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$109+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SDF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Louisville Intl are usually found in September or August, booked 52 days in advance, depart on a Wednesday or Saturday and return on a Monday

Cheap 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 June 12, 2025.

Round-trip from

$218
(CheapOair)

One-way from

$109
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$423

Good round-trip deal

$239 or less

Good one-way deal

$125 or less
From San Francisco to Louisville Intl
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One-way flight from San Francisco to Louisville Intl
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Highest demand for flights based on searches. 9% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from San Francisco to Louisville Intl.
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Price to beat on a one-way flight from San Francisco to Louisville Intl.
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Find 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 June 12, 2025.

This CheapOair deal was found by Cheapflights users on 6/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1912:47 pmSFO - SDF
Nonstop4h 25mBreeze Airways
Mon 9/229:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
Deal found 6/11$182
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Wed 9/1011:59 pmSFO - SDF
1 stop7h 03mUnited Airlines
Tue 9/163:30 pmSDF - SFO
1 stop8h 33mUnited Airlines
Deal found 6/9$255
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/147:15 amSFO - SDF
1 stop7h 25mSouthwest
Tue 8/193:20 pmSDF - SFO
2 stops9h 20mSouthwest
Deal found 6/10$260
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/612:47 amSFO - SDF
1 stop9h 46mAmerican Airlines
Sat 10/118:19 pmSDF - SFO
1 stop6h 58mAmerican Airlines
Deal found 6/10$263
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/812:35 amSFO - SDF
1 stop8h 23mDelta
Tue 9/168:20 amSDF - SFO
1 stop8h 44mDelta
Deal found 6/9$277
This Sun Country Air deal was found by Cheapflights users on 6/11. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/101:02 pmSFO - SDF
1 stop19h 13mSun Country Air
Sun 9/146:33 pmSDF - SFO
1 stop25h 45mSun Country Air
Deal found 6/11$325
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/19:45 amSFO - SDF
1 stop9h 08mMultiple Airlines
Mon 8/119:37 amSDF - SFO
Nonstop5h 07mMultiple Airlines
Deal found 6/11$366

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 June 12, 2025.
Use the filters below to find and compare flights from San Francisco to Louisville that are best for you.

Fly from

San Francisco

Fly to

Louisville

Route

Depart

Return

Price

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Fri 8/8

12:29 pm-7:55 pm

Nonstop4h 26m

Louisville Intl

Mon 8/11

9:37 am-11:44 am

Nonstop5h 07m

$218

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Wed 9/10

11:59 pm-10:02 am

1 stop7h 03m

Louisville Intl

Tue 9/16

3:30 pm-9:03 pm

1 stop8h 33m

$255

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Thu 8/14

7:15 am-5:40 pm

1 stop7h 25m

Louisville Intl

Tue 8/19

3:20 pm-9:40 pm

2 stops9h 20m

$260

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Mon 9/8

12:35 am-11:58 am

1 stop8h 23m

Louisville Intl

Tue 9/16

8:20 am-2:04 pm

1 stop8h 44m

$277

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Mon 8/4

11:59 pm-12:07 pm

1 stop9h 08m

Louisville Intl

Fri 8/15

10:00 am-2:27 pm

1 stop7h 27m

$296

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Wed 9/10

1:02 pm-11:15 am

1 stop19h 13m

Louisville Intl

Sun 9/14

6:33 pm-5:18 pm

1 stop25h 45m

$325

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Fri 8/1

9:45 am-9:53 pm

1 stop9h 08m

Louisville Intl

Mon 8/11

9:37 am-11:44 am

Nonstop5h 07m

$366

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Fri 7/4

12:29 pm-7:55 pm

Nonstop4h 26m

$109

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Sun 8/10

12:45 am-11:44 am

1 stop7h 59m

$128

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Sat 6/28

11:19 am-6:35 pm

1 stop28h 16m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 14 results
1
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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?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Louisville. Price data was last updated on June 9, 2025.

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 52 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, January is the cheapest month in which you can book a flight from San Francisco to Louisville (average of $299). Flying from San Francisco to Louisville in April is currently the most expensive (average of $369). 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 June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Louisville in the afternoon. If you’re flexible enough to do this you can expect to save up to 54% on your trip compared to booking a flight in the evening.

Rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

Plan your trip to Louisville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 12, 2025.
See what other customers who have flown with Breeze Airways, Southwest and Delta from San Francisco to Louisville have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
178 reviews

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Entertainment

6.6

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
178 reviews
Breeze Airways
8.1
Very good
178 reviews

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Entertainment

6.6

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,287 reviews
Breeze Airways
8.1
Very good
178 reviews

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Entertainment

6.6

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Delta
8.0
Very good
7,950 reviews
Breeze Airways
8.1
Very good
178 reviews

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Entertainment

6.6

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
United Airlines
7.4
Good
8,790 reviews
Breeze Airways
8.1
Very good
178 reviews

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Entertainment

6.6

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
American Airlines
7.2
Good
10,000 reviews
Breeze Airways
8.1
Very good
178 reviews

Boarding

8.3

Comfort

8.2

Food

6.7

Overall

8.1

Entertainment

6.6

Crew

8.8

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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.

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

    This flight path from San Francisco to Louisville Intl was viewed by 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at $218, 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 United Airlines and Southwest - these airlines can fly you to your destination from $255 and $260, respectively. Users have found that Breeze Airways is 48% 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 ($109), American Airlines ($128), and Sun Country Air ($163).

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

    Looking at all options, your cheapest flight can be booked for $112. While the most popular route (San Francisco - Louisville Intl) can be booked for $182 on average our data indicates $319 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, January is the cheapest month in which you can book a flight from San Francisco to Louisville (average of $299). Flying from San Francisco to Louisville in April is currently the most expensive (average of $369). 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 San Francisco?

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

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Top 5 airlines flying from San Francisco to Louisville

Discover the top 5 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$156Average$281FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$228Average$432FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$264Average$451FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$304Average$560FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$348Average$477FlexibilityNo cancel feeOn-time63%

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