SDF - SAT

$136 Find Cheap Flights from Louisville to San Antonio - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Louisville to San Antonio departing on 8/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$271
Typical prices: $361-$426
United Airlines
Mon 8/24Thu 8/27
SDF - SAT • 1 stop
Cheapest one-way
$136
Overall average: $198
United Airlines
Sat 8/29
SDF - SAT • 1 stop
Top airlines
Cheapest • from $271 (round-trip)
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Louisville and San Antonio. You'll need at least 1 connection.
Insights
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Top layover airports
Cheapest • Avg $361 (round-trip)
Shortest trip • 4h 35m (one-way)
Insights
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When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 73% compared to booking last minute.
Insights
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Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
Good to know
+1
+1
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Good to know
+1
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We hope you love your trip to San Antonio!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Louisville to San Antonio (SDF-SAT)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Louisville to San Antonio that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Louisville to San Antonio

Mon, Aug 24 - Thu, Aug 27
United Airlines Logo
3:35 pm - 7:58 pm
SDF
-
SAT
5h 23m
1 stop
United Airlines Logo
4:12 pm - 10:15 pm
SAT
-
SDF
5h 03m
1 stop
$271United Airlines
Mon, Aug 24 - Thu, Aug 27
United Airlines Logo
5:45 pm - 10:50 pm
SDF
-
SAT
6h 05m
1 stop
United Airlines Logo
5:30 am - 1:07 pm
SAT
-
SDF
6h 37m
1 stop
$271United Airlines
Wed, Aug 19 - Wed, Sep 2
Southwest Logo
12:10 pm - 5:25 pm
SDF
-
SAT
6h 15m
1 stop
Southwest Logo
11:30 am - 4:20 pm
SAT
-
SDF
3h 50m
1 stop
$271Southwest
Thu, Oct 22 - Mon, Oct 26
American Airlines Logo
7:27 pm - 12:11 am
SDF
-
SAT
5h 44m
1 stop
American Airlines Logo
5:43 pm - 11:31 pm
SAT
-
SDF
4h 48m
1 stop
$271American Airlines
Wed, Oct 21 - Mon, Oct 26
American Airlines Logo
7:27 pm - 12:11 am
SDF
-
SAT
5h 44m
1 stop
American Airlines Logo
5:43 pm - 11:31 pm
SAT
-
SDF
4h 48m
1 stop
$271American Airlines
Thu, Sep 3 - Tue, Sep 8
Delta Logo
6:00 am - 9:48 am
SDF
-
SAT
4h 48m
1 stop
Delta Logo
1:55 pm - 9:59 pm
SAT
-
SDF
7h 04m
1 stop
$271Delta
Thu, Aug 27 - Sat, Aug 29
Delta Logo
1:17 pm - 6:46 pm
SDF
-
SAT
6h 29m
1 stop
Delta Logo
6:25 am - 12:36 pm
SAT
-
SDF
5h 11m
1 stop
$271Delta
Wed, Aug 19 - Wed, Sep 2
Southwest Logo
6:45 pm - 11:10 pm
SDF
-
SAT
5h 25m
1 stop
Southwest Logo
7:35 am - 4:20 pm
SAT
-
SDF
7h 45m
2 stops
$276Southwest
Sat, Aug 15 - Wed, Aug 19
Breeze Airways Logo
8:46 pm - 9:15 am
SDF
-
SAT
13h 29m
1 stop
Breeze Airways Logo
4:53 pm - 10:32 am
SAT
-
SDF
16h 39m
2 stops
$300Breeze Airways
Sat, Aug 15 - Thu, Aug 20
Multiple Airlines Logo
8:46 pm - 9:15 am
SDF
-
SAT
13h 29m
1 stop
Multiple Airlines Logo
8:26 pm - 2:58 pm
SAT
-
SDF
17h 32m
2 stops
$379Multiple Airlines
Booking Insights

KAYAK's insights & trends for Louisville to San Antonio flights

Get data-powered insights and trends into flights from Louisville to San Antonio to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Louisville to San Antonio?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Louisville to San Antonio departing in September.

Flight prices are below average for this route right now.

Flights to San Antonio from Louisville usually cost between $361 and $426 in September.
The lowest price found in the past 5 days was $271 on Delta (Sep 3-Sep 8).

What is the cheapest month to fly from Louisville to San Antonio?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Louisville to San Antonio, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Louisville to San Antonio is February, where tickets cost $346 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is $667 and $443 respectively.

How far in advance should I book a flight from Louisville to San Antonio?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Louisville to San Antonio, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Louisville to San Antonio, you should book around 4 weeks before departure, which saves you about 73% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

Good to know

Low season

July

Cheapest flight

$136
Best time to beat the crowds but there is an average 6% increase in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Louisville to San Antonio

When to book flights from Louisville to San Antonio

Are your dates flexible? Find out the best times to travel from Louisville to San Antonio based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Louisville to San Antonio

  • What is the cheapest flight from Louisville to San Antonio?

