$119+ Cheap flights from San Francisco to Louisville (SFO - 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SDF
Aug 26 — Sep 21
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Louisville with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Francisco to Louisville Intl are usually found in September or August, booked 20 days in advance, depart on a Thursday or Friday and return on a Tuesday
Cheap flight deals from San Francisco to Louisville
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco to LouisvilleExplore the most affordable flight options available from San Francisco to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.
Explore the most affordable flight options available from San Francisco to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.
This Breeze Airways deal was found by Cheapflights users on 7/25. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:18 pm
SFO
- SDF
Nonstop4h 30m
Breeze Airways
Mon 8/319:31 am
SDF
- SFO
Nonstop5h 02m
Breeze Airways
Deal found 7/25![Breeze Airways logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Fri 10/1611:54 am
SFO
- SDF
Nonstop4h 25m
Breeze Airways
Mon 10/198:47 am
SDF
- SFO
Nonstop5h 22m
Breeze Airways
Deal found 7/27![Breeze Airways logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Fri 8/2112:18 pm
SFO
- SDF
Nonstop4h 30m
Breeze Airways
Fri 8/289:31 am
SDF
- SFO
Nonstop5h 02m
Breeze Airways
Deal found 7/23![Breeze Airways logo]()
$268
This Breeze Airways deal was found by Cheapflights users on 7/24. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:18 pm
SFO
- SDF
Nonstop4h 30m
Breeze Airways
Fri 9/49:31 am
SDF
- SFO
Nonstop5h 02m
Breeze Airways
Deal found 7/24![Breeze Airways logo]()
$278
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 8/265:00 am
SFO
- SDF
1 stop6h 29m
United Airlines
Wed 9/23:35 pm
SDF
- SFO
1 stop7h 35m
United Airlines
Deal found 7/27![United Airlines logo]()
$282
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Mon 10/195:00 am
SFO
- SDF
1 stop9h 20m
American Airlines
Wed 10/286:29 am
SDF
- SFO
1 stop7h 55m
American Airlines
Deal found 7/24![American Airlines logo]()
$286
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Fri 8/215:05 am
SFO
- SDF
1 stop9h 54m
American Airlines
Mon 8/242:36 pm
SDF
- SFO
1 stop11h 04m
American Airlines
Deal found 7/26![American Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 7/23. 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 8/2111:05 pm
SFO
- SDF
1 stop10h 00m
Southwest
Fri 8/283:20 pm
SDF
- SFO
1 stop9h 35m
Southwest
Deal found 7/23![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 7/27. 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 8/147:00 am
SFO
- SDF
1 stop13h 05m
Southwest
Mon 8/1711:05 am
SDF
- SFO
2 stops8h 25m
Southwest
Deal found 7/27![Southwest logo]()
$298
Best flights from San Francisco to LouisvilleDiscover carefully curated flight deals from San Francisco to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
Discover carefully curated flight deals from San Francisco to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Fri 8/145:00 am
SFO
- SDF
1 stop6h 29m
United Airlines
Sun 8/167:25 am
SDF
- SFO
1 stop7h 49m
United Airlines
Deal found 7/27![United Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 7/26. 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.
Mon 11/28:00 am
SFO
- SDF
1 stop8h 10m
Delta
Sat 11/71:59 pm
SDF
- SFO
1 stop9h 07m
Delta
Deal found 7/26![Delta logo]()
$287
This Southwest deal was found by Cheapflights users on 7/25. 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 8/265:50 am
SFO
- SDF
2 stops9h 05m
Southwest
Fri 8/283:20 pm
SDF
- SFO
1 stop9h 35m
Southwest
Deal found 7/25![Southwest logo]()
$292
This Breeze Airways deal was found by Cheapflights users on 7/22. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:18 pm
SFO
- SDF
Nonstop4h 30m
Breeze Airways
Mon 8/249:31 am
SDF
- SFO
Nonstop5h 02m
Breeze Airways
Deal found 7/22![Breeze Airways logo]()
$328
This Southwest deal was found by Cheapflights users on 7/25. 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 9/159:35 am
SFO
- SDF
2 stops10h 30m
Southwest
Thu 9/177:10 pm
SDF
- SFO
1 stop7h 40m
Southwest
Deal found 7/25![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 7/22. 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 9/1811:40 pm
SFO
- SDF
1 stop7h 30m
Southwest
Mon 9/217:10 pm
SDF
- SFO
1 stop7h 35m
Southwest
Deal found 7/22![Southwest logo]()
$338
This Delta deal was found by Cheapflights users on 7/27. 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.
Sat 9/1910:59 pm
SFO
- SDF
1 stop7h 53m
Delta
Tue 9/224:29 pm
SDF
- SFO
2 stops10h 22m
Delta
Deal found 7/27![Delta logo]()
$388
This Southwest deal was found by Cheapflights users on 7/23. 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.
Thu 9/1011:55 am
SFO
- SDF
1 stop8h 15m
Southwest
Sun 9/136:10 am
SDF
- SFO
2 stops8h 55m
Southwest
Deal found 7/23![Southwest logo]()
$353
Last-minute flights from San Francisco to LouisvilleDiscover last-minute flight deals from San Francisco to Louisville. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Louisville. Data last updated July 27, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/22. 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.
