Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Louisville to San Antonio from $149

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.
Southwest Logo
3:50 pm - 8:25 pmSDF  Louisville Intl-SAT San Antonio
5h 35m1 stop Orlando
Southwest Logo
1:00 pm - 6:35 pmSAT  San Antonio-SDF Louisville Intl
4h 35m1 stop Houston Hobby
$292Southwest
Sat, Oct 24 - Tue, Oct 27
United Airlines Logo
7:25 am - 10:45 amSDF  Louisville Intl-SAT San Antonio
4h 20m1 stop Houston George Bush Intcntl
United Airlines Logo
12:10 pm - 7:24 pmSAT  San Antonio-SDF Louisville Intl
6h 14m1 stop Washington, D.C. Dulles Intl
$297United Airlines
Wed, Sep 23 - Wed, Sep 30
American Airlines Logo
6:29 am - 1:26 pmSDF  Louisville Intl-SAT San Antonio
7h 57m1 stop Chicago O'Hare Intl
American Airlines Logo
6:00 pm - 12:07 amSAT  San Antonio-SDF Louisville Intl
5h 07m1 stop Charlotte Douglas
$297American Airlines
Wed, Oct 7 - Sat, Oct 10
American Airlines Logo
3:36 pm - 10:56 pmSDF  Louisville Intl-SAT San Antonio
8h 20m1 stop Charlotte Douglas
American Airlines Logo
6:00 pm - 12:08 amSAT  San Antonio-SDF Louisville Intl
5h 08m1 stop Charlotte Douglas
$297American Airlines
Wed, Oct 21 - Mon, Oct 26
Delta Logo
12:53 pm - 5:18 pmSDF  Louisville Intl-SAT San Antonio
5h 25m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:30 am - 1:49 pmSAT  San Antonio-SDF Louisville Intl
7h 19m1 stop Atlanta Hartsfield-Jackson
$297Delta
Sat, Feb 13 - Tue, Feb 16
Delta Logo
6:00 am - 9:54 amSDF  Louisville Intl-SAT San Antonio
4h 54m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:44 pm - 7:14 pmSAT  San Antonio-SDF Louisville Intl
4h 30m1 stop Atlanta Hartsfield-Jackson
$297Delta
Tue, Nov 10 - Tue, Nov 17
Southwest Logo
12:50 pm - 5:05 pmSDF  Louisville Intl-SAT San Antonio
5h 15m1 stop Dallas Love Field
Southwest Logo
2:40 pm - 10:55 pmSAT  San Antonio-SDF Louisville Intl
7h 15m1 stop Las Vegas Harry Reid Intl
$297Southwest
Mon, Oct 19 - Tue, Oct 20
Breeze Airways Logo
4:06 pm - 8:45 amSDF  Louisville Intl-SAT San Antonio
17h 39m1 stop Raleigh-Durham
Breeze Airways Logo
12:38 pm - 3:26 pmSAT  San Antonio-SDF Louisville Intl
25h 48m2 stops Memphis Raleigh-Durham
$331Breeze Airways
Wed, Nov 11 - Fri, Nov 13
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
$347Multiple Airlines
Wed, Oct 7 - Wed, Oct 14
United Airlines Logo
5:15 am - 12:11 pmSDF  Louisville Intl-SAT San Antonio
7h 56m1 stop Chicago O'Hare Intl
United Airlines Logo
5:30 pm - 11:59 pmSAT  San Antonio-SDF Louisville Intl
5h 29m1 stop Chicago O'Hare Intl
$377United Airlines
Wed, Sep 30 - Wed, Sep 30

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Southwest flights from Louisville to San Antonio

