$181+ Cheap flights from Indianapolis to Louisville (IND - SDF)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
IND — SDF
Oct 26 — Nov 21
Round-trip
1 adult, Economy
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Find cheap flights from Indianapolis to Louisville with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Indianapolis to Louisville
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Cheapest flights from Indianapolis to LouisvilleExplore the most affordable flight options available from Indianapolis to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 26, 2026.
Explore the most affordable flight options available from Indianapolis to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:40 am -
1 stop6h 44m
Tue 10/64:56 pm -
1 stop22h 18m
Deal found 9/25![Allegiant Air logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:37 pm -
1 stop27h 29m
Fri 10/99:14 pm -
1 stop13h 44m
Deal found 9/21![Allegiant Air logo]()
$516
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:59 pm -
2 stops19h 07m
Fri 10/169:14 pm -
1 stop15h 01m
Deal found 9/24![Multiple Airlines logo]()
$518
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:21 am -
2 stops9h 10m
Tue 10/64:56 pm -
1 stop22h 18m
Deal found 9/25![Multiple Airlines logo]()
$533
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:00 am -
1 stop5h 15m
Tue 10/137:10 pm -
1 stop3h 40m
Deal found 9/24![Southwest logo]()
$563
This Southwest deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:25 pm -
1 stop3h 10m
Fri 10/93:35 pm -
2 stops7h 15m
Deal found 9/21![Southwest logo]()
$568
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:45 am -
1 stop3h 25m
Mon 10/125:35 am -
1 stop4h 20m
Deal found 9/23![Southwest logo]()
$638
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:35 am -
1 stop8h 20m
Wed 10/145:45 am -
1 stop4h 10m
Deal found 9/24![Southwest logo]()
$658
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:20 am -
2 stops8h 35m
Fri 10/166:15 pm -
2 stops6h 00m
Deal found 9/24![Southwest logo]()
$663
Best flights from Indianapolis to LouisvilleDiscover carefully curated flight deals from Indianapolis to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 26, 2026.
Discover carefully curated flight deals from Indianapolis to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:59 pm -
2 stops19h 07m
Fri 10/169:14 pm -
1 stop15h 01m
Deal found 9/24![Multiple Airlines logo]()
$518
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:15 am -
1 stop7h 40m
Fri 10/163:30 pm -
1 stop8h 20m
Deal found 9/24![Southwest logo]()
$533
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:00 am -
1 stop5h 15m
Tue 10/137:10 pm -
1 stop3h 40m
Deal found 9/24![Southwest logo]()
$563
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:45 am -
1 stop3h 25m
Mon 10/125:35 am -
1 stop4h 20m
Deal found 9/23![Southwest logo]()
$638
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:35 am -
1 stop8h 20m
Wed 10/143:55 pm -
2 stops6h 55m
Deal found 9/24![Southwest logo]()
$664
Last-minute flights from Indianapolis to LouisvilleDiscover last-minute flight deals from Indianapolis to Louisville. Data last updated September 26, 2026 and is based on user searches.
Discover last-minute flight deals from Indianapolis to Louisville. Data last updated September 26, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:40 am -
1 stop6h 44m
Tue 10/64:56 pm -
1 stop22h 18m
Deal found 9/25![Allegiant Air logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:21 am -
2 stops9h 10m
Tue 10/64:56 pm -
1 stop22h 18m
Deal found 9/25![Multiple Airlines logo]()
$533
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:37 pm -
1 stop27h 29m
Fri 10/99:14 pm -
1 stop13h 44m
Deal found 9/21![Allegiant Air logo]()
$516
This Southwest deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:25 pm -
1 stop3h 10m
Fri 10/93:35 pm -
2 stops7h 15m
Deal found 9/21![Southwest logo]()
$568
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:45 am -
1 stop3h 25m
Mon 10/125:35 am -
1 stop4h 20m
Deal found 9/23![Southwest logo]()
$638
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:35 am -
1 stop8h 20m
Wed 10/145:45 am -
1 stop4h 10m
Deal found 9/24![Southwest logo]()
$658
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:59 pm -
2 stops19h 07m
Fri 10/169:14 pm -
1 stop15h 01m
Deal found 9/24![Multiple Airlines logo]()
$518
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:20 am -
2 stops8h 35m
Fri 10/166:15 pm -
2 stops6h 00m
Deal found 9/24![Southwest logo]()
$663
This Southwest deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:00 am -
1 stop5h 15m
Tue 10/137:10 pm -
1 stop3h 40m
Deal found 9/24![Southwest logo]()
$563
One-way flights from Indianapolis to LouisvilleSearch for one-way flight options from Indianapolis to Louisville. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.