Wed 8/126:36 am
SFO
- SDF
1 stop8h 42m
American Airlines
Sun 8/235:00 am
SDF
- SFO
1 stop10h 14m
American Airlines
Deal found 7/22![American Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 7/27. 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 8/147:00 am
SFO
- SDF
1 stop13h 05m
Southwest
Mon 8/1711:05 am
SDF
- SFO
2 stops8h 25m
Southwest
Deal found 7/27![Southwest logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Fri 8/2112:18 pm
SFO
- SDF
Nonstop4h 30m
Breeze Airways
Fri 8/289:31 am
SDF
- SFO
Nonstop5h 02m
Breeze Airways
Deal found 7/23![Breeze Airways logo]()
$268
This Southwest deal was found by Cheapflights users on 7/23. 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 8/2111:05 pm
SFO
- SDF
1 stop10h 00m
Southwest
Fri 8/283:20 pm
SDF
- SFO
1 stop9h 35m
Southwest
Deal found 7/23![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 7/23. 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 8/226:40 am
SFO
- SDF
1 stop6h 15m
Southwest
Sat 8/2912:05 pm
SDF
- SFO
2 stops11h 30m
Southwest
Deal found 7/23![Southwest logo]()
$304
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 8/265:00 am
SFO
- SDF
1 stop6h 29m
United Airlines
Wed 9/23:35 pm
SDF
- SFO
1 stop7h 35m
United Airlines
Deal found 7/27![United Airlines logo]()
$282
This Breeze Airways deal was found by Cheapflights users on 7/25. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:18 pm
SFO
- SDF
Nonstop4h 30m
Breeze Airways
Mon 8/319:31 am
SDF
- SFO
Nonstop5h 02m
Breeze Airways
Deal found 7/25![Breeze Airways logo]()
$208
This Breeze Airways deal was found by Cheapflights users on 7/24. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:18 pm
SFO
- SDF
Nonstop4h 30m
Breeze Airways
Fri 9/49:31 am
SDF
- SFO
Nonstop5h 02m
Breeze Airways
Deal found 7/24![Breeze Airways logo]()
$278
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Fri 8/286:36 am
SFO
- SDF
1 stop8h 42m
American Airlines
Fri 9/47:03 pm
SDF
- SFO
1 stop7h 07m
American Airlines
Deal found 7/26![American Airlines logo]()
$287
One-way flights from San Francisco to LouisvilleSearch for one-way flight options from San Francisco to Louisville. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
Search for one-way flight options from San Francisco to Louisville. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Super.com deal was found by Cheapflights users on 7/22. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:54 am
SFO
- SDF
Nonstop4h 25m
Breeze Airways
Deal found 7/22![Breeze Airways logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Fri 8/2112:18 pm
SFO
- SDF
Nonstop4h 30m
Breeze Airways
Deal found 7/23![Breeze Airways logo]()
$128
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 8/85:00 am
SFO
- SDF
1 stop6h 28m
United Airlines
Deal found 7/23![United Airlines logo]()
$139
This American Airlines deal was found by Cheapflights users on 7/27. 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 9/2710:46 pm
SFO
- SDF
1 stop7h 57m
American Airlines
Deal found 7/27![American Airlines logo]()
$143
This Delta deal was found by Cheapflights users on 7/23. 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.
Sun 9/1310:59 pm
SFO
- SDF
1 stop7h 53m
Delta
Deal found 7/23![Delta logo]()
$144
This Southwest deal was found by Cheapflights users on 7/24. 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.
Thu 8/67:00 am
SFO
- SDF
1 stop13h 05m
Southwest
Deal found 7/24![Southwest logo]()
$149
This Southwest deal was found by Cheapflights users on 7/23. 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 10/168:00 pm
SFO
- SDF
2 stops14h 55m
Southwest
Deal found 7/23![Southwest logo]()
$155
This Breeze Airways deal was found by Cheapflights users on 7/25. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:18 pm
SFO
- SDF
Nonstop4h 30m
Breeze Airways
Deal found 7/25![Breeze Airways logo]()
$159
This Southwest deal was found by Cheapflights users on 7/26. 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 11/76:00 pm
SFO
- SDF
2 stops13h 05m
Southwest
Deal found 7/26![Southwest logo]()
$160
This Southwest deal was found by Cheapflights users on 7/24. 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.
Mon 9/146:00 am
SFO
- SDF
2 stops9h 30m
Southwest
Deal found 7/24![Southwest logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 7/26. 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.
Fri 9/1811:54 am
SFO
- SDF
Nonstop4h 25m
Breeze Airways
Deal found 7/26![Breeze Airways logo]()
$168
This Southwest deal was found by Cheapflights users on 7/23. 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 8/129:35 am
SFO
- SDF
2 stops10h 25m
Southwest
Deal found 7/23![Southwest logo]()
$175
Find flight deals from San Francisco to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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 July 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $208 (Breeze Airways) |
One-way from | $119 (Super.com) |
Popular in | January |
Cheapest in | September |
Average price | $498 |
Good round-trip deal | $305 or less |
Good one-way deal | $169 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco 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 July 27, 2026.
