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$113+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SFO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Louisville Intl to San Francisco are usually found in August or October, booked 69 days in advance, depart on a Monday or Thursday and return on a Wednesday

Cheap 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 June 12, 2025.

Round-trip from

$178
(Breeze Airways)

One-way from

$118
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$446

Good round-trip deal

$234 or less

Good one-way deal

$198 or less
From Louisville Intl to San Francisco
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One-way flight from Louisville Intl to San Francisco
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Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 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 Louisville Intl to San Francisco.
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Price to beat on a one-way flight from Louisville Intl to San Francisco.
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Find flight deals from Louisville to San Francisco

Cheapest flights from Louisville to San Francisco
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 June 12, 2025.

This Breeze Airways deal was found by Cheapflights users on 6/12. 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.
Mon 9/229:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
Mon 9/2912:47 pmSFO - SDF
Nonstop4h 25mBreeze Airways
Deal found 6/12$178
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/68:00 amSDF - SFO
1 stop8h 09mUnited Airlines
Tue 8/125:00 amSFO - SDF
1 stop6h 23mUnited Airlines
Deal found 6/12$255
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1112:26 pmSDF - SFO
1 stop9h 03mAmerican Airlines
Sat 11/157:30 amSFO - SDF
1 stop6h 55mAmerican Airlines
Deal found 6/11$263
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/123:20 pmSDF - SFO
2 stops9h 20mSouthwest
Wed 8/137:50 amSFO - SDF
2 stops10h 05mSouthwest
Deal found 6/11$265
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/96:00 amSDF - SFO
1 stop7h 12mDelta
Fri 8/1512:40 amSFO - SDF
1 stop8h 18mDelta
Deal found 6/11$277
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/269:43 amSDF - SFO
Nonstop5h 19mMultiple Airlines
Wed 10/19:34 amSFO - SDF
1 stop9h 48mMultiple Airlines
Deal found 6/10$320
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.
Fri 6/2710:10 amSDF - SFO
1 stop28h 10mSun Country Air
Sun 6/2911:59 pmSFO - SDF
1 stop7h 28mSun Country Air
Deal found 6/11$395

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 June 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

Mon 9/22

9:43 am-12:02 pm

Nonstop5h 19m

San Francisco

Mon 9/29

12:47 pm-8:12 pm

Nonstop4h 25m

$178

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Wed 8/6

8:00 am-1:09 pm

1 stop8h 09m

San Francisco

Tue 8/12

5:00 am-2:23 pm

1 stop6h 23m

$255

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Tue 11/11

5:41 am-11:56 am

1 stop9h 15m

San Francisco

Fri 11/14

12:31 am-10:38 am

1 stop7h 07m

$263

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Tue 8/12

3:20 pm-9:40 pm

2 stops9h 20m

San Francisco

Wed 8/13

7:50 am-8:55 pm

2 stops10h 05m

$265

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Sat 8/9

6:00 am-10:12 am

1 stop7h 12m

San Francisco

Fri 8/15

12:40 am-11:58 am

1 stop8h 18m

$277

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Fri 9/26

9:43 am-12:02 pm

Nonstop5h 19m

San Francisco

Wed 10/1

9:34 am-10:22 pm

1 stop9h 48m

$320

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Fri 6/27

10:10 am-11:20 am

1 stop28h 10m

San Francisco

Sun 6/29

11:59 pm-10:27 am

1 stop7h 28m

$395

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Fri 10/31

9:43 am-12:02 pm

Nonstop5h 19m

$113

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Thu 8/7

8:31 am-2:48 pm

1 stop9h 17m

$128

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Fri 6/27

10:10 am-11:20 am

1 stop28h 10m

$168

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 15 results
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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 June 9, 2025.

The best time to book flights from Louisville to San Francisco is 69 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, January is the cheapest month in which you can book a flight from Louisville to San Francisco (average of $276). Flying from Louisville to San Francisco in June is currently the most expensive (average of $364). 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 June 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 June 8, 2025.

Travelers seeking maximum savings on their Louisville to San Francisco flight should consider departing on Monday 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.

Rainfall in San Francisco by month

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

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

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

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 June 12, 2025.
Breeze Airways
8.1
Very good
178 reviews

Food

6.7

Overall

8.1

Comfort

8.2

Entertainment

6.6

Boarding

8.3

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

Food

6.7

Overall

8.1

Comfort

8.2

Entertainment

6.6

Boarding

8.3

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

Food

6.7

Overall

8.1

Comfort

8.2

Entertainment

6.6

Boarding

8.3

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

Food

6.7

Overall

8.1

Comfort

8.2

Entertainment

6.6

Boarding

8.3

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!
Qatar Airways
7.4
Good
3,584 reviews
Breeze Airways
8.1
Very good
178 reviews

Food

6.7

Overall

8.1

Comfort

8.2

Entertainment

6.6

Boarding

8.3

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

Food

6.7

Overall

8.1

Comfort

8.2

Entertainment

6.6

Boarding

8.3

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 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.

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

    This flight path from Louisville Intl to San Francisco was viewed by 1 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 Louisville to San Francisco round-trip?

    According to our current data, Breeze Airways ($178), United Airlines ($255), and American Airlines ($263) offers the cheapest pricing from Louisville to San Francisco. Breeze Airways is currently priced 51% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Breeze Airways. According to our data, you can fly for as low as $118. Users have also found prices from $128 and $168 on American Airlines and Sun Country Air, respectively.

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

    Looking for the cheapest flight from Louisville to San Francisco? While on average our users pay $270, our data indicates the cheapest price to be $100. The most popular route (Louisville Intl - San Francisco), is priced around $182.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville to San Francisco 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 Louisville to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Louisville to San Francisco (average of $276). Flying from Louisville to San Francisco in June is currently the most expensive (average of $364). 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
Roseville
Mountain View
South San Francisco
Livermore
Turlock
Santa Cruz
Manteca
Fairfield
Watsonville
Antioch
Hollister
Milpitas
Newark
Hayward
Alameda
Sunnyvale
Daly City
Union City
Campbell
Capitola

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$158Average$267FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$228Average$377FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$262Average$416FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$281Average$490FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$345Average$430FlexibilityNo cancel feeOn-time63%

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