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 $234, 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 Sun Country Air - these airlines can fly you to your destination from $285 and $305, respectively. Users have found that Breeze Airways is 44% 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 ($125), Delta ($143), and Sun Country Air ($163).

What is the cheapest day to fly from San Francisco to Louisville?

Travelers seeking maximum savings on their San Francisco to Louisville flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What are the cheapest flights from San Francisco to Louisville?

Looking at all options, your cheapest flight can be booked for $86. While the most popular route (San Francisco - Louisville Intl) can be booked for $204 on average our data indicates $315 when flying from San Francisco to Louisville.

What are the most popular airlines that fly from San Francisco to Louisville?

When booking a flight from San Francisco to Louisville, you may want to consider flying on American Airlines, Delta or Breeze Airways as they are the most popular for this route.

What is the cheapest day to fly round-trip from San Francisco to Louisville?

Flying to your destination on a Monday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Louisville. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from San Francisco to Louisville?

To save on the cost of your flight from San Francisco to Louisville, book at least 53 days before your planned departure. Booking around this time can save you about 90% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $301 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $301.

What is the cheapest month to fly from San Francisco to Louisville?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Louisville. Flights to Louisville from San Francisco in September are about $422 on average during September, but can be found for as low as $158.

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 eDreams the most. eDreams 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.

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.

$110+ Flights from San Francisco to Louisville - Compare & Save Big

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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 52 days in advance, depart on a Saturday or Friday and return on a Wednesday

Cheap flight deals from San Francisco to Louisville

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$234 (CheapOair)
One-way from	$110 (Trip.com)
Popular in	December
Cheapest in	September
Average price	$432
Good round-trip deal	$224 or less
Good one-way deal	$134 or less

Provider with most accurate pricing for San Francisco-Louisville Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for San Francisco-Louisville Intl flights.

Search Deals

From San Francisco to Louisville Intl

Search Deals

One-way flight from San Francisco to Louisville Intl

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($44 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

Price to beat on a round-trip flight from San Francisco to Louisville Intl.

Search Deals

Price to beat on a one-way flight from San Francisco to Louisville Intl.

Search Deals

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 May 1, 2025.

Fri 5/3012:29 pmSFO - SDF

Nonstop4h 26mBreeze Airways

Mon 6/29:37 amSDF - SFO

Nonstop5h 07mBreeze Airways

Deal found 4/30

$234

Mon 6/212:40 amSFO - SDF

1 stop8h 21mDelta

Tue 7/16:00 amSDF - SFO

1 stop7h 15mDelta

Deal found 4/30

$285

Fri 5/3012:29 pmSFO - SDF

Nonstop4h 26mMultiple Airlines

Mon 6/212:24 pmSDF - SFO

1 stop7h 43mMultiple Airlines

Deal found 4/30

$300

Sun 6/16:09 pmSFO - SDF

1 stop14h 16mSun Country Air

Mon 6/3011:22 amSDF - SFO

1 stop14h 31mSun Country Air

Deal found 4/30

$305

Mon 8/1111:05 amSFO - SDF

2 stops9h 35mSouthwest

Wed 8/2011:50 amSDF - SFO

1 stop9h 30mSouthwest

Deal found 4/29

$330

Fri 5/231:35 pmSFO - SDF

1 stop7h 43mAmerican Airlines

Sat 5/241:58 pmSDF - SFO

1 stop8h 18mAmerican Airlines

Deal found 4/30

$342

Tue 5/2012:43 amSFO - SDF

1 stop9h 42mUnited Airlines

Tue 5/277:00 amSDF - SFO

1 stop7h 39mUnited Airlines

Deal found 4/30

$375

Fri 5/306:00 amSFO - SDF

2 stops14h 44mAlaska Airlines

Mon 6/25:17 pmSDF - SFO

1 stop8h 32mAlaska Airlines

Deal found 4/30

$573

Best flights from San Francisco to Louisville
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 May 1, 2025.

