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Cheap flights from Louisville to San Antonio from $128

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
6:00 pm - 10:56 pmSDF  Louisville Intl-SAT San Antonio
5h 56m1 stop Charlotte Douglas
American Airlines Logo
6:05 am - 2:51 pmSAT  San Antonio-SDF Louisville Intl
7h 46m1 stop Charlotte Douglas
$255American Airlines
Wed, Oct 14 - Sat, Oct 17
American Airlines Logo
7:27 pm - 11:59 pmSDF  Louisville Intl-SAT San Antonio
5h 32m1 stop Dallas/Fort Worth
American Airlines Logo
6:05 am - 2:51 pmSAT  San Antonio-SDF Louisville Intl
7h 46m1 stop Charlotte Douglas
$255American Airlines
Wed, Oct 14 - Wed, Oct 21
Delta Logo
5:45 pm - 12:28 amSDF  Louisville Intl-SAT San Antonio
7h 43m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:45 am - 4:51 pmSAT  San Antonio-SDF Louisville Intl
5h 06m1 stop Atlanta Hartsfield-Jackson
$255Delta
Wed, Jan 27 - Wed, Feb 3
Delta Logo
7:00 am - 1:22 pmSDF  Louisville Intl-SAT San Antonio
7h 22m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:30 am - 1:49 pmSAT  San Antonio-SDF Louisville Intl
7h 19m1 stop Atlanta Hartsfield-Jackson
$255Delta
Wed, Jan 27 - Tue, Feb 2
Southwest Logo
8:30 am - 2:30 pmSDF  Louisville Intl-SAT San Antonio
7h 00m1 stop Chicago Midway
Southwest Logo
6:40 am - 3:00 pmSAT  San Antonio-SDF Louisville Intl
7h 20m2 stops Houston Hobby Dallas Love Field
$260Southwest
Wed, Jan 27 - Tue, Feb 2
Southwest Logo
3:35 pm - 9:25 pmSDF  Louisville Intl-SAT San Antonio
6h 50m2 stops Nashville Intl Dallas Love Field
Southwest Logo
12:45 pm - 8:00 pmSAT  San Antonio-SDF Louisville Intl
6h 15m2 stops Dallas Love Field Nashville Intl
$265Southwest
Wed, Jan 27 - Tue, Feb 2
United Airlines Logo
3:45 pm - 7:10 pmSDF  Louisville Intl-SAT San Antonio
4h 25m1 stop Houston George Bush Intcntl
United Airlines Logo
2:20 pm - 9:58 pmSAT  San Antonio-SDF Louisville Intl
6h 38m1 stop Houston George Bush Intcntl
$289United Airlines
Tue, Oct 27 - Fri, Oct 30
United Airlines Logo
9:10 am - 1:16 pmSDF  Louisville Intl-SAT San Antonio
5h 06m1 stop Houston George Bush Intcntl
United Airlines Logo
1:52 pm - 10:24 pmSAT  San Antonio-SDF Louisville Intl
7h 32m1 stop Denver Intl
$289United Airlines
Tue, Nov 3 - Fri, Nov 6
Multiple Airlines Logo
9:11 pm - 8:45 amSDF  Louisville Intl-SAT San Antonio
12h 34m1 stop Raleigh-Durham
Multiple Airlines Logo
10:03 am - 8:31 pmSAT  San Antonio-SDF Louisville Intl
9h 28m2 stops Orlando Raleigh-Durham
$352Multiple Airlines
Sat, Oct 3 - Wed, Oct 7
Multiple Airlines Logo
9:11 pm - 8:45 amSDF  Louisville Intl-SAT San Antonio
12h 34m1 stop Raleigh-Durham
Multiple Airlines Logo
10:03 am - 8:31 pmSAT  San Antonio-SDF Louisville Intl
9h 28m2 stops Orlando Raleigh-Durham
$360Multiple Airlines
Sat, Oct 3 - Wed, Oct 7

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Southwest flights from Louisville to San Antonio

