:59 pm

1 stop8h 52m

$311

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Thu 5/7

5:10 am-2:02 pm

1 stop8h 52m

Santiago de los Caballeros

Thu 5/14

3:07 pm-11:11 pm

1 stop8h 04m

$314

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Mon 5/4

5:10 am-2:02 pm

1 stop8h 52m

Santiago de los Caballeros

Mon 5/11

3:07 pm-11:11 pm

1 stop8h 04m

$316

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Thu 5/7

5:10 am-2:02 pm

1 stop8h 52m

Santiago de los Caballeros

Sun 5/10

3:07 pm-11:11 pm

1 stop8h 04m

$321

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Sat 4/18

5:10 am-2:02 pm

1 stop8h 52m

Santiago de los Caballeros

Sat 4/25

3:07 pm-11:59 pm

1 stop8h 52m

$322
Quickest round-trip

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Sat 5/9

9:12 am-2:02 pm

1 stop4h 50m

Santiago de los Caballeros

Sat 5/16

3:07 pm-11:11 pm

1 stop8h 04m

$323

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Sat 5/2

9:12 am-2:02 pm

1 stop4h 50m

Santiago de los Caballeros

Mon 5/11

3:07 pm-11:11 pm

1 stop8h 04m

$326

AtlantaSantiago de los Caballeros

ATL - STI

ATLSTI

Atlanta Hartsfield-Jackson

Fri 4/10

5:56 pm-1:49 am

1 stop7h 53m

Santiago de los Caballeros

Sun 4/19

3:07 pm-8:07 am

1 stop17h 00m

$327

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 January. Flight prices, which tend to average around $295, 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 January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $306.

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 $505 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 $389 on momondo.

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

As of March 2026, prices for Atlanta to Santiago de los Caballeros flights are approximately 26% 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

4h 38m

Direct flights

None
The fastest flight from Atlanta to Santiago de los Caballeros takes 4h 38m
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 4h 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
Spirit AirlinesPriceFrom $255Free CancellationRating
6.3
8,538 reviews
Search Spirit Airlines flights
JetBluePriceFrom $360Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
American AirlinesPriceFrom $535Free CancellationRating
7.1
11,486 reviews
Search American Airlines flights
DeltaPriceFrom $621Free CancellationRating
7.9
8,318 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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