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Cheap flights from Louisville to San Antonio from $122

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 9/15. 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

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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.
United Airlines Logo
3:25 pm - 8:52 pm
SDF
-
SAT
6h 27m
1 stop
United Airlines Logo
1:00 pm - 8:36 pm
SAT
-
SDF
6h 36m
1 stop
$243United Airlines
Wed, Aug 12 - Tue, Aug 18
Delta Logo
8:05 am - 1:38 pm
SDF
-
SAT
6h 33m
1 stop
Delta Logo
5:20 am - 12:21 pm
SAT
-
SDF
6h 01m
1 stop
$261Delta
Wed, Aug 26 - Tue, Sep 1
United Airlines Logo
7:25 am - 10:36 am
SDF
-
SAT
4h 11m
1 stop
United Airlines Logo
2:15 pm - 11:59 pm
SAT
-
SDF
8h 44m
2 stops
$288United Airlines
Wed, Aug 12 - Tue, Aug 18
Delta Logo
12:53 pm - 5:09 pm
SDF
-
SAT
5h 16m
1 stop
Delta Logo
8:00 am - 2:48 pm
SAT
-
SDF
5h 48m
1 stop
$301Delta
Tue, Sep 8 - Mon, Sep 14
United Airlines Logo
3:25 pm - 8:52 pm
SDF
-
SAT
6h 27m
1 stop
United Airlines Logo
12:55 pm - 7:07 pm
SAT
-
SDF
5h 12m
1 stop
$314United Airlines
Wed, Aug 26 - Fri, Aug 28
American Airlines Logo
7:30 pm - 11:59 pm
SDF
-
SAT
5h 29m
1 stop
American Airlines Logo
1:34 pm - 9:25 pm
SAT
-
SDF
6h 51m
1 stop
$323American Airlines
Thu, Sep 3 - Tue, Sep 8
United Airlines Logo
5:15 am - 11:52 am
SDF
-
SAT
7h 37m
1 stop
United Airlines Logo
12:00 pm - 11:59 pm
SAT
-
SDF
10h 59m
2 stops
$328United Airlines
Wed, Aug 26 - Tue, Sep 1
Delta Logo
9:52 am - 1:38 pm
SDF
-
SAT
4h 46m
1 stop
Delta Logo
2:43 pm - 10:08 pm
SAT
-
SDF
6h 25m
1 stop
$331Delta
Fri, Aug 28 - Tue, Sep 1
United Airlines Logo
10:23 am - 7:58 pm
SDF
-
SAT
10h 35m
2 stops
United Airlines Logo
5:30 am - 4:37 pm
SAT
-
SDF
10h 07m
2 stops
$333United Airlines
Wed, Aug 26 - Tue, Sep 1
Delta Logo
5:45 pm - 10:43 pm
SDF
-
SAT
5h 58m
1 stop
Delta Logo
5:30 am - 11:33 am
SAT
-
SDF
5h 03m
1 stop
$341Delta
Sat, Sep 5 - Sat, Sep 12

American Airlines flights from Louisville to San Antonio

Our best American Airlines deals on Louisville to San Antonio flight tickets
American Airlines
Sep 3
SDF7:30 pmLouisville Intl
5h 29m
1 stop
SAT11:59 pmSan Antonio
Sep 8
SAT1:34 pmSan Antonio
6h 51m
1 stop
SDF9:25 pmLouisville Intl
$323
American Airlines
Jul 14
SDF6:48 amLouisville Intl
7h 02m
1 stop
SAT12:50 pmSan Antonio
Jul 22
SAT5:01 amSan Antonio
4h 38m
1 stop
SDF10:39 amLouisville Intl
$355
American Airlines
Oct 21
SDF8:55 amLouisville Intl
5h 12m
1 stop
SAT1:07 pmSan Antonio
Oct 26
SAT5:30 pmSan Antonio
4h 36m
1 stop
SDF11:06 pmLouisville Intl
$376

Southwest flights from Louisville to San Antonio

Our best Southwest deals on Louisville to San Antonio flight tickets
Southwest
Jun 24
SDF5:35 amLouisville Intl
6h 10m
1 stop
SAT10:45 amSan Antonio
Jul 1
SAT8:20 amSan Antonio
7h 25m
2 stops
SDF4:45 pmLouisville Intl
$360
Southwest
Sep 24
SDF3:05 pmLouisville Intl
7h 25m
1 stop
SAT9:30 pmSan Antonio
Sep 27
SAT2:45 pmSan Antonio
7h 25m
1 stop
SDF11:10 pmLouisville Intl
$365
Southwest
Aug 12
SDF7:05 amLouisville Intl
6h 45m
2 stops
SAT12:50 pmSan Antonio
Aug 18
SAT12:55 pmSan Antonio
6h 40m
2 stops
SDF8:35 pmLouisville Intl
$366

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 June 4, 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

Wed 8/12

3:25 pm-8:52 pm

1 stop6h 27m

San Antonio

Tue 8/18

1:00 pm-8:36 pm

1 stop6h 36m

$243

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 8/26

8:05 am-1:38 pm

1 stop6h 33m

San Antonio

Tue 9/1

5:20 am-12:21 pm

1 stop6h 01m

$261

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 8/12

7:25 am-10:36 am

1 stop4h 11m

San Antonio

Tue 8/18

2:15 pm-11:59 pm

2 stops8h 44m

$288

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 9/8

12:53 pm-5:09 pm

1 stop5h 16m

San Antonio

Mon 9/14

8:00 am-2:48 pm

1 stop5h 48m

$301

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 8/26

3:25 pm-8:52 pm

1 stop6h 27m

San Antonio

Fri 8/28

12:55 pm-7:07 pm

1 stop5h 12m

$314

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 9/3

7:30 pm-11:59 pm

1 stop5h 29m

San Antonio

Tue 9/8

1:34 pm-9:25 pm

1 stop6h 51m

$323

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 8/26

5:15 am-11:52 am

1 stop7h 37m

San Antonio

Tue 9/1

12:00 pm-11:59 pm

2 stops10h 59m

$328

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 8/28

9:52 am-1:38 pm

1 stop4h 46m

San Antonio

Tue 9/1

2:43 pm-10:08 pm

1 stop6h 25m

$331

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 8/26

10:23 am-7:58 pm

2 stops10h 35m

San Antonio

Tue 9/1

5:30 am-4:37 pm

2 stops10h 07m

$333
Quickest round-trip

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sat 9/5

5:45 pm-10:43 pm

1 stop5h 58m

San Antonio

Sat 9/12

5:30 am-11:33 am

1 stop5h 03m

$341

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 February instead. Flights to San Antonio in February, while not as cheap as those in August, still average around $346.

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 $392 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 $314 on momondo.

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

As of June 2026, prices for Louisville to San Antonio flights are approximately 1% 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

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 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
DeltaPriceFrom $127Free CancellationRating
7.8
8,395 reviews
Search Delta flights
American AirlinesPriceFrom $283Free CancellationRating
7.1
11,641 reviews
Search American Airlines flights
SouthwestPriceFrom $298Free CancellationRating
8.0
4,256 reviews
Search Southwest flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
9,773 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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