$89+ Cheap flights from Louisville to San Francisco (SDF - SFO)
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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SFO
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to San Francisco 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 Louisville Intl to San Francisco are usually found in September or October, booked 32 days in advance, depart on a Tuesday or Monday and return on a Thursday
Cheap flight deals from Louisville to San Francisco
Cheapest
Best
Last-minute
One-way
Cheapest flights from Louisville to San FranciscoExplore the most affordable flight options available from Louisville to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
Explore the most affordable flight options available from Louisville to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
This Southwest deal was found by Cheapflights users on 8/12. 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 9/305:30 am -
1 stop9h 05m
Mon 10/1211:40 pm -
1 stop7h 25m
Deal found 8/12![Southwest logo]()
$204
This Southwest deal was found by Cheapflights users on 8/12. 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 9/111:50 am -
2 stops8h 05m
Mon 9/711:40 pm -
1 stop8h 40m
Deal found 8/12![Southwest logo]()
$210
This Southwest deal was found by Cheapflights users on 8/13. 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 11/37:20 am -
2 stops8h 30m
Mon 11/911:35 pm -
1 stop7h 55m
Deal found 8/13![Southwest logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 8/289:31 am -
Nonstop5h 02m
Mon 8/3112:18 pm -
Nonstop4h 30m
Deal found 8/16![Breeze Airways logo]()
$227
This Breeze Airways deal was found by Cheapflights users on 8/12. 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 8/219:31 am -
Nonstop5h 02m
Fri 8/2812:18 pm -
Nonstop4h 30m
Deal found 8/12![Breeze Airways logo]()
$228
This Southwest deal was found by Cheapflights users on 8/13. 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 9/117:10 pm -
1 stop7h 40m
Mon 9/1411:40 pm -
1 stop8h 35m
Deal found 8/13![Southwest logo]()
$230
This Southwest deal was found by Cheapflights users on 8/13. 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 9/1511:50 am -
2 stops8h 05m
Tue 9/229:35 am -
2 stops10h 30m
Deal found 8/13![Southwest logo]()
$231
This Southwest deal was found by Cheapflights users on 8/13. 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 9/47:10 pm -
1 stop7h 40m
Tue 9/811:05 pm -
1 stop10h 05m
Deal found 8/13![Southwest logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 12/48:47 am -
Nonstop5h 22m
Mon 12/711:54 am -
Nonstop4h 25m
Deal found 8/14![Breeze Airways logo]()
$237
This Southwest deal was found by Cheapflights users on 8/12. 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 10/35:05 pm -
1 stop7h 40m
Fri 10/911:40 pm -
1 stop7h 40m
Deal found 8/12![Southwest logo]()
$245
Best flights from Louisville to San FranciscoDiscover carefully curated flight deals from Louisville to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from Louisville to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This Southwest deal was found by Cheapflights users on 8/12. 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 9/183:20 pm -
2 stops9h 10m
Mon 9/2111:40 pm -
1 stop8h 40m
Deal found 8/12![Southwest logo]()
$235
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 9/1011:00 am -
1 stop7h 35m
Thu 9/1711:00 pm -
1 stop7h 54m
Deal found 8/13![United Airlines logo]()
$255
This Delta deal was found by Cheapflights users on 8/12. 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.
Tue 9/293:43 pm -
1 stop7h 15m
Fri 10/29:55 pm -
1 stop9h 24m
Deal found 8/12![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/115:15 am -
1 stop8h 11m
Sun 9/205:00 am -
1 stop6h 29m
Deal found 8/13![United Airlines logo]()
$276
This Southwest deal was found by Cheapflights users on 8/13. 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 9/113:20 pm -
2 stops9h 10m
Sun 9/2011:40 pm -
1 stop7h 45m
Deal found 8/13![Southwest logo]()
$332
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/15:45 pm -
1 stop8h 14m
Wed 9/95:00 am -
1 stop6h 23m
Deal found 8/16![United Airlines logo]()
$302
This Southwest deal was found by Cheapflights users on 8/12. 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 8/284:15 pm -
1 stop7h 20m
Fri 11/206:00 am -
1 stop8h 30m
Deal found 8/12![Southwest logo]()
$343
This Delta deal was found by Cheapflights users on 8/13. 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 12/107:00 am -
1 stop7h 00m
Mon 12/1410:38 am -
2 stops9h 08m
Deal found 8/13![Delta logo]()
$381
This Southwest deal was found by Cheapflights users on 8/13. 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 9/103:20 pm -
2 stops9h 10m
Thu 9/1710:50 am -
2 stops9h 20m
Deal found 8/13![Southwest logo]()
$346
This Southwest deal was found by Cheapflights users on 8/12. 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 12/257:20 am -
2 stops8h 30m
Wed 12/309:45 am -
1 stop8h 35m
Deal found 8/12![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 8/15. 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 9/157:05 am -
2 stops10h 00m
Sat 9/194:55 pm -
2 stops14h 30m
Deal found 8/15![Southwest logo]()
$375
Last-minute flights from Louisville to San FranciscoDiscover last-minute flight deals from Louisville to San Francisco. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to San Francisco. Data last updated August 17, 2026 and is based on user searches.