Our best Southwest deals on Louisville to San Antonio flight tickets
Southwest
Oct 24
SDF3:50 pmLouisville Intl
5h 35m
1 stop
SAT8:25 pmSan Antonio
Oct 27
SAT1:00 pmSan Antonio
4h 35m
1 stop
SDF6:35 pmLouisville Intl
$292
Southwest
Oct 24
SDF3:50 pmLouisville Intl
5h 35m
1 stop
SAT8:25 pmSan Antonio
Oct 27
SAT1:00 pmSan Antonio
6h 30m
2 stops
SDF8:30 pmLouisville Intl
$298
Southwest
Sep 30
SDF1:15 pmLouisville Intl
8h 20m
2 stops
SAT8:35 pmSan Antonio
Oct 1
SAT4:55 pmSan Antonio
6h 15m
1 stop
SDF12:10 amLouisville Intl
$302

United Airlines flights from Louisville to San Antonio

Our best United Airlines deals on Louisville to San Antonio flight tickets
United Airlines
Nov 10
SDF9:10 amLouisville Intl
7h 28m
1 stop
SAT3:38 pmSan Antonio
Nov 11
SAT5:30 amSan Antonio
6h 53m
1 stop
SDF1:23 pmLouisville Intl
$377
United Airlines
Oct 21
SDF10:25 amLouisville Intl
12h 06m
2 stops
SAT9:31 pmSan Antonio
Oct 26
SAT1:52 pmSan Antonio
7h 32m
1 stop
SDF10:24 pmLouisville Intl
$382
United Airlines
Nov 10
SDF7:00 amLouisville Intl
9h 38m
2 stops
SAT3:38 pmSan Antonio
Nov 11
SAT5:30 amSan Antonio
10h 32m
2 stops
SDF5:02 pmLouisville Intl
$387

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

Sat 10/24

3:50 pm-8:25 pm

1 stop5h 35m

San Antonio

Tue 10/27

1:00 pm-6:35 pm

1 stop4h 35m

$292

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 9/23

7:25 am-10:45 am

1 stop4h 20m

San Antonio

Wed 9/30

12:10 pm-7:24 pm

1 stop6h 14m

$297

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 10/7

6:29 am-1:26 pm

1 stop7h 57m

San Antonio

Sat 10/10

6:00 pm-12:07 am

1 stop5h 07m

$297

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 10/21

3:36 pm-10:56 pm

1 stop8h 20m

San Antonio

Mon 10/26

6:00 pm-12:08 am

1 stop5h 08m

$297

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 2/13

12:53 pm-5:18 pm

1 stop5h 25m

San Antonio

Tue 2/16

5:30 am-1:49 pm

1 stop7h 19m

$297
Quickest round-trip

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Tue 11/10

6:00 am-9:54 am

1 stop4h 54m

San Antonio

Tue 11/17

1:44 pm-7:14 pm

1 stop4h 30m

$297

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Mon 10/19

12:50 pm-5:05 pm

1 stop5h 15m

San Antonio

Tue 10/20

2:40 pm-10:55 pm

1 stop7h 15m

$297

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 11/11

4:06 pm-8:45 am

1 stop17h 39m

San Antonio

Fri 11/13

12:38 pm-3:26 pm

2 stops25h 48m

$331

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 10/7

9:11 pm-8:45 am

1 stop12h 34m

San Antonio

Wed 10/14

10:03 am-8:31 pm

2 stops9h 28m

$347

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 9/30

5:15 am-12:11 pm

1 stop7h 56m

San Antonio

Wed 9/30

5:30 pm-11:59 pm

1 stop5h 29m

$377

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $386 to $610.
The lowest price recently found on this route was $292.

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 $416 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 August 2026, prices for Louisville to San Antonio flights are approximately 72% 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

$149

Fastest flight time

4h 11m

Direct flights

None
The best one-way flight to San Antonio from Louisville in the past 72 hours is $149. The best round-trip flight deal from Louisville to San Antonio found on momondo in the last 72 hours is $292.
The fastest flight from Louisville to San Antonio takes 4h 11m
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 11m 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
8,532 reviews
Search Delta flights
American AirlinesPriceFrom $289Free CancellationRating
7.1
12,003 reviews
Search American Airlines flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,204 reviews
Search Southwest flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
10,129 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.

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 9/26
Sat 10/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States