Cheap Flights from Louisville (SDF) to Decatur (DEC)

Popular airlines from Louisville Intl. Airport (SDF) to Decatur, IL (DEC)

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Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Decatur Airport (DEC) cost?
Snag a cheap one-way flight or cheap return flight from Louisville Intl. Airport (SDF) to Decatur Airport (DEC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Louisville Intl. Airport (SDF) to Decatur Airport (DEC)?
Flying in may help you find better deals, as it's the cheapest month for flights between SDF and DEC. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Decatur Airport (DEC)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SDF to DEC flight.
How many flights per day from Louisville Intl. Airport (SDF) to Decatur Airport (DEC)?
You'll need to hop on a flight with a layover if you're traveling from Louisville Intl. Airport (SDF) to Decatur Airport (DEC). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from SDF to DEC?
You'll usually find Tuesday the quietest day for flights, while Fridays are often 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 is the best time to fly from Louisville Intl. Airport (SDF) to Decatur Airport (DEC)?
To avoid potential delays on the Louisville Intl. Airport (SDF) to Decatur Airport (DEC) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of being 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 Decatur Airport (DEC) last-minute?
Waiting until just before your trip to book a flight from SDF to DEC often results in higher prices. While you may find some last-minute discounts, they aren't always guaranteed. Keep your travel schedule open for a better chance of landing a bargain.
Is it cheaper to book a SDF to DEC flight and hotel package?
Compared with arranging flights and hotels separately, booking a SDF to DEC flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place will take the hassle out of travel planning. Simply secure your flights and choose from our wide range of stays, then customize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Decatur Airport (DEC)?
If you booked your SDF to DEC flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Louisville Intl.
Destination airport
Decatur
Distance
203 mi

Book with confidence

Book with confidence

Louisville to Decatur Flights

The cheapest times to fly from Louisville to Decatur

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

 

The best time to book a flight from Louisville to Decatur

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

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 Decatur in 2025. 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 Louisville to Decatur 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 Decatur 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.

 

Louisville to Decatur Flights

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*Available to One Key members.