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Cheap flights from Louisville to San Antonio from $136

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
4:10 pm - 10:57 pmSDF  Louisville Intl-SAT San Antonio
7h 47m1 stop Dallas/Fort Worth
American Airlines Logo
4:34 pm - 11:55 pmSAT  San Antonio-SDF Louisville Intl
6h 21m1 stop Dallas/Fort Worth
$271American Airlines
Mon, Dec 7 - Sat, Dec 12
American Airlines Logo
6:11 pm - 11:03 pmSDF  Louisville Intl-SAT San Antonio
5h 52m1 stop Charlotte Douglas
American Airlines Logo
6:00 am - 12:34 pmSAT  San Antonio-SDF Louisville Intl
5h 34m1 stop Dallas/Fort Worth
$271American Airlines
Thu, Nov 19 - Sat, Dec 5
Delta Logo
7:59 pm - 12:33 amSDF  Louisville Intl-SAT San Antonio
5h 34m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:38 am - 2:16 pmSAT  San Antonio-SDF Louisville Intl
5h 38m1 stop Atlanta Hartsfield-Jackson
$271Delta
Thu, Nov 19 - Sat, Dec 5
Delta Logo
1:04 pm - 7:59 pmSDF  Louisville Intl-SAT San Antonio
7h 55m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:36 pm - 12:09 amSAT  San Antonio-SDF Louisville Intl
6h 33m1 stop Atlanta Hartsfield-Jackson
$271Delta
Wed, Dec 9 - Thu, Dec 10
Southwest Logo
7:15 pm - 1:25 amSDF  Louisville Intl-SAT San Antonio
7h 10m1 stop Nashville Intl
Southwest Logo
6:45 am - 11:45 amSAT  San Antonio-SDF Louisville Intl
4h 00m1 stop Nashville Intl
$289Southwest
Tue, Nov 24 - Thu, Nov 26
Southwest Logo
7:35 pm - 11:45 pmSDF  Louisville Intl-SAT San Antonio
5h 10m1 stop Chicago Midway
Southwest Logo
1:30 pm - 11:45 pmSAT  San Antonio-SDF Louisville Intl
9h 15m1 stop Phoenix Sky Harbor Intl
$291Southwest
Tue, Dec 8 - Fri, Dec 11
United Airlines Logo
7:05 am - 10:51 amSDF  Louisville Intl-SAT San Antonio
4h 46m1 stop Houston George Bush Intcntl
United Airlines Logo
5:15 am - 1:36 pmSAT  San Antonio-SDF Louisville Intl
7h 21m1 stop Houston George Bush Intcntl
$299United Airlines
Wed, Dec 16 - Wed, Jan 6
United Airlines Logo
7:05 am - 10:51 amSDF  Louisville Intl-SAT San Antonio
4h 46m1 stop Houston George Bush Intcntl
United Airlines Logo
2:00 pm - 8:29 pmSAT  San Antonio-SDF Louisville Intl
5h 29m1 stop Chicago O'Hare Intl
$299United Airlines
Wed, Dec 16 - Wed, Jan 6
Multiple Airlines Logo
4:06 pm - 8:45 amSDF  Louisville Intl-SAT San Antonio
17h 39m1 stop Raleigh-Durham
Multiple Airlines Logo
8:20 pm - 10:59 amSAT  San Antonio-SDF Louisville Intl
37h 39m2 stops Denver Intl New Orleans Louis Armstrong
$374Multiple Airlines
Sat, Nov 14 - Wed, Nov 18
Multiple Airlines Logo
5:12 pm - 8:45 amSDF  Louisville Intl-SAT San Antonio
16h 33m1 stop Raleigh-Durham
Multiple Airlines Logo
8:24 pm - 3:14 pmSAT  San Antonio-SDF Louisville Intl
41h 50m2 stops Denver Intl Orlando
$378Multiple Airlines
Wed, Dec 16 - Tue, Jan 5

