HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisville

$195+ Cheap flights from San Antonio to Louisville (SAT - 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SDF
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Louisville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Antonio to Louisville

Cheapest flights from San Antonio to Louisville
Explore the most affordable flight options available from San Antonio to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/315:20 amSAT - SDF
1 stop6h 52mDelta
Sun 1/46:51 pmSDF - SAT
1 stop6h 47mDelta
Deal found 12/16$368
This Mytrip deal was found by Cheapflights users on 12/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:39 pmSAT - SDF
1 stop8h 20mSpirit Airlines
Sun 1/45:05 amSDF - SAT
3 stops25h 32mSpirit Airlines
Deal found 12/16$418
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Wed 12/312:39 pmSAT - SDF
1 stop8h 20mMultiple Airlines
Sun 1/45:05 amSDF - SAT
2 stops36h 56mMultiple Airlines
Deal found 12/16$430
This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/305:10 amSAT - SDF
1 stop7h 25mDelta
Sat 1/38:30 amSDF - SAT
1 stop5h 00mDelta
Deal found 12/16$467
This Delta deal was found by Cheapflights users on 12/17. 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.
Wed 12/242:51 pmSAT - SDF
1 stop7h 12mDelta
Mon 12/2910:14 amSDF - SAT
1 stop8h 03mDelta
Deal found 12/17$483
This Southwest deal was found by Cheapflights users on 12/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:10 pmSAT - SDF
2 stops7h 20mSouthwest
Sat 1/33:30 pmSDF - SAT
2 stops9h 25mSouthwest
Deal found 12/16$499
This Southwest deal was found by Cheapflights users on 12/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:45 pmSAT - SDF
1 stop9h 00mSouthwest
Mon 12/296:20 amSDF - SAT
2 stops6h 50mSouthwest
Deal found 12/17$578
This Southwest deal was found by Cheapflights users on 12/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:40 amSAT - SDF
1 stop6h 10mSouthwest
Tue 12/309:05 pmSDF - SAT
1 stop5h 15mSouthwest
Deal found 12/16$617
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/237:40 amSAT - SDF
2 stops8h 48mUnited Airlines
Tue 12/302:00 pmSDF - SAT
2 stops9h 48mUnited Airlines
Deal found 12/16$627

Find flight deals from San Antonio to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$195
(Priceline)

Popular in

May

Cheapest in

August

Average price

$386
Provider with most accurate pricing for San Antonio-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Louisville Intl flights.
Search Deals
From San Antonio to Louisville Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio 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 December 18, 2025.
Use the filters below to find and compare flights from San Antonio to Louisville that are best for you.

Fly from

San Antonio

Fly to

Louisville

Route

Depart

Return

Price

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Wed 1/7

2:39 pm-11:59 pm

1 stop8h 20m

Louisville Intl

Wed 1/14

1:55 pm-11:52 pm

1 stop10h 57m

$195

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Wed 1/7

12:45 pm-11:59 pm

2 stops10h 14m

Louisville Intl

Wed 1/14

1:55 pm-8:14 am

1 stop19h 19m

$212

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Sun 1/11

7:14 pm-2:41 pm

2 stops42h 27m

Louisville Intl

Sun 1/18

3:36 pm-9:40 am

1 stop19h 04m

$275

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Wed 1/7

2:45 pm-10:10 pm

2 stops6h 25m

Louisville Intl

Wed 1/14

6:00 am-3:45 pm

2 stops10h 45m

$323

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Fri 2/13

1:35 pm-8:28 pm

1 stop5h 53m

Louisville Intl

Tue 2/17

10:18 am-5:27 pm

1 stop8h 09m

$350

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Thu 1/1

11:30 am-11:59 pm

1 stop11h 29m

Louisville Intl

Mon 1/5

8:53 pm-11:26 pm

1 stop27h 33m

$367

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Wed 12/31

5:20 am-1:12 pm

1 stop6h 52m

Louisville Intl

Sun 1/4

6:51 pm-12:38 am

1 stop6h 47m

$368

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Thu 1/1

2:13 pm-9:54 pm

1 stop6h 41m

Louisville Intl

Mon 1/5

9:05 am-3:53 pm

2 stops7h 48m

$373

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Fri 2/13

6:30 am-2:34 pm

1 stop7h 04m

Louisville Intl

Sun 2/15

5:33 am-10:00 am

1 stop5h 27m

$387

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Thu 1/1

11:30 am-11:59 pm

1 stop11h 29m

Louisville Intl

Mon 1/5

5:05 am-5:37 am

3 stops25h 32m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 14 results
1
2