Fri 5/3012:29 pmSFO - SDF

Nonstop4h 26mBreeze Airways

Mon 6/29:37 amSDF - SFO

Nonstop5h 07mBreeze Airways

Deal found 4/30

$234

Mon 6/212:40 amSFO - SDF

1 stop8h 21mDelta

Wed 7/26:05 amSDF - SFO

1 stop10h 10mDelta

Deal found 4/30

$285

Fri 5/3012:29 pmSFO - SDF

Nonstop4h 26mMultiple Airlines

Mon 6/212:24 pmSDF - SFO

1 stop7h 43mMultiple Airlines

Deal found 4/30

$300

Sun 6/16:09 pmSFO - SDF

1 stop14h 16mSun Country Air

Mon 6/3011:22 amSDF - SFO

1 stop14h 31mSun Country Air

Deal found 4/30

$305

Fri 5/231:35 pmSFO - SDF

1 stop7h 43mAmerican Airlines

Sat 5/241:58 pmSDF - SFO

1 stop8h 18mAmerican Airlines

Deal found 4/30

$342

Tue 6/109:00 pmSFO - SDF

1 stop12h 20mSouthwest

Thu 6/193:55 pmSDF - SFO

2 stops8h 30mSouthwest

Deal found 4/29

$352

Tue 5/2012:43 amSFO - SDF

1 stop9h 42mUnited Airlines

Wed 5/286:00 pmSDF - SFO

1 stop7h 38mUnited Airlines

Deal found 4/30

$375

Fri 5/306:00 amSFO - SDF

2 stops14h 44mAlaska Airlines

Mon 6/25:17 pmSDF - SFO

1 stop8h 32mAlaska Airlines

Deal found 4/30

$573

Last-minute flights from San Francisco to Louisville
Discover last-minute flight deals from San Francisco to Louisville. Data last updated May 1, 2025 and is based on user searches.

