$154+ Cheap flights from San Antonio to Louisville (SAT - SDF)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SDF
May 7 — May 141
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to Louisville with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Antonio to Louisville
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Cheapest flights from San Antonio to LouisvilleExplore the most affordable flight options available from San Antonio to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 7, 2026.
Explore the most affordable flight options available from San Antonio to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 7, 2026.
This Priceline deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:00 am
SAT
- SDF
1 stop10h 04m
Spirit Airlines
Fri 4/246:06 pm
SDF
- SAT
1 stop6h 45m
Spirit Airlines
Deal found 4/4![Spirit Airlines logo]()
$289
This CheapOair deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
SAT
- SDF
1 stop26h 28m
Spirit Airlines
Sun 5/1010:33 am
SDF
- SAT
1 stop6h 43m
Spirit Airlines
Deal found 4/5![Spirit Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
SAT
- SDF
1 stop26h 28m
Multiple Airlines
Sun 5/109:14 pm
SDF
- SAT
2 stops46h 45m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$311
This CheapOair deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:26 pm
SAT
- SDF
1 stop15h 02m
Spirit Airlines
Mon 5/1110:33 am
SDF
- SAT
1 stop6h 43m
Spirit Airlines
Deal found 4/2![Spirit Airlines logo]()
$325
This CheapOair deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:26 pm
SAT
- SDF
1 stop15h 02m
Spirit Airlines
Sun 5/1010:33 am
SDF
- SAT
1 stop6h 43m
Spirit Airlines
Deal found 4/5![Spirit Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:00 am
SAT
- SDF
1 stop10h 04m
Multiple Airlines
Fri 4/247:48 pm
SDF
- SAT
2 stops18h 29m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$341
This Cheapflightsfares deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 am
SAT
- SDF
1 stop10h 04m
Spirit Airlines
Sun 4/266:06 pm
SDF
- SAT
1 stop6h 45m
Spirit Airlines
Deal found 4/6![Spirit Airlines logo]()
$346
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:55 am
SAT
- SDF
1 stop6h 00m
Southwest
Sat 5/304:50 pm
SDF
- SAT
1 stop5h 15m
Southwest
Deal found 4/5![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2612:45 pm
SAT
- SDF
1 stop4h 15m
Southwest
Sun 6/75:25 am
SDF
- SAT
1 stop6h 20m
Southwest
Deal found 4/2![Southwest logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am
SAT
- SDF
1 stop26h 49m
Multiple Airlines
Mon 8/2410:39 am
SDF
- SAT
1 stop14h 10m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$359
Best flights from San Antonio to LouisvilleDiscover carefully curated flight deals from San Antonio to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 7, 2026.
Discover carefully curated flight deals from San Antonio to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 7, 2026.
This CheapOair deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:26 pm
SAT
- SDF
1 stop15h 02m
Spirit Airlines
Mon 5/1110:33 am
SDF
- SAT
1 stop6h 43m
Spirit Airlines
Deal found 4/2![Spirit Airlines logo]()
$325
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2612:45 pm
SAT
- SDF
1 stop4h 15m
Southwest
Sun 6/75:25 am
SDF
- SAT
1 stop6h 20m
Southwest
Deal found 4/2![Southwest logo]()
$357
This Delta deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:11 pm
SAT
- SDF
1 stop5h 14m
Delta
Sun 6/74:40 pm
SDF
- SAT
1 stop6h 41m
Delta
Deal found 4/4![Delta logo]()
$371
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:17 pm
SAT
- SDF
1 stop4h 42m
United Airlines
Wed 4/293:30 pm
SDF
- SAT
1 stop6h 33m
United Airlines
Deal found 4/2![United Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:15 pm
SAT
- SDF
1 stop6h 55m
Southwest
Sun 7/58:00 pm
SDF
- SAT
1 stop5h 20m
Southwest
Deal found 4/5![Southwest logo]()
$357
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/53:20 pm
SAT
- SDF
1 stop5h 35m
Southwest
Mon 6/85:30 pm
SDF
- SAT
1 stop7h 20m
Southwest
Deal found 4/5![Southwest logo]()
$371
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:10 am
SAT
- SDF
1 stop5h 50m
Southwest
Mon 5/115:25 pm
SDF
- SAT
2 stops5h 35m
Southwest
Deal found 4/2![Southwest logo]()
$376
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:30 pm
SAT
- SDF
2 stops7h 05m
Southwest
Mon 5/42:40 pm
SDF
- SAT
1 stop10h 50m
Southwest
Deal found 4/2![Southwest logo]()
