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Santiago de los Caballeros

$274+ Cheap flights from Louisville (SDF) to Santiago de los Caballeros (STI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — STI
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Louisville to Santiago de los Caballeros

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) 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 29, 2025.

Round-trip from

$274
(eDestinos)
From Louisville Intl to Santiago de los Caballeros
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Find flight deals from Louisville to Santiago de los Caballeros

Cheapest flights from Louisville to Santiago de los Caballeros
Explore the most affordable flight options available from Louisville to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This eDestinos deal was found by Cheapflights users on 7/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/177:58 pmSDF - STI
1 stop13h 17mSpirit Airlines
Fri 8/2210:20 amSTI - SDF
1 stop8h 33mSpirit Airlines
Deal found 7/27$274
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Fri 8/297:58 pmSDF - STI
1 stop13h 17mMultiple Airlines
Sun 9/712:10 pmSTI - SDF
1 stop22h 17mMultiple Airlines
Deal found 7/29$352
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/266:14 amSDF - STI
1 stop6h 17mAmerican Airlines
Tue 9/21:31 pmSTI - SDF
2 stops20h 52mAmerican Airlines
Deal found 7/27$519
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/96:00 amSDF - STI
2 stops18h 47mDelta
Sat 8/162:04 pmSTI - SDF
2 stops18h 47mDelta
Deal found 7/28$734
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/96:30 amSDF - STI
1 stop8h 42mUnited Airlines
Sat 8/162:07 pmSTI - SDF
1 stop8h 51mUnited Airlines
Deal found 7/28$916

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville 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 29, 2025.
Use the filters below to find and compare flights from Louisville to Santiago de los Caballeros that are best for you.

Fly from

Louisville

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

LouisvilleSantiago de los Caballeros

SDF - STI

SDFSTI

Louisville Intl

Sun 8/17

7:58 pm-9:15 am

1 stop13h 17m

Santiago de los Caballeros

Fri 8/22

10:20 am-6:53 pm

1 stop8h 33m

$274

LouisvilleSantiago de los Caballeros

SDF - STI

SDFSTI

Louisville Intl

Fri 8/29

7:58 pm-9:15 am

1 stop13h 17m

Santiago de los Caballeros

Sun 9/7

12:10 pm-10:27 am

1 stop22h 17m

$352

LouisvilleSantiago de los Caballeros

SDF - STI

SDFSTI

Louisville Intl

Tue 8/26

6:14 am-8:48 pm

1 stop14h 34m

Santiago de los Caballeros

Tue 9/2

7:00 am-9:30 pm

2 stops14h 30m

$519

LouisvilleSantiago de los Caballeros

SDF - STI

SDFSTI

Louisville Intl

Sat 8/9

6:00 am-12:47 am

2 stops18h 47m

Santiago de los Caballeros

Sat 8/16

2:04 pm-8:51 am

2 stops18h 47m

$734

LouisvilleSantiago de los Caballeros

SDF - STI

SDFSTI

Louisville Intl

Sat 8/9

6:30 am-3:12 pm

1 stop8h 42m

Santiago de los Caballeros

Sat 8/16

2:07 pm-10:58 pm

1 stop8h 51m

$916

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Louisville to Santiago de los Caballeros

Have a flexible travel schedule? Discover the best time to fly to Santiago de los Caballeros from Louisville 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 Louisville to Santiago de los Caballeros

What is the cheapest month to book a flight from Louisville to Santiago de los Caballeros?

Currently, May is the cheapest month in which you can book a flight from Louisville to Santiago de los Caballeros (average of $347). Flying from Louisville to Santiago de los Caballeros in July is currently the most expensive (average of $612). 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.

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 29, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Louisville 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
7,979 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,044 reviews
Delta
8.0
Very good
7,979 reviews

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Louisville 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 Louisville to Santiago de los Caballeros round-trip?

    Spirit Airlines, at $274, was found to be the cheapest airline from Louisville to Santiago de los Caballeros.Alternate airlines to your destination round-trip include American Airlines and Delta.

  • Can I find deals for flights from Louisville to Santiago de los Caballeros that include hotel bookings?

    Yes. In addition to deals on Louisville to Santiago de los Caballeros flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville 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 Louisville to Santiago de los Caballeros.

  • Can I find deals for business class flights from Louisville to Santiago de los Caballeros?

    Yes. Cheapflights offers flight deals from Louisville 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 Louisville to Santiago de los Caballeros?

    Currently, May is the cheapest month in which you can book a flight from Louisville to Santiago de los Caballeros (average of $347). Flying from Louisville to Santiago de los Caballeros in July is currently the most expensive (average of $612). 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 Louisville 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 airline flying from Louisville to Santiago de los Caballeros

Discover the top airline that operate flights from Louisville 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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$514Average$594FlexibilityNo cancel feeOn-time71%

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