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$121+ Cheap flights from San Antonio to Louisville (SAT - SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SDF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from San Antonio to Louisville Intl are usually found in September or February, booked 81 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap 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 June 12, 2025.

Round-trip from

$186
(FlightHub)

One-way from

$121
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$406
From San Antonio to Louisville Intl
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One-way flight from San Antonio to Louisville Intl
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Highest demand for flights based on searches. 14% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:09 pmSAT - SDF
1 stop21h 44mSpirit Airlines
Mon 11/1712:00 pmSDF - SAT
1 stop24h 14mSpirit Airlines
Deal found 6/11$186
This American Airlines deal was found by Cheapflights users on 6/10. 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 8/52:15 pmSAT - SDF
1 stop7h 29mAmerican Airlines
Mon 8/116:39 pmSDF - SAT
1 stop5h 20mAmerican Airlines
Deal found 6/10$245
This Southwest deal was found by Cheapflights users on 6/10. 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 8/266:00 amSAT - SDF
2 stops8h 15mSouthwest
Thu 8/284:20 pmSDF - SAT
1 stop6h 45mSouthwest
Deal found 6/10$252
This Mytrip deal was found by Cheapflights users on 6/11. 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 7/97:52 pmSAT - SDF
2 stops21h 06mMultiple Airlines
Wed 7/169:46 amSDF - SAT
1 stop15h 13mMultiple Airlines
Deal found 6/11$270
This Delta deal was found by Cheapflights users on 6/10. 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.
Fri 8/155:25 amSAT - SDF
1 stop5h 20mDelta
Wed 8/2012:45 pmSDF - SAT
1 stop5h 21mDelta
Deal found 6/10$282
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 8/152:18 pmSAT - SDF
1 stop4h 48mUnited Airlines
Wed 8/209:05 amSDF - SAT
2 stops7h 21mUnited Airlines
Deal found 6/10$357

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 June 12, 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

Thu 11/13

12:09 pm-10:53 am

1 stop21h 44m

Louisville Intl

Mon 11/17

12:00 pm-11:14 am

1 stop24h 14m

$186

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Tue 8/5

2:15 pm-10:44 pm

1 stop7h 29m

Louisville Intl

Mon 8/11

6:39 pm-10:59 pm

1 stop5h 20m

$245

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Tue 8/26

6:00 am-3:15 pm

2 stops8h 15m

Louisville Intl

Thu 8/28

4:20 pm-10:05 pm

1 stop6h 45m

$252

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Wed 7/9

7:52 pm-5:58 pm

2 stops21h 06m

Louisville Intl

Wed 7/16

9:46 am-11:59 pm

1 stop15h 13m

$270

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Fri 8/15

5:25 am-11:45 am

1 stop5h 20m

Louisville Intl

Wed 8/20

12:45 pm-5:06 pm

1 stop5h 21m

$282

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Fri 8/15

2:18 pm-8:06 pm

1 stop4h 48m

Louisville Intl

Wed 8/20

9:05 am-3:26 pm

2 stops7h 21m

$357

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Fri 7/18

7:10 am-7:08 pm

1 stop10h 58m

$121

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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

How far ahead should I book a flight from San Antonio to Louisville?

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Louisville. Price data was last updated on June 9, 2025.

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio to Louisville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from San Antonio to Louisville (average of $299). Flying from San Antonio to Louisville in April is currently the most expensive (average of $369). 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 June 12, 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 25% on your trip compared to booking a flight at noon.

Rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

Plan your trip to Louisville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 12, 2025.
See what other customers who have flown with Southwest, Delta and United Airlines from San Antonio to Louisville have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Food

7.1

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Food

7.1

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,946 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Food

7.1

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Food

7.1

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Food

7.1

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,052 reviews
Southwest
8.0
Very good
4,287 reviews

Crew

8.6

Overall

8.0

Food

7.1

Comfort

8.0

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.

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

    Currently priced at $186, Spirit Airlines will fly you from San Antonio to Louisville and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Southwest - these airlines can fly you to your destination from $245 and $252, respectively. Spirit Airlines is priced at 53% lower than the current average price of a flight leaving 3 months from now.

  • 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, January is the cheapest month in which you can book a flight from San Antonio to Louisville (average of $299). Flying from San Antonio to Louisville in April is currently the most expensive (average of $369). 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 San Antonio?

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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$219Average$362FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$276Average$394FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$312Average$388FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$316Average$450FlexibilityNo cancel feeOn-time69%

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