This Breeze Airways deal was found by Cheapflights users on 8/12. 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 8/219:31 am -
Nonstop5h 02m
Fri 8/2812:18 pm -
Nonstop4h 30m
Deal found 8/12![Breeze Airways logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 8/219:31 am -
Nonstop5h 02m
Mon 8/3112:18 pm -
Nonstop4h 30m
Deal found 8/14![Breeze Airways logo]()
$247
This Breeze Airways deal was found by Cheapflights users on 8/14. 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 8/219:31 am -
Nonstop5h 02m
Mon 8/2412:18 pm -
Nonstop4h 30m
Deal found 8/14![Breeze Airways logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 8/289:31 am -
Nonstop5h 02m
Mon 8/3112:18 pm -
Nonstop4h 30m
Deal found 8/16![Breeze Airways logo]()
$227
This Southwest deal was found by Cheapflights users on 8/12. 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 9/111:50 am -
2 stops8h 05m
Mon 9/711:40 pm -
1 stop8h 40m
Deal found 8/12![Southwest logo]()
$210
This Southwest deal was found by Cheapflights users on 8/13. 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 9/47:10 pm -
1 stop7h 40m
Tue 9/811:05 pm -
1 stop10h 05m
Deal found 8/13![Southwest logo]()
$235
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 9/1011:00 am -
1 stop7h 35m
Thu 9/1711:00 pm -
1 stop7h 54m
Deal found 8/13![United Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 8/13. 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 9/117:10 pm -
1 stop7h 40m
Mon 9/1411:40 pm -
1 stop8h 35m
Deal found 8/13![Southwest logo]()
$230
This Southwest deal was found by Cheapflights users on 8/13. 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 9/1511:50 am -
2 stops8h 05m
Tue 9/229:35 am -
2 stops10h 30m
Deal found 8/13![Southwest logo]()
$231
This Southwest deal was found by Cheapflights users on 8/12. 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 9/305:30 am -
1 stop9h 05m
Mon 10/1211:40 pm -
1 stop7h 25m
Deal found 8/12![Southwest logo]()
$204
One-way flights from Louisville to San FranciscoSearch for one-way flight options from Louisville to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from Louisville to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 8/319:31 am -
Nonstop5h 02m
Deal found 8/13![Breeze Airways logo]()
$89
This Southwest deal was found by Cheapflights users on 8/13. 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 9/124:45 pm -
1 stop6h 55m
Deal found 8/13![Southwest logo]()
$102
This Southwest deal was found by Cheapflights users on 8/13. 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 9/221:15 pm -
1 stop11h 40m
Deal found 8/13![Southwest logo]()
$108
This Southwest deal was found by Cheapflights users on 8/12. 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 10/57:50 pm -
1 stop7h 15m
Deal found 8/12![Southwest logo]()
$118
This Super.com deal was found by Cheapflights users on 8/12. 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 10/58:47 am -
Nonstop5h 22m
Deal found 8/12![Breeze Airways logo]()
$119
This Southwest deal was found by Cheapflights users on 8/13. 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 9/1110:40 am -
1 stop6h 30m
Deal found 8/13![Southwest logo]()
$128
This Delta deal was found by Cheapflights users on 8/13. 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 8/313:25 pm -
1 stop9h 35m
Deal found 8/13![Delta logo]()
$139
This Delta deal was found by Cheapflights users on 8/13. 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 9/63:25 pm -
1 stop7h 14m
Deal found 8/13![Delta logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 9/49:31 am -
Nonstop5h 02m
Deal found 8/13![Breeze Airways logo]()
$159
Find flight deals from Louisville to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to San Francisco (SFO). 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 August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $204 (Southwest) |
One-way from | $89 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $348 |
Good round-trip deal | $169 or less |
Good one-way deal | $197 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisville to San Francisco 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 August 17, 2026.