Compare providers for flights from San Antonio 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 San Antonio to Louisville in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust 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 San Antonio-Louisville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Antonio-Louisville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Antonio-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-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 San Antonio-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 San Antonio to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from San Antonio 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 San Antonio to Louisville

What is the cheapest month to book a flight from San Antonio to Louisville?

Currently, September is the cheapest month in which you can book a flight from San Antonio to Louisville (average of $56). Flying from San Antonio to Louisville in January is currently the most expensive (average of $163). 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 SAT to SDF?

Find hourly flight availability from San Antonio 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 December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from San Antonio to Louisville in the afternoon. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated December 18, 2025.
Read through reviews of airlines operating flights from San Antonio to Louisville, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,005 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,091 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,054 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from San Antonio 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 San Antonio to Louisville?

    Airlines like Spirit Airlines, Southwest, and Delta fly from San Antonio to Louisville in about 5h 53m. The time it takes to get you to your destination can typically vary by up to 2h 27m. The distance between San Antonio and Louisville is about 941 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from San Antonio to Louisville round-trip?

    Currently priced at $123, Delta will fly you from San Antonio to Louisville and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Southwest - these airlines can fly you to your destination from $236 and $270, respectively. Delta is priced at 66% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from San Antonio to Louisville one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $104. Delta flights start at $118 while deals on Southwest start at $122 one-way.

  • Can I find deals for flights from San Antonio to Louisville that include hotel bookings?

    Yes. In addition to deals on San Antonio to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Louisville?

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

  • Can I find deals for business class flights from San Antonio to Louisville?

    Yes. Cheapflights offers flight deals from San Antonio 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 San Antonio to Louisville?

    Currently, September is the cheapest month in which you can book a flight from San Antonio to Louisville (average of $56). Flying from San Antonio to Louisville in January is currently the most expensive (average of $163). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Antonio to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Nashville flights
Hobby to Nashville flights
George Bush Intcntl to Nashville flights
Dallas/Fort Worth to Cincinnati flights
Austin to Nashville flights
Hobby to Knoxville flights
Hobby to Cincinnati flights
Dallas/Fort Worth to Knoxville flights
George Bush Intcntl to Knoxville flights
Love Field to Nashville flights
Hobby to Louisville flights
George Bush Intcntl to Cincinnati flights
George Bush Intcntl to Louisville flights
San Antonio to Nashville flights
Dallas/Fort Worth to Louisville flights
Austin to Cincinnati flights
Dallas/Fort Worth to Lexington flights
Lubbock to Nashville flights
Love Field to Cincinnati flights
Austin to Knoxville flights
El Paso to Nashville flights
Love Field to Louisville flights
Dallas/Fort Worth to Blountville flights
Austin to Louisville flights
San Antonio to Knoxville flights
Hobby to Lexington flights
McAllen to Nashville flights
George Bush Intcntl to Lexington flights
Corpus Christi to Nashville flights
Love Field to Knoxville flights
Love Field to Blountville flights
San Antonio to Cincinnati flights
Midland to Knoxville flights
San Antonio to Lexington flights
Harlingen to Nashville flights
Austin to Lexington flights
Austin to Blountville flights
Corpus Christi to Cincinnati flights
Midland to Nashville flights
Love Field to Lexington flights
El Paso to Cincinnati flights
Brownsville to Nashville flights
Hobby to Evansville flights
McAllen to Cincinnati flights
McAllen to Louisville flights
George Bush Intcntl to Evansville flights
Midland to Cincinnati flights
McAllen to Knoxville flights
Hobby to Blountville flights

Top 4 airlines flying from San Antonio to Louisville

Discover the top 4 airlines that operate flights from San Antonio to Louisville. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$213Average$362FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$236Average$411FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$270Average$387FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$279Average$377FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.