$51 Cheap Flights from Louisville (SDF) to Los Angeles (LAX)

Popular airlines from Louisville Intl. Airport (SDF) to Los Angeles Intl. (LAX)

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Cheap Flights from Louisville to Los Angeles (SDF-LAX)

Prices were available within the past 7 days and start at $51 for one-way flights and $101 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Southwest Airlines
American Airlines
United
Sun Country Airlines

Find the cheapest month to fly from Louisville (SDF) to Los Angeles (LAX)

May is typically the cheapest month to fly

From $90 - $416 per traveler.

Graph displaying average flight prices per month

Alternative airports near Los Angeles

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Louisville (SDF) to Los Angeles (LAX)
Origin airport
Louisville Intl.
Destination airport
Los Angeles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$100
Distance
1837 mi
Average flight time
1 hour 32 mins

Louisville to Los Angeles Flights

The cheapest times to fly from Louisville to Los Angeles

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Louisville to Los Angeles are during the month of July. You can find some of the cheapest flights from Louisville to Los Angeles with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Louisville to Los Angeles

Sunday is one of the best days to book for cheap flights from Louisville to Los Angeles: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Louisville to Los Angeles

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Louisville to Los Angeles in 2025. You can also book with separate airlines for your outbound and return journeys, from $51 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Louisville to Los Angeles flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Louisville to Los Angeles airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Los Angeles Intl. Airport (LAX) cost?
Grab cheap return fares starting from $100 from Louisville Intl. Airport (SDF) to Los Angeles Intl. Airport (LAX). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Spirit Airlines flight leaving SDF on July 30 2025 and touching down at LAX. The price was last updated on July 3 2025 and has not changed since.
What is the cheapest month to fly from SDF to LAX?
The cheapest flights from SDF to LAX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SDF to LAX?
Currently, the cheapest carrier operating one-way flights from SDF to LAX is Spirit Airlines. You can take off on this route from $50. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SDF on September 28 2025. Prices were last updated on July 3 2025 and have not changed since.
How many flights per day from Louisville Intl. Airport (SDF) to Los Angeles Intl. Airport (LAX)?
There aren't any daily nonstop flights from Louisville Intl. Airport (SDF) to Los Angeles Intl. Airport (LAX). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from SDF to LAX?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from SDF to LAX?
United Airlines has the best performance for on-time direct flights from Louisville Intl. Airport (SDF) to Los Angeles Intl. Airport (LAX), with an on-time rating of 100%. Use the Expedia App to look up your flight status before you head off and get immediate updates about any changes.
What is the best time to fly from Louisville Intl. Airport (SDF) to Los Angeles Intl. Airport (LAX)?
To avoid potential delays on the Louisville Intl. Airport (SDF) to Los Angeles Intl. Airport (LAX) route, aim to fly before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Louisville Intl. Airport (SDF) to Los Angeles Intl. Airport (LAX) last-minute?
Booking your flight from SDF to LAX shortly before your getaway is usually more expensive. However, if there's some wiggle room with your departure dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a SDF to LAX flight and hotel package?
Compared with arranging hotels and flights separately, booking a SDF to LAX flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place will take the hassle out of travel planning. Simply secure your flights and select from our wide range of stays, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Los Angeles Intl. Airport (LAX)?
Typically, you're able to cancel or reschedule your SDF to LAX flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need further information, visit our Customer Service portal.

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*Available to One Key members.