Mon 5/512:29 pmSFO - SDF

Nonstop4h 26mBreeze Airways

Mon 5/129:37 amSDF - SFO

Nonstop5h 07mBreeze Airways

Deal found 4/30

$313

Mon 5/59:00 amSFO - SDF

2 stops11h 44mAlaska Airlines

Mon 5/125:17 pmSDF - SFO

1 stop7h 40mAlaska Airlines

Deal found 4/30

$942

Thu 5/812:21 amSFO - SDF

1 stop8h 20mAmerican Airlines

Thu 5/156:00 amSDF - SFO

1 stop8h 23mAmerican Airlines

Deal found 4/30

$732

Fri 5/911:20 pmSFO - SDF

1 stop11h 05mUnited Airlines

Thu 5/158:00 amSDF - SFO

1 stop8h 16mUnited Airlines

Deal found 4/30

$656

Tue 5/2012:43 amSFO - SDF

1 stop9h 42mUnited Airlines

Wed 5/286:00 pmSDF - SFO

1 stop7h 38mUnited Airlines

Deal found 4/30

$375

Wed 5/216:09 pmSFO - SDF

1 stop13h 34mSun Country Air

Fri 5/306:48 pmSDF - SFO

1 stop25h 25mSun Country Air

Deal found 4/30

$325

Fri 5/231:35 pmSFO - SDF

1 stop7h 43mAmerican Airlines

Sat 5/241:58 pmSDF - SFO

1 stop8h 18mAmerican Airlines

Deal found 4/30

$342

Fri 5/3012:29 pmSFO - SDF

Nonstop4h 26mBreeze Airways

Mon 6/29:37 amSDF - SFO

Nonstop5h 07mBreeze Airways

Deal found 4/30

$234

Fri 5/3012:29 pmSFO - SDF

Nonstop4h 26mMultiple Airlines

Mon 6/212:24 pmSDF - SFO

1 stop7h 43mMultiple Airlines

Deal found 4/30

$300

Fri 5/3012:40 amSFO - SDF

1 stop8h 21mDelta

Tue 7/16:05 amSDF - SFO

1 stop7h 54mDelta

Deal found 4/30

$314

Fri 5/308:00 amSFO - SDF

2 stops12h 10mSouthwest

Fri 6/68:35 pmSDF - SFO

1 stop6h 35mSouthwest

Deal found 4/30

$392

Fri 5/306:00 amSFO - SDF

2 stops14h 44mAlaska Airlines

Mon 6/25:17 pmSDF - SFO

1 stop8h 32mAlaska Airlines

Deal found 4/30

$573

One-way flights from San Francisco to Louisville
Search for one-way flight options from San Francisco to Louisville. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Fri 6/610:11 pmSFO - SDF

1 stop13h 29mMultiple Airlines

Deal found 4/30

$110

Fri 5/3012:29 pmSFO - SDF

Nonstop4h 26mBreeze Airways

Deal found 4/30

$125

Mon 6/212:40 amSFO - SDF

1 stop8h 21mDelta

Deal found 4/30

$143

Thu 6/195:56 pmSFO - SDF

1 stop14h 17mSun Country Air

Deal found 4/30

$163

Tue 6/35:15 amSFO - SDF

1 stop7h 15mSouthwest

Deal found 4/30

$170

Wed 5/2812:21 amSFO - SDF

1 stop8h 20mAmerican Airlines

Deal found 4/30

$172

Tue 5/2012:43 amSFO - SDF

1 stop9h 42mUnited Airlines

Deal found 4/30

$188

Tue 5/69:00 amSFO - SDF

2 stops11h 44mAlaska Airlines

Deal found 4/30

$395

Cheapflights Fare Finder

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

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Fri 5/30

12:29 pm-7:55 pm

Nonstop4h 26m

Louisville Intl

Mon 6/2

9:37 am-11:44 am

Nonstop5h 07m

$234

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Mon 6/2

12:40 am-12:01 pm

1 stop8h 21m

Louisville Intl

Wed 7/2

6:05 am-1:15 pm

1 stop10h 10m

$285

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Fri 5/30

12:29 pm-7:55 pm

Nonstop4h 26m

Louisville Intl

Mon 6/2

12:24 pm-5:07 pm

1 stop7h 43m

$300

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Sun 6/1

6:09 pm-11:25 am

1 stop14h 16m

Louisville Intl

Mon 6/30

11:22 am-10:53 pm

1 stop14h 31m

$305

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Fri 5/23

1:35 pm-12:18 am

1 stop7h 43m

Louisville Intl

Sat 5/24

1:58 pm-7:16 pm

1 stop8h 18m

$342

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Tue 6/10

9:00 pm-12:20 pm

1 stop12h 20m

Louisville Intl

Thu 6/19

3:55 pm-9:25 pm

2 stops8h 30m

$352

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Tue 5/20

12:43 am-1:25 pm

1 stop9h 42m

Louisville Intl

Wed 5/28

6:00 pm-10:38 pm

1 stop7h 38m

$375

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Fri 5/30

6:00 am-11:44 pm

2 stops14h 44m

Louisville Intl

Mon 6/2

5:17 pm-10:49 pm

1 stop8h 32m

$573

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Fri 6/6

10:11 pm-2:40 pm

1 stop13h 29m

$110

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Fri 5/30

12:29 pm-7:55 pm

Nonstop4h 26m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 16 results

Compare providers for flights from San Francisco to Louisville

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 May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust 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 eDreams the most. eDreams 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 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?

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

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

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

See what other customers who have flown with Breeze Airways, Alaska Airlines and Southwest 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

160 reviews

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

160 reviews

Breeze Airways

8.1

Very good

160 reviews

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!

