Cheap Flights from Riverside (RAL) to Louisville (SDF)

Popular airlines from Riverside, CA (RAL-Riverside Municipal) to Louisville Intl. Airport (SDF)

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Frequently asked questions

How much does a flight from Riverside, CA (RAL-Riverside Municipal) to Louisville Intl. Airport (SDF) cost?
Get a cheap one-way flight or cheap return flight from Riverside, CA (RAL-Riverside Municipal) to Louisville Intl. Airport (SDF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Riverside, CA (RAL-Riverside Municipal) to Louisville Intl. Airport (SDF)?
The cheapest month to fly from RAL to SDF is , when demand is low. Off-peak months are often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Riverside, CA (RAL-Riverside Municipal) to Louisville Intl. Airport (SDF)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from RAL to SDF. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Riverside, CA (RAL-Riverside Municipal) to Louisville Intl. Airport (SDF)?
You'll have to catch a flight with a layover if you're traveling from Riverside, CA (RAL-Riverside Municipal) to Louisville Intl. Airport (SDF). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from RAL to SDF?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Riverside, CA (RAL-Riverside Municipal) to Louisville Intl. Airport (SDF)?
To land at Louisville Intl. Airport (SDF) without delays, select a flight that takes off from Riverside, CA (RAL-Riverside Municipal) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Riverside, CA (RAL-Riverside Municipal) to Louisville Intl. Airport (SDF) last-minute?
Last-minute bookings from RAL to SDF are generally more expensive. To secure the best rates, start looking for flights well ahead of time. That said, if you're flexible with your travel plans, you may find a cheap ticket right before your trip.
Is it cheaper to book a RAL to SDF flight and hotel package?
Compared with arranging hotels and flights separately, booking a RAL to SDF flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the hassle out of planning your trip. Just pick your flights and select from our wide range of stays, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Riverside, CA (RAL-Riverside Municipal) to Louisville Intl. Airport (SDF)?
In most cases, you can cancel or reschedule your RAL to SDF flight. However, additional charges may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you want further details, visit our Customer Service portal.

Travel information

Origin airport
Riverside Municipal
Destination airport
Louisville Intl.
Distance
1785 mi

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Riverside to Louisville Flights

The cheapest times to fly from Riverside to Louisville

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 Riverside to Louisville are during the month of . You can find some of the cheapest flights from Riverside to Louisville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Riverside to Louisville

Sunday is one of the best days to book for cheap flights from Riverside to Louisville: 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 Riverside to Louisville

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 Riverside to Louisville in 2026. You can also book with separate airlines for your outbound and return journeys, from 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 Riverside to Louisville 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 Riverside to Louisville 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.

 

Riverside to Louisville Flights
*Available to One Key members.