$100 Cheap Flights from Louisville (SDF) to Indianapolis (IND)

View $100 flight on Sat, Dec 6, 2025Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Indianapolis Intl. Airport (IND)

Cheap Flights from Louisville to Indianapolis (SDF-IND)

Prices were available within the past 7 days and start at $100 for one-way flights and $431 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Fri, Dec 5 - Sun, Dec 7
SDF
Louisville
IND
Indianapolis
$431 Roundtrip, found 4 hours ago
$431
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Fri, Dec 5 from Louisville to Indianapolis, returning Sun, Dec 7, priced at $431 found 4 hours ago
American Airlines
Wed, Dec 24 - Mon, Jan 5
SDF
Louisville
IND
Indianapolis
$433 Roundtrip, found 1 hour ago
$433
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Dec 24 from Louisville to Indianapolis, returning Mon, Jan 5, priced at $433 found 1 hour ago
United
Wed, Dec 24 - Wed, Jan 7
SDF
Louisville
IND
Indianapolis
$433 Roundtrip, found 1 hour ago
$433
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Dec 24 from Louisville to Indianapolis, returning Wed, Jan 7, priced at $433 found 1 hour ago
American Airlines
Sun, Feb 15 - Mon, Feb 16
SDF
Louisville
IND
Indianapolis
$434 Roundtrip, found 3 days ago
$434
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Feb 15 from Louisville to Indianapolis, returning Mon, Feb 16, priced at $434 found 3 days ago
United
Wed, Dec 31 - Sat, Jan 17
SDF
Louisville
IND
Indianapolis
$435 Roundtrip, found 1 hour ago
$435
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Dec 31 from Louisville to Indianapolis, returning Sat, Jan 17, priced at $435 found 1 hour ago
Southwest Airlines
Fri, Dec 5 - Sun, Dec 7
SDF
Louisville
IND
Indianapolis
$436 Roundtrip, found 4 hours ago
$436
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Fri, Dec 5 from Louisville to Indianapolis, returning Sun, Dec 7, priced at $436 found 4 hours ago
Southwest Airlines
Sun, Feb 1 - Sun, Feb 22
SDF
Louisville
IND
Indianapolis
$441 Roundtrip, found 2 days ago
$441
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Sun, Feb 1 from Louisville to Indianapolis, returning Sun, Feb 22, priced at $441 found 2 days ago
United
Sun, Feb 15 - Sat, Feb 21
SDF
Louisville
IND
Indianapolis
$442 Roundtrip, found 3 days ago
$442
Roundtrip
found 3 days ago
Select United flight, departing Sun, Feb 15 from Louisville to Indianapolis, returning Sat, Feb 21, priced at $442 found 3 days ago
United
Tue, Dec 23 - Wed, Jan 7
SDF
Louisville
IND
Indianapolis
$443 Roundtrip, found 1 hour ago
$443
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Dec 23 from Louisville to Indianapolis, returning Wed, Jan 7, priced at $443 found 1 hour ago
Delta
Fri, Jan 30 - Fri, Feb 20
SDF
Louisville
IND
Indianapolis
$517 Roundtrip, found 2 days ago
$517
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Jan 30 from Louisville to Indianapolis, returning Fri, Feb 20, priced at $517 found 2 days ago

Find the cheapest month to fly from Louisville (SDF) to Indianapolis (IND)

August is typically the cheapest month to fly

From $191 - $688 per traveler.

Alternative airports near Indianapolis

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

Select flight to Indianapolis Intl. IND. Cheapest and Closest option available. Average driving time to city center is 19 minutes. Flights from $517
IND
Indianapolis Intl.
CheapestClosest
Average driving time to city center19 min
Flights from $517

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Indianapolis Intl. Airport (IND) cost?
Grab a cheap one-way flight from $100 or cheap return flight from $431 from Louisville Intl. Airport (SDF) to Indianapolis Intl. Airport (IND) 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 Louisville Intl. Airport (SDF) to Indianapolis Intl. Airport (IND)?
December is the most affordable month to fly from SDF to IND. Avoiding peak travel times is often the key to scoring lower fares.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Indianapolis Intl. Airport (IND)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SDF to IND flight.
How many flights per day from Louisville Intl. Airport (SDF) to Indianapolis Intl. Airport (IND)?
You'll need to take a flight with a layover if you're traveling from Louisville Intl. Airport (SDF) to Indianapolis Intl. Airport (IND). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from SDF to IND?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the airline, season 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 Louisville Intl. Airport (SDF) to Indianapolis Intl. Airport (IND)?
Book a flight from Louisville Intl. Airport (SDF) to Indianapolis Intl. Airport (IND) that leaves before 3 PM to reduce the risk of cancellations. Later departures are on average 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 Indianapolis Intl. Airport (IND) last-minute?
Last-minute bookings from SDF to IND are generally more expensive. To lock in the best prices, start searching for flights as early as possible. That said, if your travel plans are flexible, it's possible to find a cheap fare right before your trip.
Is it cheaper to book a SDF to IND flight and hotel package?
Compared with arranging flights and hotels separately, booking a SDF to IND flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place takes the hassle out of planning your trip. Simply secure your flights and select from our extensive range of stays, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Indianapolis Intl. Airport (IND)?
Typically, you can cancel or modify your SDF to IND flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need further information, head to our Customer Service portal.

Travel information

Origin airport
Louisville Intl.
Destination airport
Indianapolis Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines
Roundtrip price
$430
Distance
109 mi

Book with confidence

Louisville to Indianapolis Flights

The cheapest times to fly from Louisville to Indianapolis

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

 

The best time to book a flight from Louisville to Indianapolis

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

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 Indianapolis in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 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 Indianapolis 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 Indianapolis 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 Indianapolis Flights

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*Available to One Key members.