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Cheap flights from Louisville to San Antonio from $178

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 7/14. 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.
American Airlines Logo
7:29 pm - 11:59 pm
SDF
-
SAT
5h 30m
1 stop
American Airlines Logo
3:56 pm - 9:38 pm
SAT
-
SDF
4h 42m
1 stop
$273American Airlines
Wed, Oct 21 - Mon, Oct 26
Southwest Logo
8:15 am - 2:50 pm
SDF
-
SAT
7h 35m
1 stop
Southwest Logo
6:55 am - 12:05 pm
SAT
-
SDF
4h 10m
1 stop
$274Southwest
Wed, Sep 23 - Sat, Sep 26
Southwest Logo
11:50 am - 6:15 pm
SDF
-
SAT
7h 25m
1 stop
Southwest Logo
5:40 am - 2:15 pm
SAT
-
SDF
7h 35m
2 stops
$279Southwest
Wed, Sep 23 - Sat, Sep 26
Southwest Logo
5:55 am - 2:10 pm
SDF
-
SAT
9h 15m
2 stops
Southwest Logo
1:00 pm - 8:55 pm
SAT
-
SDF
6h 55m
2 stops
$284Southwest
Sat, Oct 24 - Tue, Oct 27
Delta Logo
7:30 pm - 12:28 am
SDF
-
SAT
5h 58m
1 stop
Delta Logo
6:15 pm - 12:02 am
SAT
-
SDF
4h 47m
1 stop
$293Delta
Wed, Oct 21 - Mon, Oct 26
American Airlines Logo
7:29 pm - 11:59 pm
SDF
-
SAT
5h 30m
1 stop
American Airlines Logo
11:03 am - 6:45 pm
SAT
-
SDF
6h 42m
1 stop
$297American Airlines
Sat, Oct 24 - Mon, Oct 26
American Airlines Logo
6:00 am - 10:01 am
SDF
-
SAT
5h 01m
1 stop
American Airlines Logo
5:00 am - 11:16 am
SAT
-
SDF
5h 16m
1 stop
$298American Airlines
Fri, Sep 11 - Tue, Sep 15
American Airlines Logo
6:48 am - 12:50 pm
SDF
-
SAT
7h 02m
1 stop
American Airlines Logo
5:01 am - 10:39 am
SAT
-
SDF
4h 38m
1 stop
$307American Airlines
Tue, Jul 14 - Wed, Jul 22
Southwest Logo
8:35 am - 5:30 pm
SDF
-
SAT
9h 55m
1 stop
Southwest Logo
5:25 pm - 12:40 am
SAT
-
SDF
6h 15m
1 stop
$310Southwest
Tue, Oct 13 - Fri, Oct 16
Southwest Logo
5:55 am - 12:15 pm
SDF
-
SAT
7h 20m
1 stop
Southwest Logo
5:30 am - 12:15 pm
SAT
-
SDF
5h 45m
2 stops
$313Southwest
Sat, Oct 24 - Mon, Oct 26

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Southwest flights from Louisville to San Antonio

Our best Southwest deals on Louisville to San Antonio flight tickets
Southwest
Sep 23
SDF8:15 amLouisville Intl
7h 35m
1 stop
SAT2:50 pmSan Antonio
Sep 26
SAT6:55 amSan Antonio
4h 10m
1 stop
SDF12:05 pmLouisville Intl
$274
Southwest
Sep 23
SDF11:50 amLouisville Intl
7h 25m
1 stop
SAT6:15 pmSan Antonio
Sep 26
SAT5:40 amSan Antonio
7h 35m
2 stops
SDF2:15 pmLouisville Intl
$279
Southwest
Oct 24
SDF5:55 amLouisville Intl
9h 15m
2 stops
SAT2:10 pmSan Antonio
Oct 27
SAT1:00 pmSan Antonio
6h 55m
2 stops
SDF8:55 pmLouisville Intl
$284

Delta flights from Louisville to San Antonio

Our best Delta deals on Louisville to San Antonio flight tickets
Delta
Oct 21
SDF7:30 pmLouisville Intl
5h 58m
1 stop
SAT12:28 amSan Antonio
Oct 26
SAT6:15 pmSan Antonio
4h 47m
1 stop
SDF12:02 amLouisville Intl
$293
Delta
Sep 3
SDF7:05 amLouisville Intl
7h 33m
1 stop
SAT1:38 pmSan Antonio
Sep 8
SAT2:10 pmSan Antonio
5h 42m
1 stop
SDF8:52 pmLouisville Intl
$340
Delta
Aug 13
SDF6:00 amLouisville Intl
4h 48m
1 stop
SAT9:48 amSan Antonio
Aug 16
SAT5:39 pmSan Antonio
5h 55m
1 stop
SDF12:34 amLouisville Intl
$376

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 13, 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
Quickest round-trip

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 10/21

7:29 pm-11:59 pm

1 stop5h 30m

San Antonio

Mon 10/26

3:56 pm-9:38 pm

1 stop4h 42m

$273

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 9/23

8:15 am-2:50 pm

1 stop7h 35m

San Antonio

Sat 9/26

6:55 am-12:05 pm

1 stop4h 10m

$274

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 9/23

11:50 am-6:15 pm

1 stop7h 25m

San Antonio

Sat 9/26

5:40 am-2:15 pm

2 stops7h 35m

$279

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sat 10/24

5:55 am-2:10 pm

2 stops9h 15m

San Antonio

Tue 10/27

1:00 pm-8:55 pm

2 stops6h 55m

$284

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 10/21

7:30 pm-12:28 am

1 stop5h 58m

San Antonio

Mon 10/26

6:15 pm-12:02 am

1 stop4h 47m

$293

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sat 10/24

7:29 pm-11:59 pm

1 stop5h 30m

San Antonio

Mon 10/26

11:03 am-6:45 pm

1 stop6h 42m

$297

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 9/11

6:00 am-10:01 am

1 stop5h 01m

San Antonio

Tue 9/15

5:00 am-11:16 am

1 stop5h 16m

$298

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 7/14

6:48 am-12:50 pm

1 stop7h 02m

San Antonio

Wed 7/22

5:01 am-10:39 am

1 stop4h 38m

$307

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 10/13

8:35 am-5:30 pm

1 stop9h 55m

San Antonio

Fri 10/16

5:25 pm-12:40 am

1 stop6h 15m

$310

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sat 10/24

5:55 am-12:15 pm

1 stop7h 20m

San Antonio

Mon 10/26

5:30 am-12:15 pm

2 stops5h 45m

$313

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 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 have Louisville to San Antonio flight prices changed over time?

As of June 2026, prices for Louisville to San Antonio flights are approximately 56% 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 43m

Direct flights

None
The fastest flight from Louisville to San Antonio takes 4h 43m
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 43m 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
7.9
8,406 reviews
Search Delta flights
American AirlinesPriceFrom $242Free CancellationRating
7.1
11,649 reviews
Search American Airlines flights
SouthwestPriceFrom $298Free CancellationRating
7.9
4,235 reviews
Search Southwest flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
9,816 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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