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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
Dec 6
SDF6:54 pmLouisville Intl
6h 13m
1 stop
SAT12:07 amSan Antonio
Dec 12
SAT5:00 amSan Antonio
6h 34m
1 stop
SDF12:34 pmLouisville Intl
$319
American Airlines
Jan 16
SDF9:04 amLouisville Intl
7h 32m
1 stop
SAT3:36 pmSan Antonio
Jan 19
SAT1:18 pmSan Antonio
5h 11m
1 stop
SDF7:29 pmLouisville Intl
$327
American Airlines
Jan 22
SDF9:04 amLouisville Intl
6h 46m
1 stop
SAT2:50 pmSan Antonio
Jan 24
SAT4:27 pmSan Antonio
5h 45m
1 stop
SDF11:12 pmLouisville Intl
$369

United Airlines flights from Louisville to San Antonio

Our best United Airlines deals on Louisville to San Antonio flight tickets
United Airlines
Dec 16
SDF7:05 amLouisville Intl
4h 46m
1 stop
SAT10:51 amSan Antonio
Jan 6
SAT5:15 amSan Antonio
7h 21m
1 stop
SDF1:36 pmLouisville Intl
$299
United Airlines
Nov 26
SDF3:45 pmLouisville Intl
4h 25m
1 stop
SAT7:10 pmSan Antonio
Nov 30
SAT4:19 pmSan Antonio
4h 39m
1 stop
SDF9:58 pmLouisville Intl
$354
United Airlines
Nov 26
SDF5:10 amLouisville Intl
9h 06m
2 stops
SAT1:16 pmSan Antonio
Nov 30
SAT4:19 pmSan Antonio
4h 39m
1 stop
SDF9:58 pmLouisville Intl
$359

momondo Fare Finder

 
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 Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Mon 12/7

4:10 pm-10:57 pm

1 stop7h 47m

San Antonio

Sat 12/12

4:34 pm-11:55 pm

1 stop6h 21m

$271

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Thu 11/19

6:11 pm-11:03 pm

1 stop5h 52m

San Antonio

Sat 12/5

6:00 am-12:34 pm

1 stop5h 34m

$271

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Thu 11/19

7:59 pm-12:33 am

1 stop5h 34m

San Antonio

Sat 12/5

7:38 am-2:16 pm

1 stop5h 38m

$271

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 12/9

1:04 pm-7:59 pm

1 stop7h 55m

San Antonio

Thu 12/10

4:36 pm-12:09 am

1 stop6h 33m

$271

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Tue 11/24

7:15 pm-1:25 am

1 stop7h 10m

San Antonio

Thu 11/26

6:45 am-11:45 am

1 stop4h 00m

$289

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Tue 12/8

7:35 pm-11:45 pm

1 stop5h 10m

San Antonio

Fri 12/11

1:30 pm-11:45 pm

1 stop9h 15m

$291

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 12/16

7:05 am-10:51 am

1 stop4h 46m

San Antonio

Wed 1/6

5:15 am-1:36 pm

1 stop7h 21m

$299
Quickest round-trip

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 12/16

7:05 am-10:51 am

1 stop4h 46m

San Antonio

Wed 1/6

2:00 pm-8:29 pm

1 stop5h 29m

$299

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 11/14

4:06 pm-8:45 am

1 stop17h 39m

San Antonio

Wed 11/18

8:20 pm-10:59 am

2 stops37h 39m

$374

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 12/16

5:12 pm-8:45 am

1 stop16h 33m

San Antonio

Tue 1/5

8:24 pm-3:14 pm

2 stops41h 50m

$378

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 $356 to $451.
The lowest price recently found on this route was $271.

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of December, then book flights to San Antonio from Louisville during February instead. Flights to San Antonio in February, while not as cheap as those in December, 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 $413 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 $345 on momondo.

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

As of October 2026, prices for Louisville to San Antonio flights are approximately 38% 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

$136

Fastest flight time

4h 25m

Direct flights

None
The best one-way flight to San Antonio from Louisville in the past 72 hours is $136. The best round-trip flight deal from Louisville to San Antonio found on momondo in the last 72 hours is $271.
The fastest flight from Louisville to San Antonio takes 4h 25m
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 25m 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
American AirlinesPriceFrom $254Free CancellationRating
7.0
12,210 reviews
Search American Airlines flights
DeltaPriceFrom $288Free CancellationRating
7.8
8,692 reviews
Search Delta flights
SouthwestPriceFrom $298Free CancellationRating
7.9
4,217 reviews
Search Southwest flights
United AirlinesPriceFrom $319Free CancellationRating
7.3
10,451 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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