Louisville

$131+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SDF
May 24 — May 311
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Find cheap flights from San Francisco to Louisville with Cheapflights

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Cheapflights Tip: The best prices from San Francisco to Louisville Intl are usually found in November or August, booked 88 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from San Francisco to Louisville

Cheapest flights from San Francisco to Louisville
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 April 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/20. 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 8/1712:18 pm
SFO
-
SDF
Nonstop4h 30m
Breeze Airways
Mon 8/249:31 am
SDF
-
SFO
Nonstop5h 02m
Breeze Airways
Deal found 4/20$242
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 8/1712:18 pm
SFO
-
SDF
Nonstop4h 30m
Breeze Airways
Fri 8/219:31 am
SDF
-
SFO
Nonstop5h 02m
Breeze Airways
Deal found 4/20$262
This Kiwi.com deal was found by Cheapflights users on 4/20. 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
Mon 8/249:31 am
SDF
-
SFO
Nonstop5h 02m
Breeze Airways
Deal found 4/20$287
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 9/15:00 am
SFO
-
SDF
1 stop6h 19m
United Airlines
Sun 9/65:35 am
SDF
-
SFO
1 stop7h 51m
United Airlines
Deal found 4/23$290
This Southwest deal was found by Cheapflights users on 4/20. 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 9/811:40 pm
SFO
-
SDF
1 stop8h 35m
Southwest
Tue 9/1511:50 am
SDF
-
SFO
1 stop9h 25m
Southwest
Deal found 4/20$294
This Delta deal was found by Cheapflights users on 4/21. 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 5/2611:34 am
SFO
-
SDF
1 stop6h 44m
Delta
Thu 5/283:29 pm
SDF
-
SFO
1 stop8h 35m
Delta
Deal found 4/21$295
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/3112:15 am
SFO
-
SDF
1 stop8h 44m
Delta
Thu 6/47:49 pm
SDF
-
SFO
1 stop7h 01m
Delta
Deal found 4/22$297
This Booking.com deal was found by Cheapflights users on 4/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1812:18 pm
SFO
-
SDF
Nonstop4h 30m
Breeze Airways
Fri 5/229:31 am
SDF
-
SFO
Nonstop5h 02m
Breeze Airways
Deal found 4/22$298
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 8/1911:24 am
SFO
-
SDF
2 stops20h 08m
Multiple Airlines
Mon 8/249:31 am
SDF
-
SFO
Nonstop5h 02m
Multiple Airlines
Deal found 4/20$300
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Tue 5/2611:14 pm
SFO
-
SDF
1 stop8h 03m
American Airlines
Thu 5/287:45 pm
SDF
-
SFO
1 stop8h 03m
American Airlines
Deal found 4/21$308
This Delta deal was found by Cheapflights users on 4/21. 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 5/2610:55 pm
SFO
-
SDF
1 stop7h 01m
Delta
Fri 5/2910:39 am
SDF
-
SFO
1 stop10h 10m
Delta
Deal found 4/21$319
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 8/1911:24 am
SFO
-
SDF
2 stops20h 08m
Multiple Airlines
Fri 8/219:31 am
SDF
-
SFO
Nonstop5h 02m
Multiple Airlines
Deal found 4/20$322

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 April 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$242
(Kiwi.com)

One-way from

$131
(Booking.com)

Popular in

January

Cheapest in

November

Average price

$496

Good round-trip deal

$398 or less

Good one-way deal

$197 or less
Provider with most accurate pricing for San Francisco-Louisville Intl flight deals.
Provider most trusted by Cheapflights users for San Francisco-Louisville Intl flights.
From San Francisco to Louisville Intl
One-way flight from San Francisco to Louisville Intl
Highest demand for flights based on searches. 22% potential increase in price ($136 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from San Francisco to Louisville Intl.
Price to beat on a one-way flight from San Francisco to Louisville Intl.

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 April 24, 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

Price

Cheapest round-trip

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Tue 5/26

10:40 pm-2:45 pm

1 stop13h 05m

Louisville Intl

Fri 5/29

5:25 pm-11:45 pm

2 stops9h 20m

$377

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Mon 7/13

11:59 pm-10:29 am

1 stop7h 30m

Louisville Intl

Mon 7/27

4:47 pm-10:49 pm

1 stop9h 02m

$379

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Wed 6/3

10:30 am-10:30 pm

1 stop9h 00m

Louisville Intl

Sun 6/7

6:30 am-12:00 pm

2 stops8h 30m

$380

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Wed 5/27

5:00 am-2:28 pm

1 stop6h 28m

Louisville Intl

Sat 5/30

5:46 pm-11:02 pm

1 stop8h 16m

$390

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Mon 8/17

11:45 pm-9:53 am

1 stop7h 08m

Louisville Intl

Sun 8/23

8:20 am-1:21 pm

1 stop8h 01m

$418

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Fri 7/10

9:56 pm-10:29 am

1 stop9h 33m

Louisville Intl

Tue 7/28

2:19 pm-8:55 pm

1 stop9h 36m

$418

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Thu 7/23

1:15 pm-12:25 am

1 stop8h 10m

Louisville Intl

Mon 7/27

6:05 pm-11:25 pm

2 stops8h 20m

$423

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Sat 10/10

6:15 am-3:45 pm

1 stop6h 30m

Louisville Intl

Tue 10/13

2:15 pm-6:48 pm

1 stop7h 33m

$457

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Thu 7/9

11:59 pm-11:51 am

1 stop8h 52m

Louisville Intl

Sat 7/18

7:55 am-2:17 pm

1 stop9h 22m

$457

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Thu 7/16

11:59 pm-11:51 am

1 stop8h 52m

Louisville Intl

Wed 7/22

8:11 am-2:44 pm

1 stop9h 33m

$457

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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

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 87 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, November is the cheapest month in which you can book a flight from San Francisco to Louisville (average of $360). Flying from San Francisco to Louisville in January is currently the most expensive (average of $666). 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 April 24, 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.