    In the last 5 days, the lowest price for a flight from Louisville to San Antonio was $136 for a one-way ticket and $271 for a round-trip.

  • Do I need a passport to fly between Louisville and San Antonio?

    No

  • Which airports will I be using when flying from Louisville to San Antonio?

    Louisville airport is called Louisville Intl and the only airport in San Antonio is San Antonio.

  • Which aircraft models fly most regularly from Louisville to San Antonio?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Louisville to San Antonio?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Louisville and San Antonio, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Louisville to San Antonio, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from Louisville to San Antonio are Southwest and Delta. With an average price for the route of $389 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $382 and an overall rating of 7.8.

  • How does KAYAK find such low prices on flights from Louisville to San Antonio?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Louisville to San Antonio.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Louisville to San Antonio?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Antonio from Louisville is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Louisville to San Antonio?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Antonio with an airline and back to Louisville with another airline. Booking your flights between Louisville and SAT can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Louisville to San Antonio?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Antonio from Louisville up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 4 airlines serving from Louisville to San Antonio

 
See real verified KAYAK customer reviews for airlines flying from Louisville to San Antonio. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Louisville to San Antonio? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4229 reviews
7.5Entertainment
7.0Food
8.6Crew
8.1Boarding
8.0Comfort
Airline reviews

Great job Southwest! My family doesn't fly often but we felt safe the whole time.

10.0 ExcellentK, Jun 2026
SAN - AUS
Read more Southwest reviews

Great job Southwest! My family doesn't fly often but we felt safe the whole time.

SW can't get their wifi right. I upgrade to insure wifi service but the last two trips had intermittent service. Not worth the extra costs.

One major problem that was very unprofessional and uncalled for. Plane landed and we had to wait 20 minutes to get off the plane since they were waiting for someone to come to the gate to drive the jetway. Southwest couldn't have someone available and waiting for the plane to land? Is there only one person in Hobby airport who knows to drive the jetway? Was he at lunch? In the bar? Uncomfortable and uncalled for!

Southwest is kind of a slum airline. It’s gotten more expensive over the years for less and less service. I am a Southwest Chase Visa card holder and was forced to choose a seat in the 26th row in the middle seat. However my wife who is a rewards member but doesn’t hold a card or anything else, gets randomly assigned a normally paid seat in row 6! How does that work?

The seat was not comfortable. 1D. My back was sore all night and the next day.

One of the best airlines for fast boarding, on time arrivals, and top notch service!

I elected to pay for the upgrades and found very little difference

The new seating arrangement is so over priced for what you get.

Flight was hours late, unable to sit next to spouse, I have had so much better experiences. Substantially better, only saving grace was that it was a short flight.

It was good. I wish you had gluten free snacks for my husband.

Long story short, it was one of the better flight experiences I've had in some time when compared with other airlines.

Smaller plane for a longer flight than my first one. Doesn’t make sense.

Another late night flight and MORE men belligerently drinking and yelling. I had to move from first to economy because they were so obnoxious and disruptive. Crazy to go from a cozy chair to cardboard when you were supposed to be in first. Delta allows was too much drinking which leads to belligerent behavior.

The staff was fine. The plane was extremely tight, and I paid for the wifi and it did not work at all. I was actually going to ask for a refund.

Delta flights recently are always delayed AND at jfk tney get the gates further away (need To walk 20’ to get to them/all the way at the end of the terminal). Not sure whats happening but price doesnt match experience!

Only freetext wifi was available in flight; browsing WiFi required payment. Since the seats had no in flight entertainment, Delta should revisit this policy on this longer flight.

Lounge in Lagos is terrible, food on board from Lagos to Atlanta was horrible. Only bright spot the cabin crew were awesome.

Left on time and arrived early this extending our 31 minute transfer. Bags made it also!

The crew was very polite as I have a few handicaps and everything was made pleasant. Check-in was easy as I was brought on board by the wheelchair assistant. One flight attendant did make sure my personal item was carefully stored under the seat in front of me. I was made to feel welcome as a customer as I made my first trip with a few disabilities. Entertainment and wifi worked quite well. The only food service were snacks and drinks. Those were okay. Overall it was a very smooth flight and encouraged me to use Delta again.

Our flight was delayed in Atlanta. The staff could have gave us an explanation for the delay and how long it would be.

Flight staff and all was fine. Food always sucks on planes so nothing new.

Wonderful flight! The crew was good, check-in was good and orderly and the flight was uneventful and good.

The international portion was good. Food and beverage options were good. The sustainable wooden eatery was less than desirable. Your Star Alliance partner ANA provided real silverware. I'm 6'3" & 198 lbs and felt cramped in the exit row. How can that be? Flight attendant all had a pleasant disposition which is always good.

