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Cheap flights from San Antonio to Louisville from $131

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Louisville departing on 3/18. 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

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Find the cheapest flights from San Antonio to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:22 am - 2:33 pm
SAT
-
SDF
27h 11m
1 stop
Multiple Airlines Logo
9:13 pm - 9:27 am
SDF
-
SAT
13h 14m
1 stop
$226Multiple Airlines
Wed, Mar 18 - Mon, Mar 23
Multiple Airlines Logo
1:22 pm - 2:33 pm
SAT
-
SDF
24h 11m
2 stops
Multiple Airlines Logo
9:13 pm - 9:27 am
SDF
-
SAT
13h 14m
1 stop
$265Multiple Airlines
Wed, Mar 18 - Mon, Mar 23
Multiple Airlines Logo
6:00 am - 9:03 am
SAT
-
SDF
26h 03m
1 stop
Multiple Airlines Logo
12:36 pm - 10:18 pm
SDF
-
SAT
10h 42m
1 stop
$278Multiple Airlines
Wed, May 13 - Mon, May 18
Spirit Airlines Logo
1:22 pm - 11:14 am
SAT
-
SDF
20h 52m
1 stop
Spirit Airlines Logo
3:33 pm - 9:27 am
SDF
-
SAT
18h 54m
1 stop
$281Spirit Airlines
Tue, Mar 17 - Sun, Mar 22
Southwest Logo
5:25 pm - 10:40 pm
SAT
-
SDF
4h 15m
1 stop
Southwest Logo
8:05 pm - 12:50 am
SDF
-
SAT
5h 45m
1 stop
$299Southwest
Mon, Mar 16 - Fri, Mar 20
Southwest Logo
5:25 pm - 10:40 pm
SAT
-
SDF
4h 15m
1 stop
Southwest Logo
3:30 pm - 10:25 pm
SDF
-
SAT
7h 55m
2 stops
$304Southwest
Fri, Mar 13 - Wed, Mar 18
Southwest Logo
7:05 am - 3:10 pm
SAT
-
SDF
7h 05m
2 stops
Southwest Logo
8:35 am - 3:40 pm
SDF
-
SAT
8h 05m
2 stops
$309Southwest
Wed, Mar 18 - Mon, Mar 23
United Airlines Logo
5:30 pm - 11:46 pm
SAT
-
SDF
5h 16m
1 stop
United Airlines Logo
7:20 am - 12:24 pm
SDF
-
SAT
6h 04m
1 stop
$312United Airlines
Wed, Apr 22 - Sat, Apr 25
United Airlines Logo
4:17 pm - 9:59 pm
SAT
-
SDF
4h 42m
1 stop
United Airlines Logo
10:00 am - 5:43 pm
SDF
-
SAT
8h 43m
2 stops
$317United Airlines
Wed, Apr 22 - Sat, Apr 25
Southwest Logo
3:05 pm - 12:45 am
SAT
-
SDF
8h 40m
2 stops
Southwest Logo
8:05 pm - 12:50 am
SDF
-
SAT
5h 45m
1 stop
$321Southwest
Mon, Mar 16 - Fri, Mar 20

United Airlines flights from San Antonio to Louisville

Our best United Airlines deals on San Antonio to Louisville flight tickets
United Airlines
Apr 22
SAT5:30 pmSan Antonio
5h 16m
1 stop
SDF11:46 pmLouisville Intl
Apr 25
SDF7:20 amLouisville Intl
6h 04m
1 stop
SAT12:24 pmSan Antonio
$312
United Airlines
Apr 22
SAT4:17 pmSan Antonio
4h 42m
1 stop
SDF9:59 pmLouisville Intl
Apr 25
SDF10:00 amLouisville Intl
8h 43m
2 stops
SAT5:43 pmSan Antonio
$317
United Airlines
Apr 23
SAT5:30 pmSan Antonio
5h 16m
1 stop
SDF11:46 pmLouisville Intl
Apr 25
SDF6:00 amLouisville Intl
10h 11m
1 stop
SAT3:11 pmSan Antonio
$325

Southwest flights from San Antonio to Louisville

Our best Southwest deals on San Antonio to Louisville flight tickets
Southwest
Mar 13
SAT5:25 pmSan Antonio
4h 15m
1 stop
SDF10:40 pmLouisville Intl
Mar 18
SDF3:30 pmLouisville Intl
7h 55m
2 stops
SAT10:25 pmSan Antonio
$304
Southwest
Mar 18
SAT7:05 amSan Antonio
7h 05m
2 stops
SDF3:10 pmLouisville Intl
Mar 23
SDF8:35 amLouisville Intl
8h 05m
2 stops
SAT3:40 pmSan Antonio
$309
Southwest
Mar 16
SAT3:05 pmSan Antonio
8h 40m
2 stops
SDF12:45 amLouisville Intl
Mar 20
SDF8:05 pmLouisville Intl
5h 45m
1 stop
SAT12:50 amSan Antonio
$321

