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Cheap flights from Louisville to San Antonio from $151

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 am - 10:53 amSDF  Louisville Intl-SAT San Antonio
5h 53m1 stop Dallas/Fort Worth
American Airlines Logo
5:00 am - 10:22 amSAT  San Antonio-SDF Louisville Intl
4h 22m1 stop Dallas/Fort Worth
$307American Airlines
Sat, Oct 31 - Wed, Nov 4
American Airlines Logo
3:36 pm - 8:24 pmSDF  Louisville Intl-SAT San Antonio
5h 48m1 stop Charlotte Douglas
American Airlines Logo
5:43 pm - 11:27 pmSAT  San Antonio-SDF Louisville Intl
4h 44m1 stop Dallas/Fort Worth
$307American Airlines
Wed, Oct 21 - Mon, Oct 26
Southwest Logo
5:40 am - 11:15 amSDF  Louisville Intl-SAT San Antonio
6h 35m1 stop Baltimore/Washington
Southwest Logo
3:25 pm - 10:15 pmSAT  San Antonio-SDF Louisville Intl
5h 50m1 stop Orlando
$307Southwest
Wed, Dec 2 - Sat, Dec 5
Southwest Logo
5:10 pm - 10:55 pmSDF  Louisville Intl-SAT San Antonio
6h 45m1 stop Baltimore/Washington
Southwest Logo
3:00 pm - 8:35 pmSAT  San Antonio-SDF Louisville Intl
4h 35m1 stop Chicago Midway
$307Southwest
Mon, Nov 9 - Wed, Nov 11
Delta Logo
5:45 pm - 10:27 pmSDF  Louisville Intl-SAT San Antonio
5h 42m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:30 am - 11:36 amSAT  San Antonio-SDF Louisville Intl
5h 06m1 stop Atlanta Hartsfield-Jackson
$307Delta
Thu, Jan 21 - Mon, Jan 25
Delta Logo
5:57 pm - 12:33 amSDF  Louisville Intl-SAT San Antonio
7h 36m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:30 am - 12:54 pmSAT  San Antonio-SDF Louisville Intl
6h 24m1 stop Atlanta Hartsfield-Jackson
$307Delta
Wed, Oct 28 - Tue, Nov 3
United Airlines Logo
3:37 pm - 7:30 pmSDF  Louisville Intl-SAT San Antonio
4h 53m1 stop Houston George Bush Intcntl
United Airlines Logo
9:35 am - 7:30 pmSAT  San Antonio-SDF Louisville Intl
8h 55m2 stops Houston George Bush Intcntl Washington, D.C. Dulles Intl
$312United Airlines
Sat, Oct 24 - Sat, Oct 31
United Airlines Logo
9:32 am - 1:03 pmSDF  Louisville Intl-SAT San Antonio
4h 31m1 stop Houston George Bush Intcntl
United Airlines Logo
5:30 am - 2:47 pmSAT  San Antonio-SDF Louisville Intl
8h 17m2 stops Houston George Bush Intcntl Washington, D.C. Dulles Intl
$312United Airlines
Thu, Jan 21 - Tue, Jan 26
Breeze Airways Logo
9:09 pm - 5:43 pmSDF  Louisville Intl-SAT San Antonio
21h 34m3 stops Tampa Raleigh-Durham Memphis
Breeze Airways Logo
9:25 am - 8:29 pmSAT  San Antonio-SDF Louisville Intl
10h 04m2 stops Raleigh-Durham Tampa
$1,023Breeze Airways
Thu, Nov 12 - Sun, Nov 15
Breeze Airways Logo
9:09 pm - 5:43 pmSDF  Louisville Intl-SAT San Antonio
21h 34m3 stops Tampa Raleigh-Durham Memphis
Breeze Airways Logo
9:25 am - 9:45 amSAT  San Antonio-SDF Louisville Intl
23h 20m3 stops Raleigh-Durham Hartford Bradley Intl Pittsburgh
$1,038Breeze Airways
Thu, Nov 12 - Sun, Nov 15

