$159+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SFO
Jan 11 — Jan 181
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 November, booked 32 days in advance, depart on a Monday or Thursday and return on a Wednesday
Cheap flight deals from Louisville to San Francisco
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 December 12, 2025.
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 December 12, 2025.
This Delta deal was found by Cheapflights users on 12/10. 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 12/246:40 amSDF - SFO
1 stop10h 01mDelta
Wed 12/312:05 pmSFO - SDF
1 stop6h 51mDelta
Deal found 12/10![Delta logo]()
$301
This Super.com deal was found by Cheapflights users on 12/11. 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 12/229:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
Mon 12/2912:47 pmSFO - SDF
Nonstop4h 25mBreeze Airways
Deal found 12/11![Breeze Airways logo]()
$373
This Delta deal was found by Cheapflights users on 12/10. 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 12/246:40 amSDF - SFO
1 stop7h 39mDelta
Thu 1/16:00 amSFO - SDF
1 stop6h 58mDelta
Deal found 12/10![Delta logo]()
$399
This Super.com deal was found by Cheapflights users on 12/9. 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 12/229:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
Fri 1/212:47 pmSFO - SDF
Nonstop4h 25mBreeze Airways
Deal found 12/9![Breeze Airways logo]()
$404
This Delta deal was found by Cheapflights users on 12/10. 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 12/244:49 pmSDF - SFO
1 stop10h 08mDelta
Tue 12/308:00 amSFO - SDF
1 stop7h 06mDelta
Deal found 12/10![Delta logo]()
$429
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/253:18 pmSDF - SFO
1 stop7h 36mUnited Airlines
Wed 12/311:00 pmSFO - SDF
1 stop6h 24mUnited Airlines
Deal found 12/10![United Airlines logo]()
$431
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/235:40 amSDF - SFO
1 stop7h 18mUnited Airlines
Sat 1/1011:15 pmSFO - SDF
1 stop8h 08mUnited Airlines
Deal found 12/9![United Airlines logo]()
$462
This Southwest deal was found by Cheapflights users on 12/9. 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 12/2311:45 amSDF - SFO
1 stop9h 30mSouthwest
Sat 1/108:20 amSFO - SDF
2 stops10h 05mSouthwest
Deal found 12/9![Southwest logo]()
$467
This Breeze Airways deal was found by Cheapflights users on 12/9. 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 12/129:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
Fri 12/1912:47 pmSFO - SDF
Nonstop4h 25mBreeze Airways
Deal found 12/9![Breeze Airways logo]()
$478
This Delta deal was found by Cheapflights users on 12/10. 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 12/241:45 pmSDF - SFO
1 stop10h 05mDelta
Mon 1/54:03 pmSFO - SDF
2 stops14h 25mDelta
Deal found 12/10![Delta logo]()
$487
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 December 12, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $288 (Breeze Airways) |
One-way from | $159 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $421 |
Good round-trip deal | $193 or less |
Good one-way deal | $139 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 December 12, 2025.
Use the filters below to find and compare flights from Louisville to San Francisco that are best for you.
