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$446+ Cheap flights from Santiago de los Caballeros (STI) to Louisville (SDF)

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
STI — SDF
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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Cheap flight deals from Santiago de los Caballeros to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Santiago de los Caballeros (STI) to Louisville (SDF). 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 octubre 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$446
(Spirit Airlines)
Provider with most accurate pricing for Santiago de los Caballeros-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Santiago de los Caballeros-Louisville Intl flights.
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From Santiago de los Caballeros to Louisville Intl
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Find flight deals from Santiago de los Caballeros to Louisville

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

This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/193:24 pmSTI - SDF
2 stops18h 26mAmerican Airlines
lun. 1/55:00 amSDF - STI
2 stops15h 04mAmerican Airlines
Deal found 10/28$598
This American Airlines deal was found by Cheapflights users on 10/26. 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.
jue. 12/114:32 pmSTI - SDF
1 stop8h 22mAmerican Airlines
mar. 12/166:23 pmSDF - STI
2 stops20h 09mAmerican Airlines
Deal found 10/26$615
This United Airlines deal was found by Cheapflights users on 10/28. 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.
vie. 12/194:00 pmSTI - SDF
1 stop8h 22mUnited Airlines
lun. 1/53:44 pmSDF - STI
1 stop7h 07mUnited Airlines
Deal found 10/28$664
This American Airlines deal was found by Cheapflights users on 10/26. 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.
mié. 12/174:32 pmSTI - SDF
1 stop8h 21mAmerican Airlines
mar. 12/235:00 amSDF - STI
2 stops15h 04mAmerican Airlines
Deal found 10/26$757
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
mar. 12/163:43 amSTI - SDF
2 stops30h 00mMultiple Airlines
mar. 12/2312:20 pmSDF - STI
1 stop13h 22mMultiple Airlines
Deal found 10/26$764
This United Airlines deal was found by Cheapflights users on 10/26. 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.
jue. 12/114:00 pmSTI - SDF
1 stop8h 32mUnited Airlines
mar. 12/166:00 amSDF - STI
1 stop7h 53mUnited Airlines
Deal found 10/26$1,122

Cheapflights Fare Finder

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

Fly from

Santiago de los Caballeros

Fly to

Louisville

Route

Depart

Return

Price

Santiago de los CaballerosLouisville

STI - SDF

STISDF

Santiago de los Caballeros

jue. 2/19

6:18 pm-9:54 am

1 stop16h 36m

Louisville Intl

dom. 2/22

10:55 am-5:06 pm

1 stop5h 11m

$446

Santiago de los CaballerosLouisville

STI - SDF

STISDF

Santiago de los Caballeros

vie. 12/19

3:24 pm-8:50 am

2 stops18h 26m

Louisville Intl

lun. 1/5

5:00 am-9:04 pm

2 stops15h 04m

$598

Santiago de los CaballerosLouisville

STI - SDF

STISDF

Santiago de los Caballeros

jue. 12/11

4:32 pm-11:54 pm

1 stop8h 22m

Louisville Intl

mar. 12/16

6:23 pm-3:32 pm

2 stops20h 09m

$615

Santiago de los CaballerosLouisville

STI - SDF

STISDF

Santiago de los Caballeros

jue. 2/19

6:00 am-10:13 pm

2 stops17h 13m

Louisville Intl

dom. 2/22

9:00 am-11:51 pm

2 stops13h 51m

$651

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Compare providers for flights from Santiago de los Caballeros to Louisville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santiago de los Caballeros to Louisville in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Santiago de los Caballeros-Louisville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Santiago de los Caballeros-Louisville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Santiago de los Caballeros-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santiago de los Caballeros-Louisville flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santiago de los Caballeros-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

Currently, April is the cheapest month in which you can book a flight from Santiago de los Caballeros to Louisville (average of $271). Flying from Santiago de los Caballeros to Louisville in May is currently the most expensive (average of $614). 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 STI to SDF?

Find hourly flight availability from Santiago de los Caballeros to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 29, 2025.

When flying from Santiago de los Caballeros to Louisville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 44% versus a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Santiago de los Caballeros to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Santiago de los Caballeros to Louisville?

    Departing from Santiago de los Caballeros to Louisville will take you 16h 36m. There are 1582 mi between Santiago de los Caballeros and Louisville.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santiago de los Caballeros to Louisville.

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

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

    Currently, April is the cheapest month in which you can book a flight from Santiago de los Caballeros to Louisville (average of $271). Flying from Santiago de los Caballeros to Louisville in May is currently the most expensive (average of $614). 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

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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