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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
Oct 21
SDF3:36 pmLouisville Intl
5h 48m
1 stop
SAT8:24 pmSan Antonio
Oct 26
SAT5:43 pmSan Antonio
4h 44m
1 stop
SDF11:27 pmLouisville Intl
$307
American Airlines
Oct 19
SDF7:27 pmLouisville Intl
4h 30m
1 stop
SAT10:57 pmSan Antonio
Oct 26
SAT6:00 pmSan Antonio
5h 08m
1 stop
SDF12:08 amLouisville Intl
$308
American Airlines
Oct 30
SDF3:36 pmLouisville Intl
8h 20m
1 stop
SAT10:56 pmSan Antonio
Nov 4
SAT5:00 amSan Antonio
4h 22m
1 stop
SDF10:22 amLouisville Intl
$336

Southwest flights from Louisville to San Antonio

Our best Southwest deals on Louisville to San Antonio flight tickets
Southwest
Dec 12
SDF9:10 amLouisville Intl
5h 05m
1 stop
SAT1:15 pmSan Antonio
Dec 15
SAT12:50 pmSan Antonio
6h 45m
2 stops
SDF8:35 pmLouisville Intl
$312
Southwest
Nov 9
SDF5:35 pmLouisville Intl
6h 55m
2 stops
SAT11:30 pmSan Antonio
Nov 11
SAT7:25 amSan Antonio
7h 10m
2 stops
SDF3:35 pmLouisville Intl
$317
Southwest
Nov 6
SDF5:35 pmLouisville Intl
6h 55m
2 stops
SAT11:30 pmSan Antonio
Nov 9
SAT4:55 pmSan Antonio
4h 20m
1 stop
SDF10:15 pmLouisville Intl
$341

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 10/31

6:00 am-10:53 am

1 stop5h 53m

San Antonio

Wed 11/4

5:00 am-10:22 am

1 stop4h 22m

$307

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 10/21

3:36 pm-8:24 pm

1 stop5h 48m

San Antonio

Mon 10/26

5:43 pm-11:27 pm

1 stop4h 44m

$307

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 12/2

5:40 am-11:15 am

1 stop6h 35m

San Antonio

Sat 12/5

3:25 pm-10:15 pm

1 stop5h 50m

$307

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Mon 11/9

5:10 pm-10:55 pm

1 stop6h 45m

San Antonio

Wed 11/11

3:00 pm-8:35 pm

1 stop4h 35m

$307

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Thu 1/21

5:45 pm-10:27 pm

1 stop5h 42m

San Antonio

Mon 1/25

5:30 am-11:36 am

1 stop5h 06m

$307

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 10/28

5:57 pm-12:33 am

1 stop7h 36m

San Antonio

Tue 11/3

5:30 am-12:54 pm

1 stop6h 24m

$307

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 10/24

3:37 pm-7:30 pm

1 stop4h 53m

San Antonio

Sat 10/31

9:35 am-7:30 pm

2 stops8h 55m

$312

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Thu 1/21

9:32 am-1:03 pm

1 stop4h 31m

San Antonio

Tue 1/26

5:30 am-2:47 pm

2 stops8h 17m

$312

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Thu 11/12

9:09 pm-5:43 pm

3 stops21h 34m

San Antonio

Sun 11/15

9:25 am-8:29 pm

2 stops10h 04m

$1,023

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Thu 11/12

9:09 pm-5:43 pm

3 stops21h 34m

San Antonio

Sun 11/15

9:25 am-9:45 am

3 stops23h 20m

$1,038

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?

Prices are currently low for flights on this route.

Typical prices usually range from $347 to $494.
The lowest price recently found on this route was $307.

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 $411 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 $357 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

$151

Fastest flight time

4h 54m

Direct flights

None
The best one-way flight to San Antonio from Louisville in the past 72 hours is $151. The best round-trip flight deal from Louisville to San Antonio found on momondo in the last 72 hours is $307.
The fastest flight from Louisville to San Antonio takes 4h 54m
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 54m 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
8,605 reviews
Search Delta flights
American AirlinesPriceFrom $289Free CancellationRating
7.0
12,097 reviews
Search American Airlines flights
SouthwestPriceFrom $298Free CancellationRating
8.0
4,202 reviews
Search Southwest flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
10,245 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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