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Cheap flights from Louisville to Santiago de los Caballeros from $675

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Santiago de los Caballeros departing on 1/25. 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 Louisville to Santiago de los Caballeros

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:28 am - 2:53 pm
SDF
-
STI
7h 25m1 stop
United Airlines Logo
4:00 pm - 11:23 pm
STI
-
SDF
8h 23m1 stop
$675United Airlines
Sun, Jan 25 - Thu, Jan 29
United Airlines Logo
6:28 am - 2:53 pm
SDF
-
STI
7h 25m1 stop
United Airlines Logo
4:00 pm - 1:24 pm
STI
-
SDF
22h 24m2 stops
$679United Airlines
Sun, Jan 25 - Thu, Jan 29

United Airlines flights from Louisville to Santiago de los Caballeros

Our best United Airlines deals on Louisville to Santiago de los Caballeros flight tickets
United Airlines
Jan 25
SDF6:28 amLouisville Intl
7h 25m
1 stop
STI2:53 pmSantiago de los Caballeros
Jan 29
STI4:00 pmSantiago de los Caballeros
8h 23m
1 stop
SDF11:23 pmLouisville Intl
$675
Find similar
United Airlines
Jan 25
SDF11:10 amLouisville Intl
11h 41m
2 stops
STI11:51 pmSantiago de los Caballeros
Jan 29
STI6:00 amSantiago de los Caballeros
15h 28m
2 stops
SDF8:28 pmLouisville Intl
$679
Find similar

American Airlines flights from Louisville to Santiago de los Caballeros

Our best American Airlines deals on Louisville to Santiago de los Caballeros flight tickets
American Airlines
Dec 20
SDF9:20 amLouisville Intl
28h 04m
2 stops
STI2:24 pmSantiago de los Caballeros
Jan 2
STI6:00 amSantiago de los Caballeros
42h 16m
2 stops
SDF11:16 pmLouisville Intl
$940
Find similar
American Airlines
Dec 20
SDF9:20 amLouisville Intl
28h 04m
2 stops
STI2:24 pmSantiago de los Caballeros
Jan 2
STI6:00 amSantiago de los Caballeros
32h 30m
2 stops
SDF1:30 pmLouisville Intl
$941
Find similar
American Airlines
Dec 20
SDF7:24 pmLouisville Intl
24h 40m
2 stops
STI9:04 pmSantiago de los Caballeros
Jan 2
STI3:24 pmSantiago de los Caballeros
31h 10m
2 stops
SDF9:34 pmLouisville Intl
$1,103
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Louisville to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSantiago de los Caballeros

SDF - STI

SDFSTI

Louisville Intl

Sun 1/25

6:28 am-2:53 pm

1 stop7h 25m

Santiago de los Caballeros

Thu 1/29

4:00 pm-11:23 pm

1 stop8h 23m

$675

LouisvilleSantiago de los Caballeros

SDF - STI

SDFSTI

Louisville Intl

Sun 1/25

6:28 am-2:53 pm

1 stop7h 25m

Santiago de los Caballeros

Thu 1/29

4:00 pm-1:24 pm

2 stops22h 24m

$679

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Santiago de los Caballeros from

How to get the cheapest flight ticket from Louisville 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 day to depart on your flight to Santiago de los Caballeros?

The cheapest day to depart from Louisville to Santiago de los Caballeros is on a Friday when prices can be found for as low as $562. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Louisville to Santiago de los Caballeros for around $740.

Can stopping save me money on Louisville to Santiago de los Caballeros flights?

You could potentially save up to 11% on your flight if you consider stops on a Louisville to Santiago de los Caballeros flight.

When to book flights from Louisville to Santiago de los Caballeros

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville 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 Louisville to Santiago de los Caballeros (SDF to STI) flight deals and tips

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

Fastest flight time

7h 25m

Direct flights

None
The fastest flight from Louisville to Santiago de los Caballeros takes 7h 25m
There are no direct flights from Louisville to Santiago de los Caballeros. There are no popular flight routes from Louisville to Santiago de los Caballeros.
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  • How far is Louisville Intl to Santiago de los Caballeros by plane?

    A flight from Louisville Intl to Santiago de los Caballeros will travel around 1580.6 mi. Flights usually cover this in 7h 25m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Louisville Intl Airport to Santiago de los Caballeros Airport?

    Prices for flights from Louisville Intl Airport to Santiago de los Caballeros Airport were last updated today.

  • How many operators does momondo search for flights from Louisville Intl Airport to Santiago de los Caballeros Airport?

  • How old do you have to be to fly from Louisville Intl Airport to Santiago de los Caballeros Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl 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 you'll need for your trip to Santiago de los Caballeros Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Santiago de los Caballeros Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Louisville to Santiago de los Caballeros

Compare and see reviews for airlines that fly from Louisville to Santiago de los Caballeros with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $514Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Santiago de los Caballeros from Louisville.

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

Yes. momondo enables you to select and highlight flights to Santiago de los Caballeros from Louisville with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Louisville to Santiago de los Caballeros.

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

Yes. momondo can track prices for Louisville to Santiago de los Caballeros flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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