Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

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.
Southwest Logo
6:45 am - 10:00 amSDF  Louisville Intl-SAT San Antonio
4h 15m1 stop Nashville Intl
Southwest Logo
11:10 am - 5:25 pmSAT  San Antonio-SDF Louisville Intl
5h 15m1 stop Chicago Midway
$271Southwest
Sat, Aug 29 - Sat, Aug 29
American Airlines Logo
6:10 pm - 11:03 pmSDF  Louisville Intl-SAT San Antonio
5h 53m1 stop Charlotte Douglas
American Airlines Logo
8:43 am - 5:25 pmSAT  San Antonio-SDF Louisville Intl
7h 42m1 stop Charlotte Douglas
$307American Airlines
Thu, Nov 19 - Thu, Dec 3
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
Tue, Oct 13 - Sat, Oct 17
Delta Logo
5:59 pm - 12:31 amSDF  Louisville Intl-SAT San Antonio
7h 32m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:49 pm - 12:05 amSAT  San Antonio-SDF Louisville Intl
6h 16m1 stop Atlanta Hartsfield-Jackson
$307Delta
Thu, Nov 12 - Thu, Dec 3
United Airlines Logo
3:36 pm - 8:42 pmSDF  Louisville Intl-SAT San Antonio
6h 06m1 stop Denver Intl
United Airlines Logo
4:17 pm - 10:10 pmSAT  San Antonio-SDF Louisville Intl
4h 53m1 stop Houston George Bush Intcntl
$307United Airlines
Sat, Oct 3 - Sat, Oct 10
Southwest Logo
8:50 am - 12:55 pmSDF  Louisville Intl-SAT San Antonio
5h 05m1 stop Chicago Midway
Southwest Logo
2:20 pm - 10:20 pmSAT  San Antonio-SDF Louisville Intl
7h 00m1 stop Baltimore/Washington
$307Southwest
Thu, Nov 19 - Sat, Dec 5
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 - 12:08 amSAT  San Antonio-SDF Louisville Intl
5h 08m1 stop Charlotte Douglas
$307American Airlines
Wed, Oct 21 - Mon, Oct 26
United Airlines Logo
9:04 am - 3:53 pmSDF  Louisville Intl-SAT San Antonio
7h 49m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
4:17 pm - 10:10 pmSAT  San Antonio-SDF Louisville Intl
4h 53m1 stop Houston George Bush Intcntl
$312United Airlines
Sat, Oct 3 - Sat, Oct 10
Multiple Airlines Logo
10:56 am - 8:45 amSDF  Louisville Intl-SAT San Antonio
22h 49m1 stop Raleigh-Durham
Multiple Airlines Logo
8:20 pm - 12:56 pmSAT  San Antonio-SDF Louisville Intl
39h 36m2 stops Denver Intl Tampa
$346Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Breeze Airways Logo
9:11 pm - 8:45 amSDF  Louisville Intl-SAT San Antonio
12h 34m1 stop Raleigh-Durham
Breeze Airways Logo
12:38 pm - 8:31 pmSAT  San Antonio-SDF Louisville Intl
30h 53m2 stops Memphis Raleigh-Durham
$351Breeze Airways
Sat, Oct 10 - Fri, Oct 16

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

United Airlines flights from Louisville to San Antonio

Our best United Airlines deals on Louisville to San Antonio flight tickets
United Airlines
Sep 1
SDF7:10 amLouisville Intl
5h 42m
1 stop
SAT11:52 amSan Antonio
Sep 5
SAT12:55 pmSan Antonio
6h 41m
1 stop
SDF8:36 pmLouisville Intl
$331
United Airlines
Sep 1
SDF9:00 amLouisville Intl
7h 43m
2 stops
SAT3:43 pmSan Antonio
Sep 5
SAT7:35 amSan Antonio
4h 32m
1 stop
SDF1:07 pmLouisville Intl
$336
United Airlines
Aug 28
SDF3:25 pmLouisville Intl
6h 27m
1 stop
SAT8:52 pmSan Antonio
Aug 29
SAT7:35 amSan Antonio
4h 32m
1 stop
SDF1:07 pmLouisville Intl
$359

Southwest flights from Louisville to San Antonio

Our best Southwest deals on Louisville to San Antonio flight tickets
Southwest
Aug 29
SDF6:45 amLouisville Intl
4h 15m
1 stop
SAT10:00 amSan Antonio
Aug 29
SAT11:10 amSan Antonio
5h 15m
1 stop
SDF5:25 pmLouisville Intl
$271
Southwest
Nov 19
SDF8:50 amLouisville Intl
5h 05m
1 stop
SAT12:55 pmSan Antonio
Dec 5
SAT2:20 pmSan Antonio
7h 00m
1 stop
SDF10:20 pmLouisville Intl
$307
Southwest
Nov 19
SDF7:50 amLouisville Intl
7h 50m
1 stop
SAT2:40 pmSan Antonio
Dec 5
SAT12:40 pmSan Antonio
8h 40m
2 stops
SDF10:20 pmLouisville Intl
$312

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
Quickest round-trip

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 8/29

6:45 am-10:00 am

1 stop4h 15m

San Antonio

Sat 8/29

11:10 am-5:25 pm

1 stop5h 15m

$271

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Thu 11/19

6:10 pm-11:03 pm

1 stop5h 53m

San Antonio

Thu 12/3

8:43 am-5:25 pm

1 stop7h 42m

$307

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Tue 10/13

5:57 pm-12:33 am

1 stop7h 36m

San Antonio

Sat 10/17

5:30 am-12:54 pm

1 stop6h 24m

$307

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Thu 11/12

5:59 pm-12:31 am

1 stop7h 32m

San Antonio

Thu 12/3

4:49 pm-12:05 am

1 stop6h 16m

$307

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 10/3

3:36 pm-8:42 pm

1 stop6h 06m

San Antonio

Sat 10/10

4:17 pm-10:10 pm

1 stop4h 53m

$307

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Thu 11/19

8:50 am-12:55 pm

1 stop5h 05m

San Antonio

Sat 12/5

2:20 pm-10:20 pm

1 stop7h 00m

$307

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 10/21

6:29 am-1:26 pm

1 stop7h 57m

San Antonio

Mon 10/26

6:00 pm-12:08 am

1 stop5h 08m

$307

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 10/3

9:04 am-3:53 pm

2 stops7h 49m

San Antonio

Sat 10/10

4:17 pm-10:10 pm

1 stop4h 53m

$312

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 9/16

10:56 am-8:45 am

1 stop22h 49m

San Antonio

Wed 9/23

8:20 pm-12:56 pm

2 stops39h 36m

$346

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 10/10

9:11 pm-8:45 am

1 stop12h 34m

San Antonio

Fri 10/16

12:38 pm-8:31 pm

2 stops30h 53m

$351

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 $356 to $466.
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 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 $358 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

$136

Fastest flight time

4h 11m

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 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
8,499 reviews
Search Delta flights
United AirlinesPriceFrom $214Free CancellationRating
7.4
10,104 reviews
Search United Airlines flights
American AirlinesPriceFrom $289Free CancellationRating
7.1
11,961 reviews
Search American Airlines flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,219 reviews
Search Southwest flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Pleasanton
Kerrville
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
Fri 9/18
Fri 9/25
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States