Boarded from a very small gate at LAX. Staff at gate had us line up, then waited 25 minutes to board without a word of explanation. Plane arrived on time then waited 20 minutes for a plane to vacate our gate. Majority of bags arrived after 15 minutes but it took an hour for a small number of remaining bags to be off-loaded despite my “priority” bag tag.

The boarding process on the departure from LA was rather slow even though I was in Group 1. For first class, I was not expecting to have to pay for Wi-fi but I did and then the wi-fi was spotty. The entree was surprisingly good and so that was a pleasant surprise. However, once I got to Houston, it was terrible. Unfortunately there was bad weather but the constant gate changes for my connecting flight was difficult to manage due to having to navigate back and forth between different terminals.

This planes staff was top tier. Everything went great and had a great flight home.

The pilot had to extend the flight time from san antonio to Houston to burn off fuel. This caused a lot of unnecessary stress since we had a tight connection to Aruba. And with no other flights going to Aruba we were worried about spending a night in Houston. We had to to run to our connection because of the flight crews mistake. Not happy.

No access to the Wi-Fi, noisy group of people made it difficult for me to hear through my earbuds. Snacks and drinks - limited service when your seat is at the back of the plane - people up front are always served first and the back gets whatever is left. Not pleased.

Didn't make it dir to delays - no support from United staff

My seat was broken. WiFi didn’t work. Gate crew at HOU were rude and condescending. Treated all the passengers badly. Bad experience, United.

Better perks for corporate employees whom travel often and spend a lot of money with the airlines. Snacks were terrible chips crackers are ideas. Flight and crew were great comfort was fine entertainment not so great so so called status members means nothing

Flight had mechanical issues and it was delayed 30 mins - some of us boarded and then had to deplane.

The gate experience at LAX was abysmal (same for the arrival experience two days prior). Despite the LAX -> SAT schedule of two flights daily, our departure gate was at a smaller hub that we had to be bussed to from Terminal 4. Fortunately, I arrived at LAX extra early and had time to spare, but if I had not known, I might have missed my flight. I looked at the LAX airport map in the AA app and there was no indication of the additional boarding process. Lastly the gate area we were bussed to was crowded with limited food and beverage options. On flight, the fight attendant was hospitable and attentive, the flight was smooth, and AA's free (and working) wifi for AA members were all on the positive side.

Got home at 3am after deboarding the plane. No compensation offered by American

Better snacks but flight and crew were amazing on this flight

The AA app really sucks ... Every flight & connecting flights were delayed over 30 mins. One connecting flight on American Eagle said it was delayed in its arrival ... when it was actually parked across from the gate for over 1 hr before they pulled it to the gate. Seats in the economy/ main cabin are packed together like sardines ... no leg room.

To start, I’d like to say that every American Airline personnel I interacted with on the ground, especially flight crew, was very friendly and did their best to help me out. Despite this, however, my experience with the airline was an entire mess. The 7:19 PM flight was heavily delayed due to weather, and pushed to 10:30 AM the next morning. Because of this, I had to spend the night inside of the airport. At some point later in the night, I got an email saying that the flight had been canceled. I called the support number, and the representative on the other line told me that the flight was still on and that I didn’t need to rebook. The next morning, no one came to the gate to open the door for the crew until almost 11 AM. By this time the flight crew had been waiting for over an hour, and they had called management to get someone to open the door for them multiple times. Around 11:30, the gate screen had changed to a different flight. I ended up buying a last minute ticket with Southwest airline just to get to Chicago, because the next flight with American wasn’t until 7:19 pm that day. Now, earlier that morning my suitcase had been sent ahead of me to ORD. I went to baggage claim to ask them if I could have my suitcase forwarded to where I was staying. The representative at SDF baggage claim said they could and put the claim in for me. As I was going back through TSA, I got an email that the airline had found my suitcase, but the next step was to send it BACK to SDF. I called the airline support number again, and I made it clear that my suitcase needed to stay in Chicago and to not come back to SDF. The representative told me that they would hold my suitcase at ORD and that it wasn’t going to be forwarded anywhere. Once I got there, I found that they had loaded my suitcase onto a plane to send it back to SDF. Thankfully, I had gotten to the baggage claim counter in time for them to put in a request to bring my suitcase back up. My refund with the airline is processing already, but because of this entire experience and miscommunication at every turn of the way, I will not book with American Airlines in the future.

Cabin was roomy enough to easily slide my carry on under the seat in front of me!

Awkward carry on process. Forced to check all carry on. No overhead space of worthiness. Left delayed, but made up the time. Crew was amicable.

They needed to de-ice the plane. Apparently airlines have a problem keeping their de-icing vehicles in good repair. After we backed away from the gate we sat and didn't move for nearly an hour. Nearly an HOUR with minimal communication from the flight crew. Eventually the sun took care of what American Airlines could not and melted the minimal ice. We finally took of a hour late which, in turn, jacked up our connection in Chicago.

Everything you need to know for your flight from Louisville to San Antonio

Information on your arrival and departure airports