$464+ Cheap flights from Sioux City to Louisville (SUX - 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — SDF
Nov 15 — Nov 221
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Sioux City 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 Sioux City to Louisville
Cheapest
Best
Last-minute
Cheapest flights from Sioux City to LouisvilleExplore the most affordable flight options available from Sioux City to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2026.
Explore the most affordable flight options available from Sioux City to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2026.
This United Airlines deal was found by Cheapflights users on 10/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
1 stop6h 18m
Wed 12/21:59 pm -
1 stop5h 06m
Deal found 10/13![United Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 10/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
1 stop6h 18m
Tue 12/15:40 pm -
1 stop25h 25m
Deal found 10/13![United Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 10/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
1 stop6h 18m
Mon 11/3010:27 am -
1 stop8h 43m
Deal found 10/13![United Airlines logo]()
$607
This United Airlines deal was found by Cheapflights users on 10/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am -
1 stop6h 35m
Sat 10/312:15 pm -
1 stop4h 55m
Deal found 10/12![United Airlines logo]()
$608
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:45 pm -
2 stops17h 38m
Tue 11/32:10 pm -
1 stop5h 00m
Deal found 10/15![United Airlines logo]()
$778
Best flights from Sioux City to LouisvilleDiscover carefully curated flight deals from Sioux City to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 16, 2026.
Discover carefully curated flight deals from Sioux City to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 16, 2026.
This United Airlines deal was found by Cheapflights users on 10/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/305:04 am -
1 stop7h 22m
Wed 2/310:20 am -
1 stop8h 51m
Deal found 10/13![United Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 10/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
1 stop6h 18m
Tue 12/15:40 pm -
1 stop25h 25m
Deal found 10/13![United Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 10/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
1 stop6h 18m
Wed 12/210:25 am -
2 stops14h 18m
Deal found 10/13![United Airlines logo]()
$577
This United Airlines deal was found by Cheapflights users on 10/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
1 stop6h 18m
Mon 11/3010:27 am -
1 stop8h 43m
Deal found 10/13![United Airlines logo]()
$607
Last-minute flights from Sioux City to LouisvilleDiscover last-minute flight deals from Sioux City to Louisville. Data last updated October 16, 2026 and is based on user searches.
Discover last-minute flight deals from Sioux City to Louisville. Data last updated October 16, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:00 am -
1 stop6h 35m
Sat 10/312:15 pm -
1 stop4h 55m
Deal found 10/12![United Airlines logo]()
$608
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:45 pm -
2 stops17h 38m
Tue 11/32:10 pm -
1 stop5h 00m
Deal found 10/15![United Airlines logo]()
$778
This United Airlines deal was found by Cheapflights users on 10/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
1 stop6h 18m
Wed 12/21:59 pm -
1 stop5h 06m
Deal found 10/13![United Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 10/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
1 stop6h 18m
Tue 12/15:40 pm -
1 stop25h 25m
Deal found 10/13![United Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 10/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
1 stop6h 18m
Mon 11/3010:27 am -
1 stop8h 43m
Deal found 10/13![United Airlines logo]()
$607
Find flight deals from Sioux City to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from Sioux City (SUX) 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 October 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $464 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Sioux City 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 October 16, 2026.
Use the filters below to find and compare flights from Sioux City to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Sioux CityLouisville
SUX Sioux City Sioux Gateway - SDF Louisville Intl
SUXSDF
Sioux City Sioux Gateway
Sat 1/30
5:04 am-1:26 pm
1 stop7h 22m
Louisville Intl
Wed 2/3
10:20 am-6:11 pm
1 stop8h 51m
$472
Sioux CityLouisville
SUX Sioux City Sioux Gateway - SDF Louisville Intl
SUXSDF
Sioux City Sioux Gateway
Thu 11/26
6:00 am-1:18 pm
1 stop6h 18m
Louisville Intl
Tue 12/1
5:40 pm-6:05 pm
1 stop25h 25m
$523
Sioux CityLouisville
SUX Sioux City Sioux Gateway - SDF Louisville Intl
SUXSDF
Sioux City Sioux Gateway
Thu 11/26
6:00 am-1:18 pm
1 stop6h 18m
Louisville Intl
Wed 12/2
10:25 am-11:43 pm
2 stops14h 18m
$577
Quickest round-trip
Sioux CityLouisville
SUX Sioux City Sioux Gateway - SDF Louisville Intl
SUXSDF
Sioux City Sioux Gateway
Thu 11/26
6:00 am-1:18 pm
1 stop6h 18m
Louisville Intl
Mon 11/30
10:27 am-6:10 pm
1 stop8h 43m
$607
Sorted by cheapest first
Compare providers for flights from Sioux City 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 Sioux City to Louisville in October.
| 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 Sioux City-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux City-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux City-Louisville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sioux City-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 Sioux City-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 Sioux City to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from Sioux City with our price prediction graph.
SUX-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 Sioux City 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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Louisville flight routes
Other flight options
Other flights from Sioux City
Popular flights