Search for one-way flight options from Indianapolis to Louisville. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:41 pm -
3 stops23h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:24 pm -
1 stop23h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Allegiant Air logo]()
$226
This American Airlines deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:09 pm -
1 stop15h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![American Airlines logo]()
$237
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/285:40 pm -
1 stop3h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Southwest logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:30 am -
1 stop10h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Allegiant Air logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:25 pm -
3 stops22h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:20 am -
2 stops8h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Southwest logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/287:30 pm -
3 stops39h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$468
Find flight deals from Indianapolis to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from Indianapolis (IND) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $518 (Kiwi.com) |
One-way from | $181 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Indianapolis to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 26, 2026.
Use the filters below to find and compare flights from Indianapolis to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IndianapolisLouisville
IND Indianapolis - SDF Louisville Intl
INDSDF
Indianapolis
Fri 12/4
2:29 pm-4:32 pm
2 stops26h 03m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$225
IndianapolisLouisville
IND Indianapolis - SDF Louisville Intl
INDSDF
Indianapolis
Sun 10/25
12:24 pm-11:34 am
1 stop23h 10m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$226
IndianapolisLouisville
IND Indianapolis - SDF Louisville Intl
INDSDF
Indianapolis
Fri 12/4
9:09 pm-1:02 pm
1 stop15h 53m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$237
Quickest round-trip
IndianapolisLouisville
IND Indianapolis - SDF Louisville Intl
INDSDF
Indianapolis
Sat 11/28
5:40 pm-9:10 pm
1 stop3h 30m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$271
IndianapolisLouisville
IND Indianapolis - SDF Louisville Intl
INDSDF
Indianapolis
Sun 10/25
7:25 pm-6:18 pm
3 stops22h 53m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$337
IndianapolisLouisville
IND Indianapolis - SDF Louisville Intl
INDSDF
Indianapolis
Mon 10/5
6:20 am-2:55 pm
2 stops8h 35m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$367
IndianapolisLouisville
IND Indianapolis - SDF Louisville Intl
INDSDF
Indianapolis
Mon 10/5
4:25 pm-4:06 pm
3 stops23h 41m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$392
IndianapolisLouisville
IND Indianapolis - SDF Louisville Intl
INDSDF
Indianapolis
Sat 11/28
7:30 pm-10:59 am
3 stops39h 29m
Louisville Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$468
IndianapolisLouisville
IND Indianapolis - SDF Louisville Intl
INDSDF
Indianapolis
Mon 10/12
7:59 pm-3:06 pm
2 stops19h 07m
Louisville Intl
Fri 10/16
9:14 pm-12:15 pm
1 stop15h 01m
$518
IndianapolisLouisville
IND Indianapolis - SDF Louisville Intl
INDSDF
Indianapolis
Mon 10/12
7:15 am-2:55 pm
1 stop7h 40m
Louisville Intl
Fri 10/16
3:30 pm-11:50 pm
1 stop8h 20m
$533
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from Indianapolis to Louisville
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Indianapolis to Louisville in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Indianapolis-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Indianapolis-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Indianapolis-Louisville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Indianapolis-Louisville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Indianapolis-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Indianapolis to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from Indianapolis with our price prediction graph.
IND-SDF
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from Indianapolis to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Louisville?
Book flights to Louisville if you plan to visit one of these locationsShepherdsville
Elizabethtown
Jeffersonville
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