Use the filters below to find and compare flights from San Francisco to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoLouisville
SFO - SDF
SFOSDF
San Francisco
Fri 8/14
5:00 am-2:29 pm
1 stop6h 29m
Louisville Intl
Sun 8/16
7:25 am-12:14 pm
1 stop7h 49m
$282
San FranciscoLouisville
SFO - SDF
SFOSDF
San Francisco
Mon 11/2
8:00 am-7:10 pm
1 stop8h 10m
Louisville Intl
Sat 11/7
1:59 pm-8:06 pm
1 stop9h 07m
$287
San FranciscoLouisville
SFO - SDF
SFOSDF
San Francisco
Wed 8/26
5:50 am-5:55 pm
2 stops9h 05m
Louisville Intl
Fri 8/28
3:20 pm-9:55 pm
1 stop9h 35m
$292
San FranciscoLouisville
SFO - SDF
SFOSDF
San Francisco
Tue 9/15
9:35 am-11:05 pm
2 stops10h 30m
Louisville Intl
Thu 9/17
7:10 pm-11:50 pm
1 stop7h 40m
$292
Quickest round-trip
San FranciscoLouisville
SFO - SDF
SFOSDF
San Francisco
Fri 8/21
12:18 pm-7:48 pm
Nonstop4h 30m
Louisville Intl
Mon 8/24
9:31 am-11:33 am
Nonstop5h 02m
$328
San FranciscoLouisville
SFO - SDF
SFOSDF
San Francisco
Fri 9/18
11:40 pm-10:10 am
1 stop7h 30m
Louisville Intl
Mon 9/21
7:10 pm-11:45 pm
1 stop7h 35m
$338
San FranciscoLouisville
SFO - SDF
SFOSDF
San Francisco
Thu 9/10
11:55 am-11:10 pm
1 stop8h 15m
Louisville Intl
Sun 9/13
6:10 am-12:05 pm
2 stops8h 55m
$353
San FranciscoLouisville
SFO - SDF
SFOSDF
San Francisco
Sat 9/19
10:59 pm-9:52 am
1 stop7h 53m
Louisville Intl
Tue 9/22
4:29 pm-11:51 pm
2 stops10h 22m
$388
Cheapest one-way
Quickest one-way
San FranciscoLouisville
SFO - SDF
SFOSDF
San Francisco
Tue 10/27
5:00 am-2:20 pm
1 stop6h 20m
$139
San FranciscoLouisville
SFO - SDF
SFOSDF
San Francisco
Sat 8/8
5:00 am-2:28 pm
1 stop6h 28m
$139
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from San Francisco 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 Francisco to Louisville in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Louisville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-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 Francisco-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 Francisco to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from San Francisco with our price prediction graph.
SFO-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 Francisco to Louisville
Prices
Airlines
How far ahead should I book a flight from San Francisco to Louisville?
The price you pay for your flight from San Francisco to Louisville may vary depending on when you book. For the best chance of a lower fare, look to book 19 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Francisco to Louisville?
Currently, September is the cheapest month in which you can book a flight from San Francisco to Louisville (average of $303). Flying from San Francisco to Louisville in January is currently the most expensive (average of $777). 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.
What is the cheapest time of day to fly from SFO to SDF?
Find hourly flight availability from San Francisco to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 27, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Louisville as you normally would.
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 July 27, 2026.
Peruse reviews from past customers who have flown with Breeze Airways,Southwest, andDelta from San Francisco to Louisville to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.2
Entertainment
6.7
Boarding
8.3
Comfort
8.2
Crew
8.8
Food
6.7
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Overall
8.2
Entertainment
6.7
Boarding
8.3
Comfort
8.2
Crew
8.8
Food
6.7
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Overall
8.2
Entertainment
6.7
Boarding
8.3
Comfort
8.2
Crew
8.8
Food
6.7
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Overall
8.2
Entertainment
6.7
Boarding
8.3
Comfort
8.2
Crew
8.8
Food
6.7
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Overall
8.2
Entertainment
6.7
Boarding
8.3
Comfort
8.2
Crew
8.8
Food
6.7
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Overall
8.2
Entertainment
6.7
Boarding
8.3
Comfort
8.2
Crew
8.8
Food
6.7
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Related info for your journey
Find useful and relevant information for your journey from San Francisco 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 locationsCorydon
Shepherdsville
Elizabethtown
Jeffersonville
Bardstown
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Other flights to Louisville
Explore flights to Louisville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 27, 2026.
San Francisco and Louisville flights
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Top 6 airlines flying from San Francisco to Louisville
Discover the top 6 airlines that operate flights from San Francisco 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 July 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$134 | Average$304 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$228 | Average$488 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$272 | Average$636 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$287 | Average$477 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$294 | Average$503 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$350 | Average$456 | FlexibilityNo cancel fee | On-time63% |