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$149+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SDF
Jan 11 — Jan 181
Sat 1/11
Sat 1/18
1 adult, Economy
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The best prices from San Francisco to Louisville Intl are usually found in January or August, booked 73 days in advance, depart on a Friday or Monday and return on a Friday

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 January 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$274
(United Airlines)

One-way from

$149
(Delta)

Popular in

December

Cheapest in

January

Average price

$242
Provider with most accurate pricing for San Francisco-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Louisville Intl flights.
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From San Francisco to Louisville Intl
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One-way flight from San Francisco to Louisville Intl
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High demand for flights, 6% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in January 2025
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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 January 6, 2025.

This United Airlines deal was found by Cheapflights users on 1/5. 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.
Mon 1/139:10 amSFO - SDF
1 stop7h 23mUnited Airlines
Mon 1/207:00 amSDF - SFO
1 stop9h 48mUnited Airlines
Deal found 1/5$274
This Delta deal was found by Cheapflights users on 1/5. 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 2/310:45 pmSFO - SDF
1 stop9h 46mDelta
Mon 2/102:43 pmSDF - SFO
1 stop8h 34mDelta
Deal found 1/5$277
This American Airlines deal was found by Cheapflights users on 1/5. 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 2/35:55 amSFO - SDF
2 stops8h 24mAmerican Airlines
Mon 2/103:41 pmSDF - SFO
1 stop8h 31mAmerican Airlines
Deal found 1/5$308
This eSky Business deal was found by Cheapflights users on 1/5. 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 eSky Business is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/227:43 pmSFO - SDF
2 stops25h 03mMultiple Airlines
Fri 2/286:12 pmSDF - SFO
2 stops33h 31mMultiple Airlines
Deal found 1/5$326
This Southwest deal was found by Cheapflights users on 1/5. 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 2/227:50 amSFO - SDF
2 stops11h 40mSouthwest
Fri 2/282:45 pmSDF - SFO
1 stop12h 00mSouthwest
Deal found 1/5$392

Find flights from San Francisco to Louisville within your budget

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 January 6, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Mon 2/3

10:45 pm-11:31 am

1 stop9h 46m

Louisville Intl

Mon 2/10

2:43 pm-8:17 pm

1 stop8h 34m

$277

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Mon 2/3

5:55 am-5:19 pm

2 stops8h 24m

Louisville Intl

Mon 2/10

3:41 pm-9:12 pm

1 stop8h 31m

$308

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Fri 2/7

11:05 am-10:00 pm

1 stop7h 55m

Louisville Intl

Mon 2/10

2:00 pm-10:59 pm

2 stops11h 59m

$324

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Sat 2/22

7:43 pm-11:46 pm

2 stops25h 03m

Louisville Intl

Fri 2/28

6:12 pm-12:43 am

2 stops33h 31m

$326

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Sat 2/22

7:50 am-10:30 pm

2 stops11h 40m

Louisville Intl

Fri 2/28

2:45 pm-11:45 pm

1 stop12h 00m

$392

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Tue 6/17

6:03 am-5:35 pm

1 stop8h 32m

$209

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Tue 6/17

5:10 am-7:05 pm

2 stops10h 55m

$214

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Sat 1/11

5:55 am-5:38 pm

1 stop8h 43m

$280

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Sun 1/12

6:00 am-10:00 pm

2 stops13h 00m

$330

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Sun 4/6

10:48 am-11:53 pm

2 stops10h 05m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 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.

Travel insights for flights from San Francisco to Louisville

Get recent, data-driven insights about flights from San Francisco to Louisville including ideal travel times, pricing trends, and more.

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 January 3, 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 73 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 January 6, 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 January 6, 2025.
See what other customers who have flown with Delta, American 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.
Southwest
8.1
Very good
4,663 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,663 reviews
Southwest
8.1
Very good
4,663 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,617 reviews
Southwest
8.1
Very good
4,663 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,513 reviews
Southwest
8.1
Very good
4,663 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
8,940 reviews
Southwest
8.1
Very good
4,663 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,663 reviews

Comfort

8.1

Crew

8.7

Food

7.2

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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 9 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 $274, United Airlines will fly you from San Francisco to Louisville and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and American Airlines - these airlines can fly you to your destination from $277 and $308, respectively. Users have found that United Airlines is 26% 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 Delta ($149), United Airlines ($259), and American Airlines ($264).

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

    Looking at all options, your cheapest flight can be booked for $104. While the most popular route (San Francisco - Louisville Intl) can be booked for $164 on average our data indicates $352 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

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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 January 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$154Average$277FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$227Average$353FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$244Average$437FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$262Average$543FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$362Average$547FlexibilityNo cancel feeOn-time63%
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