Use the filters below to find and compare flights from Louisville to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LouisvilleSan Francisco
SDF Louisville Intl - SFO San Francisco
SDFSFO
Louisville Intl
Fri 9/18
3:20 pm-9:30 pm
2 stops9h 10m
San Francisco
Mon 9/21
11:40 pm-11:20 am
1 stop8h 40m
$235
LouisvilleSan Francisco
SDF Louisville Intl - SFO San Francisco
SDFSFO
Louisville Intl
Thu 9/10
11:00 am-3:35 pm
1 stop7h 35m
San Francisco
Thu 9/17
11:00 pm-9:54 am
1 stop7h 54m
$255
LouisvilleSan Francisco
SDF Louisville Intl - SFO San Francisco
SDFSFO
Louisville Intl
Fri 9/11
5:15 am-10:26 am
1 stop8h 11m
San Francisco
Sun 9/20
5:00 am-2:29 pm
1 stop6h 29m
$276
LouisvilleSan Francisco
SDF Louisville Intl - SFO San Francisco
SDFSFO
Louisville Intl
Tue 9/29
3:43 pm-7:58 pm
1 stop7h 15m
San Francisco
Fri 10/2
9:55 pm-10:19 am
1 stop9h 24m
$277
Quickest round-trip
LouisvilleSan Francisco
SDF Louisville Intl - SFO San Francisco
SDFSFO
Louisville Intl
Tue 9/1
5:45 pm-10:59 pm
1 stop8h 14m
San Francisco
Wed 9/9
5:00 am-2:23 pm
1 stop6h 23m
$302
LouisvilleSan Francisco
SDF Louisville Intl - SFO San Francisco
SDFSFO
Louisville Intl
Fri 9/11
3:20 pm-9:30 pm
2 stops9h 10m
San Francisco
Sun 9/20
11:40 pm-10:25 am
1 stop7h 45m
$332
LouisvilleSan Francisco
SDF Louisville Intl - SFO San Francisco
SDFSFO
Louisville Intl
Fri 8/28
4:15 pm-8:35 pm
1 stop7h 20m
San Francisco
Fri 11/20
6:00 am-5:30 pm
1 stop8h 30m
$343
LouisvilleSan Francisco
SDF Louisville Intl - SFO San Francisco
SDFSFO
Louisville Intl
Thu 9/10
3:20 pm-9:30 pm
2 stops9h 10m
San Francisco
Thu 9/17
10:50 am-11:10 pm
2 stops9h 20m
$346
LouisvilleSan Francisco
SDF Louisville Intl - SFO San Francisco
SDFSFO
Louisville Intl
Fri 12/25
7:20 am-12:50 pm
2 stops8h 30m
San Francisco
Wed 12/30
9:45 am-9:20 pm
1 stop8h 35m
$364
LouisvilleSan Francisco
SDF Louisville Intl - SFO San Francisco
SDFSFO
Louisville Intl
Tue 9/15
7:05 am-2:05 pm
2 stops10h 00m
San Francisco
Sat 9/19
4:55 pm-10:25 am
2 stops14h 30m
$375
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Louisville to San Francisco
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 Louisville to San Francisco in August.
| 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 |
- Most accurate provider: When it comes to deals on Louisville-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Louisville-San Francisco 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 Louisville-San Francisco 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 Louisville to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Louisville with our price prediction graph.
SDF-SFO
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 Louisville to San Francisco
How far ahead should I book a flight from Louisville to San Francisco?
The best time to book flights from Louisville to San Francisco is 31 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Louisville to San Francisco?
Currently, September is the cheapest month in which you can book a flight from Louisville to San Francisco (average of $301). Flying from Louisville to San Francisco in March is currently the most expensive (average of $486). 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 SDF to SFO?
Find hourly flight availability from Louisville to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 17, 2026.
When flying from Louisville to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated August 17, 2026.
Peruse reviews from past customers who have flown with Breeze Airways,Southwest, andDelta from Louisville to San Francisco 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.
Entertainment
6.7
Food
6.7
Crew
8.7
Overall
8.2
Boarding
8.3
Comfort
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Entertainment
6.7
Food
6.7
Crew
8.7
Overall
8.2
Boarding
8.3
Comfort
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Entertainment
6.7
Food
6.7
Crew
8.7
Overall
8.2
Boarding
8.3
Comfort
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Entertainment
6.7
Food
6.7
Crew
8.7
Overall
8.2
Boarding
8.3
Comfort
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Entertainment
6.7
Food
6.7
Crew
8.7
Overall
8.2
Boarding
8.3
Comfort
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Entertainment
6.7
Food
6.7
Crew
8.7
Overall
8.2
Boarding
8.3
Comfort
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Related info for your journey
Find useful and relevant information for your journey from Louisville to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Top 5 airlines flying from Louisville to San Francisco
Discover the top 5 airlines that operate flights from Louisville to San Francisco. 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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$136 | Average$296 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$166 | Average$421 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$278 | Average$445 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$318 | Average$461 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$350 | Average$477 | FlexibilityNo cancel fee | On-time63% |