$378
Last-minute flights from San Antonio to LouisvilleDiscover last-minute flight deals from San Antonio to Louisville. Data last updated April 7, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Louisville. Data last updated April 7, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:00 am
SAT
- SDF
1 stop10h 04m
Spirit Airlines
Fri 4/246:06 pm
SDF
- SAT
1 stop6h 45m
Spirit Airlines
Deal found 4/4![Spirit Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:00 am
SAT
- SDF
1 stop10h 04m
Multiple Airlines
Fri 4/247:48 pm
SDF
- SAT
2 stops18h 29m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$341
This Cheapflightsfares deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 am
SAT
- SDF
1 stop10h 04m
Spirit Airlines
Sun 4/266:06 pm
SDF
- SAT
1 stop6h 45m
Spirit Airlines
Deal found 4/6![Spirit Airlines logo]()
$346
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/282:55 pm
SAT
- SDF
1 stop6h 20m
Southwest
Mon 5/42:40 pm
SDF
- SAT
1 stop10h 50m
Southwest
Deal found 4/2![Southwest logo]()
$372
This CheapOair deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
SAT
- SDF
1 stop26h 28m
Spirit Airlines
Sun 5/1010:33 am
SDF
- SAT
1 stop6h 43m
Spirit Airlines
Deal found 4/5![Spirit Airlines logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
SAT
- SDF
1 stop26h 28m
Multiple Airlines
Sun 5/109:14 pm
SDF
- SAT
2 stops46h 45m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$311
This CheapOair deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:26 pm
SAT
- SDF
1 stop15h 02m
Spirit Airlines
Mon 5/1110:33 am
SDF
- SAT
1 stop6h 43m
Spirit Airlines
Deal found 4/2![Spirit Airlines logo]()
$325
This CheapOair deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:26 pm
SAT
- SDF
1 stop15h 02m
Spirit Airlines
Sun 5/1010:33 am
SDF
- SAT
1 stop6h 43m
Spirit Airlines
Deal found 4/5![Spirit Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2612:45 pm
SAT
- SDF
1 stop4h 15m
Southwest
Sun 6/75:25 am
SDF
- SAT
1 stop6h 20m
Southwest
Deal found 4/2![Southwest logo]()
$357
This Southwest deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:55 am
SAT
- SDF
1 stop6h 00m
Southwest
Sat 5/304:50 pm
SDF
- SAT
1 stop5h 15m
Southwest
Deal found 4/5![Southwest logo]()
$354
One-way flights from San Antonio to LouisvilleSearch for one-way flight options from San Antonio to Louisville. Find affordable one-way fares based on user searches. Data last updated April 7, 2026.
Search for one-way flight options from San Antonio to Louisville. Find affordable one-way fares based on user searches. Data last updated April 7, 2026.
This Delta deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:25 am
SAT
- SDF
1 stop5h 45m
Delta
Deal found 4/4![Delta logo]()
$154
This Southwest deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:45 pm
SAT
- SDF
2 stops6h 50m
Southwest
Deal found 4/4![Southwest logo]()
$159
This Cheapflightsfares deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 am
SAT
- SDF
1 stop10h 04m
Spirit Airlines
Deal found 4/6![Spirit Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/207:54 pm
SAT
- SDF
3 stops36h 34m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:00 pm
SAT
- SDF
3 stops25h 04m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$202
This Cheapflightsfares deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:00 am
SAT
- SDF
1 stop10h 04m
Spirit Airlines
Deal found 4/3![Spirit Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:49 pm
SAT
- SDF
3 stops19h 37m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:12 pm
SAT
- SDF
2 stops25h 52m
Spirit Airlines
Deal found 4/6![Spirit Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:12 pm
SAT
- SDF
2 stops27h 46m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/125:42 pm
SAT
- SDF
1 stop5h 43m
American Airlines
Deal found 4/2![American Airlines logo]()
$369
Find flight deals from San Antonio to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $289 (Priceline) |
One-way from | $154 (Delta) |
Popular in | January |
Cheapest in | August |
Average price | $408 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated April 7, 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
Cheapest round-trip
San AntonioLouisville
SAT - SDF
SATSDF
San Antonio
Fri 5/8
5:26 pm-9:28 am
1 stop15h 02m
Louisville Intl
Mon 5/11
10:33 am-4:16 pm
1 stop6h 43m
$325
Quickest round-trip
San AntonioLouisville
SAT - SDF
SATSDF
