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Cheap flights from Louisville to San Antonio from $125

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to San Antonio departing on 8/4. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:17 pm - 6:46 pm
SDF
-
SAT
6h 29m
1 stop
Delta Logo
5:20 am - 12:21 pm
SAT
-
SDF
6h 01m
1 stop
$249Delta
Thu, Aug 13 - Thu, Aug 20
Southwest Logo
7:10 pm - 11:15 pm
SDF
-
SAT
5h 05m
1 stop
Southwest Logo
7:35 am - 4:20 pm
SAT
-
SDF
7h 45m
2 stops
$254Southwest
Thu, Aug 6 - Wed, Aug 12
Southwest Logo
7:55 am - 2:45 pm
SDF
-
SAT
7h 50m
2 stops
Southwest Logo
11:30 am - 8:35 pm
SAT
-
SDF
8h 05m
2 stops
$259Southwest
Thu, Aug 6 - Wed, Aug 12
Southwest Logo
11:05 am - 7:20 pm
SDF
-
SAT
9h 15m
1 stop
Southwest Logo
5:35 am - 3:30 pm
SAT
-
SDF
8h 55m
2 stops
$270Southwest
Thu, Aug 13 - Thu, Aug 20
Southwest Logo
7:55 am - 2:45 pm
SDF
-
SAT
7h 50m
2 stops
Southwest Logo
12:20 pm - 8:25 pm
SAT
-
SDF
7h 05m
2 stops
$275Southwest
Thu, Aug 13 - Thu, Aug 20
United Airlines Logo
10:23 am - 4:31 pm
SDF
-
SAT
7h 08m
1 stop
United Airlines Logo
7:35 am - 1:07 pm
SAT
-
SDF
4h 32m
1 stop
$282United Airlines
Fri, Sep 4 - Sat, Sep 5
Southwest Logo
11:05 am - 7:20 pm
SDF
-
SAT
9h 15m
1 stop
Southwest Logo
8:35 am - 5:15 pm
SAT
-
SDF
7h 40m
2 stops
$298Southwest
Fri, Sep 4 - Sat, Sep 5
Delta Logo
5:45 pm - 9:44 pm
SDF
-
SAT
4h 59m
1 stop
Delta Logo
6:22 pm - 12:02 am
SAT
-
SDF
4h 40m
1 stop
$300Delta
Thu, Oct 22 - Mon, Oct 26
United Airlines Logo
10:23 am - 4:31 pm
SDF
-
SAT
7h 08m
1 stop
United Airlines Logo
2:15 pm - 7:59 pm
SAT
-
SDF
4h 44m
1 stop
$315United Airlines
Fri, Aug 21 - Fri, Aug 28
Southwest Logo
3:50 pm - 9:10 pm
SDF
-
SAT
6h 20m
2 stops
Southwest Logo
2:20 pm - 10:10 pm
SAT
-
SDF
6h 50m
2 stops
$325Southwest
Sat, Nov 7 - Mon, Nov 9

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American Airlines flights from Louisville to San Antonio

Our best American Airlines deals on Louisville to San Antonio flight tickets
American Airlines
Aug 18
SDF5:29 pmLouisville Intl
6h 21m
1 stop
SAT10:50 pmSan Antonio
Aug 25
SAT4:22 pmSan Antonio
4h 55m
1 stop
SDF10:17 pmLouisville Intl
$379
American Airlines
Aug 13
SDF6:28 amLouisville Intl
7h 25m
1 stop
SAT12:53 pmSan Antonio
Aug 16
SAT5:00 amSan Antonio
4h 39m
1 stop
SDF10:39 amLouisville Intl
$407
American Airlines
Oct 7
SDF6:00 amLouisville Intl
4h 56m
1 stop
SAT9:56 amSan Antonio
Oct 10
SAT6:05 amSan Antonio
7h 46m
1 stop
SDF2:51 pmLouisville Intl
$419

Delta flights from Louisville to San Antonio

Our best Delta deals on Louisville to San Antonio flight tickets
Delta
Aug 4
SDF8:05 amLouisville Intl
6h 33m
1 stop
SAT1:38 pmSan Antonio
Aug 6
SAT5:20 amSan Antonio
6h 01m
1 stop
SDF12:21 pmLouisville Intl
$249
Delta
Aug 7
SDF9:52 amLouisville Intl
4h 46m
1 stop
SAT1:38 pmSan Antonio
Aug 11
SAT10:46 amSan Antonio
5h 14m
1 stop
SDF5:00 pmLouisville Intl
$282
Delta
Aug 6
SDF8:05 amLouisville Intl
6h 33m
1 stop
SAT1:38 pmSan Antonio
Aug 6
SAT5:45 pmSan Antonio
5h 49m
1 stop
SDF12:34 amLouisville Intl
$300

