San Francisco

$92+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SFO
Nov 28 — Dec 51
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Find cheap flights from Louisville to San Francisco 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

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Cheapflights Tip: The best prices from Louisville Intl to San Francisco are usually found in September or November, booked 32 days in advance, depart on a Monday or Thursday and return on a Wednesday

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 October 29, 2025.

This Breeze Airways deal was found by Cheapflights users on 10/29. 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 12/89:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
Fri 12/1212:47 pmSFO - SDF
Nonstop4h 25mBreeze Airways
Deal found 10/29$178
This Priceline deal was found by Cheapflights users on 10/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
Mon 12/812:47 pmSFO - SDF
Nonstop4h 25mBreeze Airways
Deal found 10/27$193
This Breeze Airways deal was found by Cheapflights users on 10/27. 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.
Fri 12/129:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
Mon 12/1512:47 pmSFO - SDF
Nonstop4h 25mBreeze Airways
Deal found 10/27$203
This Orbitz deal was found by Cheapflights users on 10/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
Mon 11/312:47 pmSFO - SDF
Nonstop4h 25mBreeze Airways
Deal found 10/27$228
This Breeze Airways deal was found by Cheapflights users on 10/28. 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.
Fri 11/149:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
Mon 11/1712:47 pmSFO - SDF
Nonstop4h 25mBreeze Airways
Deal found 10/28$238
This Breeze Airways deal was found by Cheapflights users on 10/28. 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.
Fri 10/319:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
Fri 11/712:47 pmSFO - SDF
Nonstop4h 25mBreeze Airways
Deal found 10/28$248

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 October 29, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$178
(Breeze Airways)

One-way from

$92
(Priceline)

Popular in

June

Cheapest in

September

Average price

$372

Good round-trip deal

$218 or less

Good one-way deal

$129 or less
Provider with most accurate pricing for Louisville Intl-San Francisco flight deals.
Provider most trusted by Cheapflights users for Louisville Intl-San Francisco flights.
From Louisville Intl to San Francisco
One-way flight from Louisville Intl to San Francisco
Highest demand for flights based on searches. 8% potential increase in price ($35 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Louisville Intl to San Francisco.
Price to beat on a one-way flight from Louisville Intl to San Francisco.

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 October 29, 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 12/8

9:43 am-12:02 pm

Nonstop5h 19m

San Francisco

Fri 12/12

12:47 pm-8:12 pm

Nonstop4h 25m

$178

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Fri 12/5

9:43 am-12:02 pm

Nonstop5h 19m

San Francisco

Mon 12/8

12:47 pm-8:12 pm

Nonstop4h 25m

$198

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Fri 12/12

9:43 am-12:02 pm

Nonstop5h 19m

San Francisco

Mon 12/15

12:47 pm-8:12 pm

Nonstop4h 25m

$203

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Fri 11/14

9:43 am-12:02 pm

Nonstop5h 19m

San Francisco

Mon 11/17

12:47 pm-8:12 pm

Nonstop4h 25m

$238

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Fri 11/7

9:43 am-12:02 pm

Nonstop5h 19m

San Francisco

Fri 12/5

12:47 pm-8:12 pm

Nonstop4h 25m

$248

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Mon 11/24

9:43 am-12:02 pm

Nonstop5h 19m

San Francisco

Mon 12/1

12:47 pm-8:12 pm

Nonstop4h 25m

$288

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Mon 11/24

10:39 am-6:01 pm

1 stop10h 22m

San Francisco

Thu 11/27

5:50 am-5:23 pm

1 stop8h 33m

$317

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Mon 12/8

6:35 am-1:33 pm

1 stop9h 58m

San Francisco

Thu 12/11

12:30 am-11:57 am

1 stop8h 27m

$337

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Fri 12/12

12:37 pm-6:04 pm

1 stop8h 27m

San Francisco

Sun 12/14

12:30 am-11:57 am

1 stop8h 27m

$337

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Mon 11/24

8:00 am-1:36 pm

1 stop8h 36m

San Francisco

Mon 12/1

11:50 pm-11:32 am

1 stop8h 42m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 23 results
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Compare providers for flights from Louisville to San Francisco

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 Louisville to San Francisco in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice 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 Louisville-San Francisco flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Louisville-San Francisco flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Louisville-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-San Francisco flights, Cheapflights users trust CheapOair the most. CheapOair 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 Louisville-San Francisco 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 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 October 24, 2025.

The best time to book flights from Louisville to San Francisco is 32 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, September is the cheapest month in which you can book a flight from Louisville to San Francisco (average of $114). Flying from Louisville to San Francisco in June is currently the most expensive (average of $213). 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 October 29, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 36% 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 October 26, 2025.

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

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 October 29, 2025.
Peruse reviews from past customers who have flown with Breeze Airways, Southwest, and Delta from Louisville to San Francisco 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.

Boarding

8.3

Crew

8.7

Overall

8.1

Food

6.7

Entertainment

6.6

Comfort

8.2

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!

Boarding

8.3

Crew

8.7

Overall

8.1

Food

6.7

Entertainment

6.6

Comfort

8.2

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!

Boarding

8.3

Crew

8.7

Overall

8.1

Food

6.7

Entertainment

6.6

Comfort

8.2

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!

Boarding

8.3

Crew

8.7

Overall

8.1

Food

6.7

Entertainment

6.6

Comfort

8.2

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!

Boarding

8.3

Crew

8.7

Overall

8.1

Food

6.7

Entertainment

6.6

Comfort

8.2

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!

Boarding

8.3

Crew

8.7

Overall

8.1

Food

6.7

Entertainment

6.6

Comfort

8.2

Reviews

1 / 13
8.0
Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!

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?

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

    A quick flight from Louisville to San Francisco can take about 5h 19m. Breeze Airways provides one of the quickest options available for as low as $178. The distance from Louisville to San Francisco is about 1984 mi. Generally, flights for this route are nonstop.

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

    According to our current data, Breeze Airways ($162), Delta ($219), and Southwest ($254) offers the cheapest pricing from Louisville to San Francisco. Breeze Airways is currently priced 57% below the average price you’ll pay for this route.

  • 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 $216, our data indicates the cheapest price to be $129. The most popular route (Louisville Intl - San Francisco), is priced around $198.

  • 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, September is the cheapest month in which you can book a flight from Louisville to San Francisco (average of $114). Flying from Louisville to San Francisco in June is currently the most expensive (average of $213). 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
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Watsonville
Sunnyvale
Santa Clara
Antioch
Manteca
Vallejo
Hollister
Vacaville
San Bruno
Foster City
Redwood City
Union City
Fairfield
Burlingame
Lodi

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Louisville to San Francisco

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

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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$162Average$270FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$219Average$417FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$254Average$443FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$262Average$415FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$300Average$500FlexibilityNo cancel feeOn-time69%

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