Our best Southwest deals on Louisville to San Antonio flight tickets
Southwest
Jan 27
SDF8:30 amLouisville Intl
7h 00m
1 stop
SAT2:30 pmSan Antonio
Feb 2
SAT6:40 amSan Antonio
7h 20m
2 stops
SDF3:00 pmLouisville Intl
$260
Southwest
Jan 27
SDF3:35 pmLouisville Intl
6h 50m
2 stops
SAT9:25 pmSan Antonio
Feb 2
SAT12:45 pmSan Antonio
6h 15m
2 stops
SDF8:00 pmLouisville Intl
$265
Southwest
Oct 27
SDF12:50 pmLouisville Intl
6h 10m
2 stops
SAT6:00 pmSan Antonio
Oct 29
SAT4:55 pmSan Antonio
6h 20m
1 stop
SDF12:15 amLouisville Intl
$277

Delta flights from Louisville to San Antonio

Our best Delta deals on Louisville to San Antonio flight tickets
Delta
Oct 3
SDF6:00 pmLouisville Intl
6h 18m
1 stop
SAT11:18 pmSan Antonio
Oct 6
SAT6:50 amSan Antonio
5h 04m
1 stop
SDF12:54 pmLouisville Intl
$386
Delta
Oct 15
SDF7:55 pmLouisville Intl
5h 38m
1 stop
SAT12:33 amSan Antonio
Oct 18
SAT6:50 amSan Antonio
5h 04m
1 stop
SDF12:54 pmLouisville Intl
$388
Delta
Oct 16
SDF7:55 pmLouisville Intl
5h 38m
1 stop
SAT12:33 amSan Antonio
Oct 18
SAT6:50 amSan Antonio
5h 04m
1 stop
SDF12:54 pmLouisville Intl
$405

momondo Fare Finder

 
Use the filters below to find and compare flights from Louisville to San Antonio that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 10/14

6:00 pm-10:56 pm

1 stop5h 56m

San Antonio

Sat 10/17

6:05 am-2:51 pm

1 stop7h 46m

$255

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 10/14

7:27 pm-11:59 pm

1 stop5h 32m

San Antonio

Wed 10/21

6:05 am-2:51 pm

1 stop7h 46m

$255

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 1/27

5:45 pm-12:28 am

1 stop7h 43m

San Antonio

Wed 2/3

10:45 am-4:51 pm

1 stop5h 06m

$255

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 1/27

7:00 am-1:22 pm

1 stop7h 22m

San Antonio

Tue 2/2

5:30 am-1:49 pm

1 stop7h 19m

$255

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 1/27

8:30 am-2:30 pm

1 stop7h 00m

San Antonio

Tue 2/2

6:40 am-3:00 pm

2 stops7h 20m

$260

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 1/27

3:35 pm-9:25 pm

2 stops6h 50m

San Antonio

Tue 2/2

12:45 pm-8:00 pm

2 stops6h 15m

$265
Quickest round-trip

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Tue 10/27

3:45 pm-7:10 pm

1 stop4h 25m

San Antonio

Fri 10/30

2:20 pm-9:58 pm

1 stop6h 38m

$289

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Tue 11/3

9:10 am-1:16 pm

1 stop5h 06m

San Antonio

Fri 11/6

1:52 pm-10:24 pm

1 stop7h 32m

$289

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 10/3

9:11 pm-8:45 am

1 stop12h 34m

San Antonio

Wed 10/7

10:03 am-8:31 pm

2 stops9h 28m

$352

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 10/3

9:11 pm-8:45 am

1 stop12h 34m

San Antonio

Wed 10/7

10:03 am-8:31 pm

2 stops9h 28m

$360

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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?

Prices are currently low for flights on this route.

Typical prices usually range from $376 to $436.
The lowest price recently found on this route was $255.

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 December instead. Flights to San Antonio in December, while not as cheap as those in February, still average around $367.

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 $412 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 $355 on momondo.

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

As of September 2026, prices for Louisville to San Antonio flights are approximately 140% 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

Best Price Found

$128

Fastest flight time

4h 51m

Direct flights

None
The best one-way flight to San Antonio from Louisville in the past 72 hours is $128. The best round-trip flight deal from Louisville to San Antonio found on momondo in the last 72 hours is $255.
The fastest flight from Louisville to San Antonio takes 4h 51m
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 51m 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 $281Free CancellationRating
7.8
8,570 reviews
Search Delta flights
American AirlinesPriceFrom $289Free CancellationRating
7.1
12,063 reviews
Search American Airlines flights
SouthwestPriceFrom $298Free CancellationRating
8.0
4,189 reviews
Search Southwest flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
10,214 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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