Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Louisville to San Antonio from $156

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to San Antonio departing on 4/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from Louisville to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
6:06 pm - 11:59 pm
SDF
-
SAT
6h 53m
1 stop
Spirit Airlines Logo
6:07 am - 5:04 pm
SAT
-
SDF
9h 57m
1 stop
$294Spirit Airlines
Fri, May 8 - Mon, May 11
Spirit Airlines Logo
6:06 pm - 11:51 pm
SDF
-
SAT
6h 45m
1 stop
Spirit Airlines Logo
6:00 am - 5:04 pm
SAT
-
SDF
10h 04m
1 stop
$295Spirit Airlines
Fri, Apr 17 - Mon, Apr 20
Spirit Airlines Logo
6:06 pm - 11:51 pm
SDF
-
SAT
6h 45m
1 stop
Spirit Airlines Logo
6:00 am - 5:04 pm
SAT
-
SDF
10h 04m
1 stop
$316Spirit Airlines
Fri, Apr 17 - Sun, Apr 19
Spirit Airlines Logo
6:06 pm - 11:51 pm
SDF
-
SAT
6h 45m
1 stop
Spirit Airlines Logo
6:00 am - 5:04 pm
SAT
-
SDF
10h 04m
1 stop
$317Spirit Airlines
Thu, May 14 - Sat, May 16
American Airlines Logo
6:00 am - 12:49 pm
SDF
-
SAT
7h 49m
1 stop
American Airlines Logo
3:11 pm - 9:41 pm
SAT
-
SDF
5h 30m
1 stop
$322American Airlines
Sat, May 2 - Tue, May 5
Southwest Logo
7:05 pm - 11:30 pm
SDF
-
SAT
5h 25m
1 stop
Southwest Logo
9:00 am - 5:15 pm
SAT
-
SDF
7h 15m
1 stop
$326Southwest
Wed, Apr 1 - Mon, Apr 6
Southwest Logo
5:00 pm - 10:25 pm
SDF
-
SAT
6h 25m
2 stops
Southwest Logo
9:00 am - 5:15 pm
SAT
-
SDF
7h 15m
1 stop
$331Southwest
Wed, Apr 1 - Mon, Apr 6
Southwest Logo
10:40 am - 3:45 pm
SDF
-
SAT
6h 05m
1 stop
Southwest Logo
12:45 pm - 6:00 pm
SAT
-
SDF
4h 15m
1 stop
$335Southwest
Thu, May 14 - Tue, May 19
Southwest Logo
6:40 am - 2:50 pm
SDF
-
SAT
9h 10m
2 stops
Southwest Logo
7:25 am - 3:05 pm
SAT
-
SDF
6h 40m
2 stops
$336Southwest
Sat, May 2 - Tue, May 5
Spirit Airlines Logo
6:06 pm - 11:59 pm
SDF
-
SAT
6h 53m
1 stop
Spirit Airlines Logo
6:07 am - 5:04 pm
SAT
-
SDF
9h 57m
1 stop
$337Spirit Airlines
Thu, May 14 - Sun, May 17

Spirit Airlines flights from Louisville to San Antonio

Our best Spirit Airlines deals on Louisville to San Antonio flight tickets
Spirit Airlines
May 8
SDF6:06 pmLouisville Intl
6h 53m
1 stop
SAT11:59 pmSan Antonio
May 11
SAT6:07 amSan Antonio
9h 57m
1 stop
SDF5:04 pmLouisville Intl
$294
Spirit Airlines
Apr 17
SDF6:06 pmLouisville Intl
6h 45m
1 stop
SAT11:51 pmSan Antonio
Apr 20
SAT6:00 amSan Antonio
10h 04m
1 stop
SDF5:04 pmLouisville Intl
$295
Spirit Airlines
Apr 17
SDF6:06 pmLouisville Intl
6h 45m
1 stop
SAT11:51 pmSan Antonio
Apr 19
SAT6:00 amSan Antonio
10h 04m
1 stop
SDF5:04 pmLouisville Intl
$316