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to San Antonio 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 July 9, 2026.
Use the filters below to find and compare flights from Louisville to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 8/13

1:17 pm-6:46 pm

1 stop6h 29m

San Antonio

Thu 8/20

5:20 am-12:21 pm

1 stop6h 01m

$249

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 8/6

7:10 pm-11:15 pm

1 stop5h 05m

San Antonio

Wed 8/12

7:35 am-4:20 pm

2 stops7h 45m

$254

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 8/6

7:55 am-2:45 pm

2 stops7h 50m

San Antonio

Wed 8/12

11:30 am-8:35 pm

2 stops8h 05m

$259

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 8/13

11:05 am-7:20 pm

1 stop9h 15m

San Antonio

Thu 8/20

5:35 am-3:30 pm

2 stops8h 55m

$270

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 8/13

7:55 am-2:45 pm

2 stops7h 50m

San Antonio

Thu 8/20

12:20 pm-8:25 pm

2 stops7h 05m

$275

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 9/4

10:23 am-4:31 pm

1 stop7h 08m

San Antonio

Sat 9/5

7:35 am-1:07 pm

1 stop4h 32m

$282

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 9/4

11:05 am-7:20 pm

1 stop9h 15m

San Antonio

Sat 9/5

8:35 am-5:15 pm

2 stops7h 40m

$298
Quickest round-trip

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 10/22

5:45 pm-9:44 pm

1 stop4h 59m

San Antonio

Mon 10/26

6:22 pm-12:02 am

1 stop4h 40m

$300

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 8/21

10:23 am-4:31 pm

1 stop7h 08m

San Antonio

Fri 8/28

2:15 pm-7:59 pm

1 stop4h 44m

$315

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sat 11/7

3:50 pm-9:10 pm

2 stops6h 20m

San Antonio

Mon 11/9

2:20 pm-10:10 pm

2 stops6h 50m

$325

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Louisville to San Antonio

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 typical price of a round-trip flight between Louisville and San Antonio?

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of February, then book flights to San Antonio from Louisville during August instead. Flights to San Antonio in August, while not as cheap as those in February, still average around $356.

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

You are more likely to see cheaper flights to San Antonio from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $419 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Louisville for as low as $319 on momondo.

How have Louisville to San Antonio flight prices changed over time?

As of July 2026, prices for Louisville to San Antonio flights are approximately 199% more expensive when compared to flights at the same time last year.

When to book flights from Louisville to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to San Antonio (SDF to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to San Antonio

Fastest flight time

4h 11m

Direct flights

None
The fastest flight from Louisville to San Antonio takes 4h 11m
There are no direct flights from Louisville to San Antonio. There are no popular flight routes from Louisville to San Antonio.
Search flight deals

Frequently asked questions about flying from Louisville to San Antonio

  • How far is Louisville Intl to San Antonio by plane?

    A flight from Louisville Intl to San Antonio will travel around 949.7 mi. 4h 11m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Louisville Intl Airport to San Antonio Airport?

    Prices for flights from Louisville Intl Airport to San Antonio Airport were last updated today.

  • How many operators does momondo search for flights from Louisville Intl Airport to San Antonio Airport?

  • How old do you have to be to fly from Louisville Intl Airport to San Antonio Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Louisville to San Antonio?

Best airlines flying from Louisville to San Antonio

Compare and see reviews for airlines that fly from Louisville to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $127Free CancellationRating
7.8
8,451 reviews
Search Delta flights
American AirlinesPriceFrom $242Free CancellationRating
7.1
11,783 reviews
Search American Airlines flights
SouthwestPriceFrom $298Free CancellationRating
7.9
4,249 reviews
Search Southwest flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
9,948 reviews
Search United Airlines flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Pleasanton
Boerne
Schertz

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to San Antonio?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to San Antonio for you.

Can I find flights from Louisville to San Antonio with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Antonio from Louisville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Louisville to San Antonio?

momondo helps you find the best flight between Louisville and San Antonio by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Louisville to San Antonio right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Louisville to San Antonio flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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