Fly from
Louisville
Fly to
San Francisco
Route
Depart
Return
Price
LouisvilleSan Francisco
SDF - SFO
SDFSFO
Louisville Intl
Tue 1/20
3:32 pm-8:25 pm
1 stop7h 53m
San Francisco
Fri 1/23
10:54 pm-10:01 am
1 stop8h 07m
$319
LouisvilleSan Francisco
SDF - SFO
SDFSFO
Louisville Intl
Thu 1/15
6:21 pm-11:25 pm
1 stop8h 04m
San Francisco
Sun 1/18
2:05 pm-11:55 pm
1 stop6h 50m
$330
LouisvilleSan Francisco
SDF - SFO
SDFSFO
Louisville Intl
Sat 2/14
4:50 pm-10:30 pm
2 stops8h 40m
San Francisco
Wed 2/18
9:55 am-11:20 pm
2 stops10h 25m
$344
LouisvilleSan Francisco
SDF - SFO
SDFSFO
Louisville Intl
Sat 2/28
6:23 am-1:48 pm
1 stop10h 25m
San Francisco
Wed 3/4
6:00 am-5:51 pm
1 stop8h 51m
$363
LouisvilleSan Francisco
SDF - SFO
SDFSFO
Louisville Intl
Thu 1/15
6:21 pm-11:25 pm
1 stop8h 04m
San Francisco
Tue 1/20
7:00 pm-10:01 am
2 stops12h 01m
$368
LouisvilleSan Francisco
SDF - SFO
SDFSFO
Louisville Intl
Thu 1/15
6:21 pm-11:25 pm
1 stop8h 04m
San Francisco
Mon 1/19
10:30 am-4:19 pm
2 stops26h 49m
$368
LouisvilleSan Francisco
SDF - SFO
SDFSFO
Louisville Intl
Wed 3/4
5:33 am-12:50 pm
1 stop10h 17m
San Francisco
Wed 3/4
10:54 pm-10:04 am
1 stop8h 10m
$372
LouisvilleSan Francisco
SDF - SFO
SDFSFO
Louisville Intl
Thu 2/5
6:25 am-1:10 pm
2 stops9h 45m
San Francisco
Wed 2/11
10:00 am-9:10 pm
2 stops8h 10m
$382
LouisvilleSan Francisco
SDF - SFO
SDFSFO
Louisville Intl
Fri 2/27
5:33 am-3:56 pm
2 stops13h 23m
San Francisco
Wed 3/4
6:00 am-5:51 pm
1 stop8h 51m
$386
LouisvilleSan Francisco
SDF - SFO
SDFSFO
Louisville Intl
Fri 2/27
4:30 pm-11:47 pm
1 stop10h 17m
San Francisco
Tue 3/10
10:50 pm-9:53 am
1 stop8h 03m
$387
Showing 1-10 of 20 results
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 December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| 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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Louisville-San Francisco flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.
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?
Use this chart to determine the optimal time to book a round-trip flight from Louisville to San Francisco. Price data was last updated on December 5, 2025.
The best time to book flights from Louisville to San Francisco is 32 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 $114). Flying from Louisville to San Francisco in November is currently the most expensive (average of $218). 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 December 12, 2025.
Unlike in the evening, when flights are generally more expensive, you can save up to 38% on flights from Louisville to San Francisco by exploring options for tickets in the morning.
What is the cheapest day to fly from Louisville to San Francisco?
Use this chart to determine the cheapest time to fly round-trip from Louisville to San Francisco. Price data was last updated on December 6, 2025.
Travelers seeking maximum savings on their Louisville to San Francisco flight should consider departing on Tuesday mornings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 December 12, 2025.
Peruse reviews from past customers who have flown with Breeze Airways, Southwest, and Delta 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.
Boarding
8.4
Entertainment
6.6
Comfort
8.2
Overall
8.2
Crew
8.8
Food
6.7
Reviews
1 / 15
8.0
ExcellentLyle,Dec 2025
BDL - RSW
Boarding
8.4
Entertainment
6.6
Comfort
8.2
Overall
8.2
Crew
8.8
Food
6.7
Reviews
1 / 15
8.0
ExcellentLyle,Dec 2025
BDL - RSW
Boarding
8.4
Entertainment
6.6
Comfort
8.2
Overall
8.2
Crew
8.8
Food
6.7
Reviews
1 / 15
8.0
ExcellentLyle,Dec 2025
BDL - RSW
Boarding
8.4
Entertainment
6.6
Comfort
8.2
Overall
8.2
Crew
8.8
Food
6.7
Reviews
1 / 15
8.0
ExcellentLyle,Dec 2025
BDL - RSW
Boarding
8.4
Entertainment
6.6
Comfort
8.2
Overall
8.2
Crew
8.8
Food
6.7
Reviews
1 / 15
8.0
ExcellentLyle,Dec 2025
BDL - RSW
Boarding
8.4
Entertainment
6.6
Comfort
8.2
Overall
8.2
Crew
8.8
Food
6.7
Reviews
1 / 15
8.0
ExcellentLyle,Dec 2025
BDL - RSW
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.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsRoseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Sunnyvale
Santa Clara
San Bruno
Redwood City
Daly City
Vallejo
Hollister
Foster City
Union City
Davis
San Ramon
Burlingame
Milpitas
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Louisville to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
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 December 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$161 | Average$263 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$219 | Average$423 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$254 | Average$445 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$262 | Average$412 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$330 | Average$510 | FlexibilityNo cancel fee | On-time69% |