San Antonio
Tue 5/26
12:45 pm-6:00 pm
1 stop4h 15m
Louisville Intl
Sun 6/7
5:25 am-10:45 am
1 stop6h 20m
$357
San AntonioLouisville
SAT - SDF
SATSDF
San Antonio
Wed 7/1
3:15 pm-11:10 pm
1 stop6h 55m
Louisville Intl
Sun 7/5
8:00 pm-12:20 am
1 stop5h 20m
$357
San AntonioLouisville
SAT - SDF
SATSDF
San Antonio
Thu 6/4
6:11 pm-12:25 am
1 stop5h 14m
Louisville Intl
Sun 6/7
4:40 pm-10:21 pm
1 stop6h 41m
$371
San AntonioLouisville
SAT - SDF
SATSDF
San Antonio
Fri 6/5
3:20 pm-9:55 pm
1 stop5h 35m
Louisville Intl
Mon 6/8
5:30 pm-11:50 pm
1 stop7h 20m
$371
San AntonioLouisville
SAT - SDF
SATSDF
San Antonio
Fri 5/8
7:10 am-2:00 pm
1 stop5h 50m
Louisville Intl
Mon 5/11
5:25 pm-10:00 pm
2 stops5h 35m
$376
San AntonioLouisville
SAT - SDF
SATSDF
San Antonio
Tue 4/28
12:30 pm-8:35 pm
2 stops7h 05m
Louisville Intl
Mon 5/4
2:40 pm-12:30 am
1 stop10h 50m
$378
San AntonioLouisville
SAT - SDF
SATSDF
San Antonio
Tue 4/28
4:17 pm-9:59 pm
1 stop4h 42m
Louisville Intl
Wed 4/29
3:30 pm-9:03 pm
1 stop6h 33m
$387
Cheapest one-way
San AntonioLouisville
SAT - SDF
SATSDF
San Antonio
Wed 5/20
5:25 am-12:10 pm
1 stop5h 45m
$154
San AntonioLouisville
SAT - SDF
SATSDF
San Antonio
Wed 5/20
12:45 pm-8:35 pm
2 stops6h 50m
$159
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from San Antonio to Louisville
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Louisville in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on San Antonio-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Louisville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-Louisville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Antonio to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from San Antonio with our price prediction graph.
SAT-SDF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Antonio to Louisville
Prices
More
What is the cheapest month to book a flight from San Antonio to Louisville?
Currently, September is the cheapest month in which you can book a flight from San Antonio to Louisville (average of $56). Flying from San Antonio to Louisville in February is currently the most expensive (average of $205). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from San Antonio to Louisville?
What’s the top layover airport for flights from San Antonio to Louisville?
Share of 1-stop round-trip flights from San Antonio to Louisville chosen by Cheapflights users in the past 12 months, using the same layover each way.
Dallas (DFW) – chosen by Cheapflights users on 92% of 1-stop itineraries from San Antonio to Louisville on Cheapflights.
What’s the cheapest layover airport for flights from San Antonio to Louisville?
Average round-trip fare for 1-stop flights from San Antonio to Louisville, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Fort Lauderdale (FLL) is the most affordable 1-stop option, with an average round-trip price of $307.
What’s the fastest layover option from San Antonio to Louisville?
Shortest average travel time for 1-stop one-way flights from San Antonio to Louisville, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Dallas (DFW) have the shortest average one-way travel time for 1-stop routes: 4h 16m.
Which airport typically offers the quickest layover for flights from San Antonio to Louisville?
Average layover duration for 1-stop one-way flights from San Antonio to Louisville, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dallas (DFW) offer the fastest connection on this route, with an average layover time of 1h 01m.
Reviews of airlines servicing Louisville
Get insights into the airlines that provide service to Louisville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisville. Reviews last updated April 7, 2026.
Read through reviews of airlines operating flights from San Antonio to Louisville, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsShepherdsville
Elizabethtown
Corydon
Jeffersonville
Bardstown
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Top 4 airlines flying from San Antonio to Louisville
Discover the top 4 airlines that operate flights from San Antonio to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$123 | Average$348 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$236 | Average$411 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$270 | Average$386 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$276 | Average$364 | FlexibilityNo cancel fee | On-time71% |