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Cheap Flights from San Francisco (SFO) to Louisville (SDF)

View AU$205 flight on Fri, 4 Sept 2026Opens in a new window

Flight 1

Popular airlines from San Francisco International Airport (SFO) to Louisville International Airport (SDF)

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Cheap Flights from San Francisco (SFO) to Louisville (SDF)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.) cost?
You can find one-way and return flights from SFO to SDF with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SFO to SDF ticket fares go up or down.
What is the cheapest month to fly from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.)?
August is typically the cheapest month to fly from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.), with average return fares around AU$580. August often sees lower prices as it's outside the peak summer travel season, leading to reduced demand. Other cheap months to fly from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.) include May and September.
Which airlines fly direct from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.)?
Only one airline offers direct flights from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.). Breeze operates 7 direct flights from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.) every week.
What is the cheapest airline that flies from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.)?
Breeze is one of the cheapest airlines offering nonstop return flights from San Francisco Intl. (SFO) to Louisville Intl. (SDF), with tickets starting from around AU$387 for flights that can be booked for departure within the next year. Breeze also offers one of the cheapest connecting return flights from San Francisco Intl. (SFO) to Louisville Intl. (SDF), with tickets starting from around AU$414. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.)?
To find a cheap flight from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.)?
The best airline to fly with from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.) will differ from traveler to traveler. If you like to fly early, Breeze offers early morning flights. If price is the most important factor, Breeze typically offers the lowest fares. United offers the most daily flights from SFO to SDF, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.)?
The cheapest months to fly from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.) are typically August and September, with return flights averaging around AU$580. While June is a popular month for travel, offering plenty of flight options, it's not the cheapest. If you're looking for the best value, aiming for August or September will help you find more affordable fares.
How many flights per day from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.)?
There are approximately 84 connecting flights per day from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.). Some common connection points include O'Hare Intl. (ORD), San Diego Intl. (SAN), and Hartsfield-Jackson Atlanta Intl. (ATL).
What is the earliest flight from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.)?
The earliest flight from San Francisco International Airport (SFO) to Louisville International Airport (SDF) typically departs around 12:05 AM local time. This flight is operated by Delta. This is a seasonal service, active only in May. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.)?
You'll generally find the most flights from San Francisco International Airport (SFO) to Louisville International Airport (SDF) on a Friday, with around 58 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, American Airlines, and Delta. Flight schedules are quite consistent throughout the week, with Friday offering only slightly more options than other days.
What are the most popular departure times for flights from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.)?
The most popular departure times for flights from San Francisco Intl. (SFO) to Louisville Intl. (SDF) are in the early morning, from 6am to 9am. Many major carriers, including American Airlines, United and Delta, offer flights during this window. Many travellers prefer these early flights as they allow you to arrive at your destination with plenty of time to spare for the day's activities.
How long does it take to fly from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.)?
When flying from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.), you have a few options. The quickest way is a nonstop flight, which typically takes around 4 hours 30 minutes. This route covers a distance of approximately 3,194 kilometres. If a nonstop isn't available, one-stop flights are common and usually take about 8 hours 18 minutes. For flights with two or more stops, you can expect the journey to be longer, typically around 11 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.
Can you fly business or first class from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.)?
You can fly business class or first class between SFO and SDF. Airlines that offer business class service on this route include:

  • Alaska Airlines
  • Delta
  • United
  • American Airlines

First class cabins are available on Alaska Airlines, Delta, United, and American Airlines.
How do I earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.) flight with Expedia?
It's easy to earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Louisville, KY (SDF) from San Francisco, CA (SFO)?
If you're planning to travel to Louisville from San Francisco Intl. (SFO), you can fly directly into Louisville Intl. (SDF). Some flights may connect through major hubs like San Diego Intl. (SAN), Sky Harbor Intl. (PHX), or Los Angeles Intl. (LAX) before reaching Louisville. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.) at the last minute?
Typically, booking a last minute flight from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.) flight and hotel package?
Securing a San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.)?
If you booked your San Francisco, CA (SFO-San Francisco Intl.) to Louisville, KY (SDF-Louisville Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Louisville Intl.
Distance
3176 km
Average flight time
8 hours 29 mins

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Your quick guide to flights from San Francisco to Louisville

Pick up great flights from San Francisco to Louisville

With Expedia, you have your pick of flights a day with 20 airlines covering flights from San Francisco to Louisville. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from San Francisco to Louisville that take around hours.

Find cheap flights from San Francisco to Louisville

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from San Francisco to Louisville around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Louisville is normally in .

Reasons to book your flight from San Francisco to Louisville with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from San Francisco to Louisville across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Louisville right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from San Francisco to Louisville

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