Delta flights from Louisville to San Antonio

Our best Delta deals on Louisville to San Antonio flight tickets
Delta
Apr 6
SDF3:05 pmLouisville Intl
6h 25m
1 stop
SAT8:30 pmSan Antonio
Apr 7
SAT5:30 pmSan Antonio
5h 27m
1 stop
SDF11:57 pmLouisville Intl
$391
Delta
May 13
SDF5:52 pmLouisville Intl
5h 35m
1 stop
SAT10:27 pmSan Antonio
May 17
SAT5:25 amSan Antonio
5h 38m
1 stop
SDF12:03 pmLouisville Intl
$403
Delta
Jun 15
SDF7:00 amLouisville Intl
7h 46m
1 stop
SAT1:46 pmSan Antonio
Jun 18
SAT5:30 amSan Antonio
7h 19m
1 stop
SDF1:49 pmLouisville Intl
$441

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 16, 2026.
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 - SAT

SDFSAT

Louisville Intl

Fri 5/8

6:06 pm-11:59 pm

1 stop6h 53m

San Antonio

Mon 5/11

6:07 am-5:04 pm

1 stop9h 57m

$294

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 4/17

6:06 pm-11:51 pm

1 stop6h 45m

San Antonio

Mon 4/20

6:00 am-5:04 pm

1 stop10h 04m

$295

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 4/17

6:06 pm-11:51 pm

1 stop6h 45m

San Antonio

Sun 4/19

6:00 am-5:04 pm

1 stop10h 04m

$316

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 5/14

6:06 pm-11:51 pm

1 stop6h 45m

San Antonio

Sat 5/16

6:00 am-5:04 pm

1 stop10h 04m

$317

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sat 5/2

6:00 am-12:49 pm

1 stop7h 49m

San Antonio

Tue 5/5

3:11 pm-9:41 pm

1 stop5h 30m

$322

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 4/1

7:05 pm-11:30 pm

1 stop5h 25m

San Antonio

Mon 4/6

9:00 am-5:15 pm

1 stop7h 15m

$326

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 4/1

5:00 pm-10:25 pm

2 stops6h 25m

San Antonio

Mon 4/6

9:00 am-5:15 pm

1 stop7h 15m

$331
Quickest round-trip

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 5/14

10:40 am-3:45 pm

1 stop6h 05m

San Antonio

Tue 5/19

12:45 pm-6:00 pm

1 stop4h 15m

$335

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sat 5/2

6:40 am-2:50 pm

2 stops9h 10m

San Antonio

Tue 5/5

7:25 am-3:05 pm

2 stops6h 40m

$336

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 5/14

6:06 pm-11:59 pm

1 stop6h 53m

San Antonio

Sun 5/17

6:07 am-5:04 pm

1 stop9h 57m

$337

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 cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from Louisville during February instead. Flights to San Antonio in February, while not as cheap as those in August, still average around $346.

How far in advance should I book a flight 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 $394 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 $314 on momondo.

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

As of March 2026, prices for Louisville to San Antonio flights are approximately 102% 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

Fastest flight time

5h 00m

Direct flights

None
The fastest flight from Louisville to San Antonio takes 5h 00m
There are no direct flights from Louisville to San Antonio. There are no popular flight routes from Louisville to San Antonio.
Search flight deals

  • How far is Louisville Intl to San Antonio by plane?

    A flight from Louisville Intl to San Antonio will travel around 949.7 mi. 5h 00m 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 $236Free CancellationRating
7.9
8,296 reviews
Search Delta flights
American AirlinesPriceFrom $283Free CancellationRating
7.1
11,467 reviews
Search American Airlines flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,318 reviews
Search Southwest flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
9,428 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
Boerne
Pleasanton
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
Wed 4/15
Wed 4/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States