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Cheap flights from Louisville to San Antonio from $101

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 2/25. 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 San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:19 pm - 1:12 pm
SDF
-
SAT
24h 53m1 stop
Multiple Airlines Logo
8:24 pm - 12:21 pm
SAT
-
SDF
14h 57m1 stop
$217Multiple Airlines
Wed, Feb 25 - Sun, Mar 1
Spirit Airlines Logo
1:19 pm - 11:59 pm
SDF
-
SAT
11h 40m1 stop
Spirit Airlines Logo
6:00 am - 12:21 pm
SAT
-
SDF
5h 21m1 stop
$223Spirit Airlines
Wed, Feb 25 - Fri, Feb 27
Spirit Airlines Logo
1:19 pm - 11:59 pm
SDF
-
SAT
11h 40m1 stop
Spirit Airlines Logo
6:00 am - 12:21 pm
SAT
-
SDF
5h 21m1 stop
$231Spirit Airlines
Mon, Feb 23 - Fri, Feb 27
United Airlines Logo
3:30 pm - 7:41 pm
SDF
-
SAT
5h 11m1 stop
United Airlines Logo
1:18 pm - 10:37 pm
SAT
-
SDF
8h 19m1 stop
$237United Airlines
Wed, Feb 4 - Wed, Feb 18
Spirit Airlines Logo
1:19 pm - 11:59 pm
SDF
-
SAT
11h 40m1 stop
Spirit Airlines Logo
6:00 am - 12:21 pm
SAT
-
SDF
5h 21m1 stop
$238Spirit Airlines
Fri, Feb 27 - Mon, Mar 2
Multiple Airlines Logo
1:19 pm - 11:59 pm
SDF
-
SAT
11h 40m1 stop
Multiple Airlines Logo
9:39 pm - 12:21 pm
SAT
-
SDF
37h 42m2 stops
$246Multiple Airlines
Fri, Feb 27 - Mon, Mar 2
Spirit Airlines Logo
1:55 pm - 11:52 pm
SDF
-
SAT
10h 57m1 stop
Spirit Airlines Logo
6:30 am - 1:00 pm
SAT
-
SDF
5h 30m1 stop
$251Spirit Airlines
Wed, Feb 4 - Wed, Feb 11
Multiple Airlines Logo
1:19 pm - 1:12 pm
SDF
-
SAT
24h 53m1 stop
Multiple Airlines Logo
2:13 pm - 11:43 am
SAT
-
SDF
20h 30m1 stop
$253Multiple Airlines
Wed, Feb 25 - Sat, Feb 28
Delta Logo
6:23 am - 12:13 pm
SDF
-
SAT
6h 50m1 stop
Delta Logo
5:20 am - 11:37 am
SAT
-
SDF
5h 17m1 stop
$263Delta
Tue, Feb 3 - Thu, Feb 5
American Airlines Logo
8:07 am - 4:45 pm
SDF
-
SAT
9h 38m2 stops
American Airlines Logo
8:16 am - 1:43 pm
SAT
-
SDF
4h 27m1 stop
$268American Airlines
Tue, Feb 3 - Thu, Feb 5

United Airlines flights from Louisville to San Antonio

Our best United Airlines deals on Louisville to San Antonio flight tickets
United Airlines
Feb 4
SDF3:30 pmLouisville Intl
5h 11m
1 stop
SAT7:41 pmSan Antonio
Feb 18
SAT1:18 pmSan Antonio
8h 19m
1 stop
SDF10:37 pmLouisville Intl
$237
United Airlines
Feb 4
SDF2:05 pmLouisville Intl
8h 16m
2 stops
SAT9:21 pmSan Antonio
Feb 8
SAT7:40 amSan Antonio
4h 34m
1 stop
SDF1:14 pmLouisville Intl
$317
United Airlines
Feb 4
SDF2:05 pmLouisville Intl
9h 52m
2 stops
SAT10:57 pmSan Antonio
Feb 18
SAT5:20 amSan Antonio
8h 27m
2 stops
SDF2:47 pmLouisville Intl
$318

Delta flights from Louisville to San Antonio

Our best Delta deals on Louisville to San Antonio flight tickets
Delta
Feb 3
SDF6:23 amLouisville Intl
6h 50m
1 stop
SAT12:13 pmSan Antonio
Feb 5
SAT5:20 amSan Antonio
5h 17m
1 stop
SDF11:37 amLouisville Intl
$263
Delta
Feb 18
SDF5:49 pmLouisville Intl
5h 39m
1 stop
SAT10:28 pmSan Antonio
Feb 21
SAT5:59 pmSan Antonio
4h 59m
1 stop
SDF11:58 pmLouisville Intl
$277
Delta
Feb 21
SDF5:49 pmLouisville Intl
7h 46m
1 stop
SAT12:35 amSan Antonio
Feb 26
SAT6:27 pmSan Antonio
4h 31m
1 stop
SDF11:58 pmLouisville Intl
$303

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 January 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

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 2/25

1:19 pm-1:12 pm

1 stop24h 53m

San Antonio

Sun 3/1

8:24 pm-12:21 pm

1 stop14h 57m

$217

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 2/25

1:19 pm-11:59 pm

1 stop11h 40m

San Antonio

Fri 2/27

6:00 am-12:21 pm

1 stop5h 21m

$223

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 2/23

1:19 pm-11:59 pm

1 stop11h 40m

San Antonio

Fri 2/27

6:00 am-12:21 pm

1 stop5h 21m

$231

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 2/4

3:30 pm-7:41 pm

1 stop5h 11m

San Antonio

Wed 2/18

1:18 pm-10:37 pm

1 stop8h 19m

$237

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 2/27

1:19 pm-11:59 pm

1 stop11h 40m

San Antonio

Mon 3/2

6:00 am-12:21 pm

1 stop5h 21m

$238

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 2/27

1:19 pm-11:59 pm

1 stop11h 40m

San Antonio

Mon 3/2

9:39 pm-12:21 pm

2 stops37h 42m

$246

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 2/4

1:55 pm-11:52 pm

1 stop10h 57m

San Antonio

Wed 2/11

6:30 am-1:00 pm

1 stop5h 30m

$251

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 2/25

1:19 pm-1:12 pm

1 stop24h 53m

San Antonio

Sat 2/28

2:13 pm-11:43 am

1 stop20h 30m

$253

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 2/3

6:23 am-12:13 pm

1 stop6h 50m

San Antonio

Thu 2/5

5:20 am-11:37 am

1 stop5h 17m

$263

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 2/3

8:07 am-4:45 pm

2 stops9h 38m

San Antonio

Thu 2/5

8:16 am-1:43 pm

1 stop4h 27m

$268

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

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 August, then book flights to San Antonio from Louisville during June instead. Flights to San Antonio in June, while not as cheap as those in August, still average around $363.

How far in advance should I book a flight 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 $397 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 $305 on momondo.

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

As of January 2026, prices for Louisville to San Antonio flights are approximately 7% cheaper 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 48m

Direct flights

None
The fastest flight from Louisville to San Antonio takes 4h 48m
There are no direct flights from Louisville to San Antonio. There are no popular flight routes from Louisville to San Antonio.
Search flight deals

  • 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 48m 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
Spirit AirlinesPriceFrom $68Free CancellationRating
6.3
8,287 reviews
Search Spirit Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,031 reviews
Search Delta flights
American AirlinesPriceFrom $286Free CancellationRating
7.2
11,097 reviews
Search American Airlines flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,248 reviews
Search Southwest flights
United AirlinesPriceFrom $323Free CancellationRating
7.4
9,143 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
Boerne
Schertz
Pleasanton

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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