Alaska Airlines

8.0

Very good

9,972 reviews

Breeze Airways

8.1

Very good

160 reviews

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

4,294 reviews

Breeze Airways

8.1

Very good

160 reviews

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

7,934 reviews

Breeze Airways

8.1

Very good

160 reviews

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

8,696 reviews

Breeze Airways

8.1

Very good

160 reviews

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

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 $234, 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 Sun Country Air - these airlines can fly you to your destination from $285 and $305, respectively. Users have found that Breeze Airways is 44% 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 ($125), Delta ($143), 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 $86. While the most popular route (San Francisco - Louisville Intl) can be booked for $204 on average our data indicates $315 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

Jeffersonville

Corydon

Elizabethtown

Bardstown

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for San Francisco to Louisville

Los Angeles to Nashville flights

San Francisco to Nashville flights

Ontario to Nashville flights

Santa Ana to Nashville flights

Burbank to Nashville flights

San Diego to Nashville flights

Los Angeles to Cincinnati flights

Sacramento to Nashville flights

Las Vegas to Nashville flights

Oakland to Nashville flights

San Jose to Nashville flights

Long Beach to Nashville flights

Ontario to Cincinnati flights

Santa Ana to Cincinnati flights

Los Angeles to Lexington flights

San Francisco to Cincinnati flights

San Diego to Knoxville flights

Los Angeles to Knoxville flights

San Francisco to Knoxville flights

Fresno to Nashville flights

Las Vegas to Cincinnati flights

Ontario to Louisville flights

Ontario to Knoxville flights

Las Vegas to Knoxville flights

San Jose to Cincinnati flights

Sacramento to Knoxville flights

Sacramento to Cincinnati flights

Ontario to Lexington flights

Oakland to Cincinnati flights

Los Angeles to Louisville flights

San Diego to Cincinnati flights

Palm Springs to Nashville flights

Santa Ana to Lexington flights

Reno to Cincinnati flights

Santa Ana to Knoxville flights

San Francisco to Lexington flights

Las Vegas to Lexington flights

San Jose to Knoxville flights

Burbank to Cincinnati flights

Reno to Nashville flights

Fresno to Lexington flights

Las Vegas to Louisville flights

Fresno to Louisville flights

Bakersfield to Nashville flights

Sacramento to Lexington flights

Reno to Knoxville flights

Santa Rosa to Nashville flights

Santa Barbara to Nashville flights

Fresno to Knoxville flights

Complete your trip

Louisville car rentals

Cincinnati Cinci./N. Kentucky Airport car rentals

Louisville Intl Airport car rentals

Lexington Blue Grass Airport car rentals

Evansville Dress Regional Airport car rentals

Cincinnati Airport car rentals

Owensboro Daviess County Airport car rentals

Lexington car rentals

Paducah car rentals

Beechmont car rentals

Centrum car rentals

Other flights to Louisville

Top 5 airlines flying from San Francisco to Louisville

Airline	Cheapest	Average	Flexibility	On-time
Breeze Airways	Cheapest$158	Average$294	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$228	Average$432	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$265	Average$462	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$304	Average$568	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$348	Average$476	FlexibilityNo cancel fee	On-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$110+ 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Francisco to Louisville with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Saturday or Friday and return on a Wednesday

Cheap flight deals from San Francisco to Louisville

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from San Francisco to Louisville

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 May 1, 2025.

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 May 1, 2025.

Cheapflights Fare Finder

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

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 May.

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.

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 April 25, 2025.

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

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 May 1, 2025.

Rainfall in Louisville by month

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

Temperature in Louisville by month

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

Reviews of airlines servicing Louisville

See what other customers who have flown with Breeze Airways, Alaska Airlines and Southwest 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.

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?

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

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

What are the cheapest flights from San Francisco to Louisville?

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

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

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

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

Traveling to a place near San Francisco?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Louisville

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

Top 5 airlines flying from San Francisco to Louisville

100% Free

Book with Flexibility

Travel Smart

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 May 1, 2025.