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Louisville 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 February 11, 2026.
Use the filters below to find and compare flights from San Antonio to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Wed 3/18

10:22 am-2:33 pm

1 stop27h 11m

Louisville Intl

Mon 3/23

9:13 pm-9:27 am

1 stop13h 14m

$226

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Wed 3/18

1:22 pm-2:33 pm

2 stops24h 11m

Louisville Intl

Mon 3/23

9:13 pm-9:27 am

1 stop13h 14m

$265

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Wed 5/13

6:00 am-9:03 am

1 stop26h 03m

Louisville Intl

Mon 5/18

12:36 pm-10:18 pm

1 stop10h 42m

$278

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Tue 3/17

1:22 pm-11:14 am

1 stop20h 52m

Louisville Intl

Sun 3/22

3:33 pm-9:27 am

1 stop18h 54m

$281

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Mon 3/16

5:25 pm-10:40 pm

1 stop4h 15m

Louisville Intl

Fri 3/20

8:05 pm-12:50 am

1 stop5h 45m

$299

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Fri 3/13

5:25 pm-10:40 pm

1 stop4h 15m

Louisville Intl

Wed 3/18

3:30 pm-10:25 pm

2 stops7h 55m

$304

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Wed 3/18

7:05 am-3:10 pm

2 stops7h 05m

Louisville Intl

Mon 3/23

8:35 am-3:40 pm

2 stops8h 05m

$309

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Wed 4/22

5:30 pm-11:46 pm

1 stop5h 16m

Louisville Intl

Sat 4/25

7:20 am-12:24 pm

1 stop6h 04m

$312

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Wed 4/22

4:17 pm-9:59 pm

1 stop4h 42m

Louisville Intl

Sat 4/25

10:00 am-5:43 pm

2 stops8h 43m

$317

San AntonioLouisville

SAT - SDF

SATSDF

San Antonio

Mon 3/16

3:05 pm-12:45 am

2 stops8h 40m

Louisville Intl

Fri 3/20

8:05 pm-12:50 am

1 stop5h 45m

$321

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 Louisville from

How to get the cheapest flight ticket from San Antonio to Louisville

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 Louisville?

If you are unable to visit Louisville during the month of August, then departing from San Antonio during the month February is also very affordable. Most momondo users find prices during this month for around $343.

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

As of February 2026, prices for San Antonio to Louisville flights are approximately 103% more expensive when compared to flights at the same time last year.

When to book flights from San Antonio to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Louisville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Antonio to Louisville (SAT to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Louisville

Fastest flight time

4h 40m

Direct flights

None
The fastest flight from San Antonio to Louisville takes 4h 40m
There are no direct flights from San Antonio to Louisville. There are no popular flight routes from San Antonio to Louisville.
Search flight deals

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

    A flight from San Antonio to Louisville Intl will travel around 949.7 mi. Flights usually cover this in 4h 40m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Antonio Airport to Louisville Intl Airport?

    Prices for flights from San Antonio Airport to Louisville Intl Airport were last updated today.

  • How many operators does momondo search for flights from San Antonio Airport to Louisville Intl Airport?

  • How old do you have to be to fly from San Antonio Airport to Louisville Intl 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 San Antonio Airport to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The required travel and health documents for your Louisville Intl 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 Louisville Intl 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 San Antonio to Louisville?

Best airlines flying from San Antonio to Louisville

Compare and see reviews for airlines that fly from San Antonio to Louisville with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $123Free CancellationRating
7.9
8,180 reviews
Search Delta flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,279 reviews
Search United Airlines flights
SouthwestPriceFrom $270Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
American AirlinesPriceFrom $277Free CancellationRating
7.2
11,271 reviews
Search American Airlines flights

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
West Baden Springs
Bardstown
Jeffersonville
Shepherdsville
New Albany
Corydon
Elizabeth
Brandenburg
Charlestown
Springfield
Georgetown

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Louisville?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Louisville from San Antonio.

Can I find flights from San Antonio to Louisville with flexible booking policies on momondo?

Yes. All flights to Louisville from San Antonio on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Antonio to Louisville?

Once you have performed a search for San Antonio to Louisville flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Antonio to Louisville right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Antonio to Louisville 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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