How much does it cost to fly round-trip from San Francisco to Louisville?

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 24, 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.

Entertainment

6.6

Boarding

8.3

Crew

8.7

Comfort

8.2

Food

6.6

Overall

8.1

Reviews

1 / 18
4.0
Okay

Lisa,Mar 2026

ORF - JAX

*Flight was delayed twice *Once plane arrived crew closed the entryway to discuss whatever, leaving us to wait again. *Finally arriving Jax, we were delayed again for 20 minutes because another plane at the gate hadn’t pushed back Overall, score 2 out of 5. Lots of passengers upset.

Entertainment

6.6

Boarding

8.3

Crew

8.7

Comfort

8.2

Food

6.6

Overall

8.1

Reviews

1 / 18
4.0
Okay

Lisa,Mar 2026

ORF - JAX

*Flight was delayed twice *Once plane arrived crew closed the entryway to discuss whatever, leaving us to wait again. *Finally arriving Jax, we were delayed again for 20 minutes because another plane at the gate hadn’t pushed back Overall, score 2 out of 5. Lots of passengers upset.

Entertainment

6.6

Boarding

8.3

Crew

8.7

Comfort

8.2

Food

6.6

Overall

8.1

Reviews

1 / 18
4.0
Okay

Lisa,Mar 2026

ORF - JAX

*Flight was delayed twice *Once plane arrived crew closed the entryway to discuss whatever, leaving us to wait again. *Finally arriving Jax, we were delayed again for 20 minutes because another plane at the gate hadn’t pushed back Overall, score 2 out of 5. Lots of passengers upset.

Entertainment

6.6

Boarding

8.3

Crew

8.7

Comfort

8.2

Food

6.6

Overall

8.1

Reviews

1 / 18
4.0
Okay

Lisa,Mar 2026

ORF - JAX

*Flight was delayed twice *Once plane arrived crew closed the entryway to discuss whatever, leaving us to wait again. *Finally arriving Jax, we were delayed again for 20 minutes because another plane at the gate hadn’t pushed back Overall, score 2 out of 5. Lots of passengers upset.

Entertainment

6.6

Boarding

8.3

Crew

8.7

Comfort

8.2

Food

6.6

Overall

8.1

Reviews

1 / 18
4.0
Okay

Lisa,Mar 2026

ORF - JAX

*Flight was delayed twice *Once plane arrived crew closed the entryway to discuss whatever, leaving us to wait again. *Finally arriving Jax, we were delayed again for 20 minutes because another plane at the gate hadn’t pushed back Overall, score 2 out of 5. Lots of passengers upset.

Entertainment

6.6

Boarding

8.3

Crew

8.7

Comfort

8.2

Food

6.6

Overall

8.1

Reviews

1 / 18
4.0
Okay

Lisa,Mar 2026

ORF - JAX

*Flight was delayed twice *Once plane arrived crew closed the entryway to discuss whatever, leaving us to wait again. *Finally arriving Jax, we were delayed again for 20 minutes because another plane at the gate hadn’t pushed back Overall, score 2 out of 5. Lots of passengers upset.

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.
  • What airports do I use to fly from San Francisco to Louisville?

    Booking a flight from San Francisco (SFO) to Louisville Intl (SDF) is your only option if you wish to fly from San Francisco to Louisville. On a typical day, there is 1 flight from San Francisco to Louisville Intl, all of which are around 4h 30m for a nonstop flight. You can also purchase a plane ticket from 6 airlines when you book a flight from San Francisco to Louisville.

  • How popular is this San Francisco to Louisville flight route?

  • How long is the flight from San Francisco to Louisville?

    There are many flights that can get you from San Francisco to Louisville in 6h 28m. Fly via Southwest, Delta, or United Airlines to get the fastest option. Airlines will cover a distance of 1984 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Francisco to Louisville round-trip?

    Currently priced at $129, Breeze Airways will fly you from San Francisco to Louisville and back. In addition to Breeze Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $169 and $217, respectively. Users have found that Breeze Airways is 71% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Francisco to Louisville one-way?

    The cheapest airlines for a one-way flight from San Francisco to Louisville are Breeze Airways ($99), Delta ($177), and United Airlines ($177).

  • What are the cheapest flights from San Francisco to Louisville?

    Looking at all options, your cheapest flight can be booked for $192. While the most popular route (San Francisco - Louisville Intl) can be booked for $290 on average, our data indicates $373 when flying from San Francisco to Louisville.

  • Can I find deals for flights from San Francisco to Louisville that include hotel bookings?

    Yes. In addition to deals on San Francisco to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Louisville.

  • Can I find deals for business class flights from San Francisco to Louisville?

    Yes. Cheapflights offers flight deals from San Francisco to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Louisville?

    Currently, November is the cheapest month in which you can book a flight from San Francisco to Louisville (average of $360). Flying from San Francisco to Louisville in January is currently the most expensive (average of $666). 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.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Elizabethtown
Corydon
Jeffersonville
Bardstown

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to Louisville

See prices for flight routes from nearby airports that may be better suited for you.

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 April 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$129Average$283FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$169Average$488FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$217Average$560FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$266Average$455FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$294Average$451FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$358Average$477FlexibilityNo cancel feeOn-time62%

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