$114+ Cheap flights from Denver to Louisville (DEN - 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SDF
Nov 28 — Dec 51
Round-trip
1 adult, Economy
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Find cheap flights from Denver 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.Cheapflights Tip: The best prices from Denver Intl to Louisville Intl are usually found in April or August, booked 36 days in advance, depart on a Saturday or Thursday and return on a Wednesday
Cheap flight deals from Denver to Louisville
Cheapest
Best
Last-minute
One-way
Cheapest flights from Denver to LouisvilleExplore the most affordable flight options available from Denver to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2026.
Explore the most affordable flight options available from Denver to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Thu 11/196:05 am -
1 stop26h 54m
Mon 11/2311:39 am -
1 stop27h 29m
Deal found 10/26![Multiple Airlines logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/410:45 am -
1 stop27h 47m
Mon 12/78:47 am -
1 stop17h 21m
Deal found 10/27![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Thu 12/310:57 pm -
1 stop18h 22m
Mon 12/78:47 am -
1 stop17h 21m
Deal found 10/26![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Wed 12/1610:18 am -
2 stops46h 41m
Thu 12/319:09 pm -
1 stop13h 38m
Deal found 10/26![Multiple Airlines logo]()
$335
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/39:40 am -
Nonstop2h 37m
Mon 12/79:00 am -
Nonstop3h 06m
Deal found 10/26![United Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Thu 12/176:00 am -
1 stop12h 29m
Fri 12/2511:39 am -
2 stops24h 15m
Deal found 10/26![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Thu 12/1711:06 am -
1 stop7h 23m
Thu 12/319:09 pm -
1 stop13h 38m
Deal found 10/26![Multiple Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 10/27. 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 12/16:20 pm -
Nonstop2h 35m
Tue 12/88:50 am -
2 stops6h 55m
Deal found 10/27![Southwest logo]()
$354
Best flights from Denver to LouisvilleDiscover carefully curated flight deals from Denver to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2026.
Discover carefully curated flight deals from Denver to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2026.
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/39:40 am -
Nonstop2h 37m
Mon 12/79:00 am -
Nonstop3h 06m
Deal found 10/26![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 10/27. 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.
Fri 1/16:30 am -
2 stops7h 05m
Mon 1/44:40 pm -
1 stop4h 45m
Deal found 10/27![Southwest logo]()
$438
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:27 pm -
1 stop7h 19m
Sun 11/227:05 am -
1 stop8h 14m
Deal found 10/28![Delta logo]()
$457
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/305:45 pm -
Nonstop2h 40m
Wed 12/29:00 am -
Nonstop3h 06m
Deal found 10/27![United Airlines logo]()
$438
This Southwest deal was found by Cheapflights users on 10/26. 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 12/228:00 am -
2 stops7h 00m
Tue 12/297:40 pm -
1 stop6h 35m
Deal found 10/26![Southwest logo]()
$457
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/292:17 pm -
1 stop7h 42m
Sun 1/315:59 pm -
1 stop6h 15m
Deal found 10/26![Delta logo]()
$480
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/215:45 pm -
Nonstop2h 39m
Wed 11/253:24 pm -
Nonstop3h 05m
Deal found 10/28![United Airlines logo]()
$449
This Southwest deal was found by Cheapflights users on 10/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:55 am -
2 stops7h 45m
Sun 11/225:05 am -
2 stops8h 05m
Deal found 10/25![Southwest logo]()
$490
This United Airlines deal was found by Cheapflights users on 10/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:47 am -
Nonstop2h 35m
Fri 11/273:24 pm -
Nonstop3h 05m
Deal found 10/24![United Airlines logo]()
$460
This United Airlines deal was found by Cheapflights users on 10/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:47 am -
Nonstop2h 35m
Sun 11/223:24 pm -
Nonstop3h 05m
Deal found 10/25![United Airlines logo]()
$460
This United Airlines deal was found by Cheapflights users on 10/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/295:48 pm -
Nonstop2h 42m
Sun 1/317:00 am -
1 stop5h 31m
Deal found 10/25![United Airlines logo]()
$470
Last-minute flights from Denver to LouisvilleDiscover last-minute flight deals from Denver to Louisville. Data last updated October 29, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Louisville. Data last updated October 29, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Thu 11/1210:29 pm -
1 stop18h 50m
Mon 11/168:47 am -
1 stop26h 53m
Deal found 10/27![Multiple Airlines logo]()
$376
This Southwest deal was found by Cheapflights users on 10/26. 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 11/166:00 am -
1 stop4h 15m
Thu 11/195:40 am -
2 stops9h 55m
Deal found 10/26![Southwest logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Wed 11/186:58 pm -
1 stop23h 31m
Sun 11/229:09 pm -
1 stop13h 30m
Deal found 10/25![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Thu 11/196:05 am -
1 stop26h 54m
Mon 11/2311:39 am -
1 stop27h 29m
Deal found 10/26![Multiple Airlines logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 10/25. 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.
Thu 11/196:05 am -
1 stop26h 54m
Sun 1/39:09 pm -
1 stop13h 38m
Deal found 10/25![Multiple Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:27 pm -
1 stop7h 19m
Wed 11/251:01 pm -
1 stop7h 30m
Deal found 10/27![Delta logo]()
$398
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:14 pm -
1 stop4h 32m
Wed 11/255:59 pm -
1 stop7h 16m
Deal found 10/28![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/279:47 am -
Nonstop2h 35m
Tue 12/110:25 am -
1 stop6h 24m
Deal found 10/27![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/277:29 am -
1 stop7h 23m
Tue 12/16:30 pm -
1 stop8h 01m
Deal found 10/27![American Airlines logo]()
$379
One-way flights from Denver to LouisvilleSearch for one-way flight options from Denver to Louisville. Find affordable one-way fares based on user searches. Data last updated October 29, 2026.
Search for one-way flight options from Denver to Louisville. Find affordable one-way fares based on user searches. Data last updated October 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Wed 1/209:15 pm -
2 stops34h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 2/610:34 am -
3 stops25h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/410:45 am -
1 stop27h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Tue 11/179:20 pm -
3 stops45h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Thu 11/266:25 am -
1 stop26h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 12/196:25 am -
2 stops50h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 2/1311:11 am -
2 stops25h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Multiple Airlines logo]()
$158
Find flight deals from Denver to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) 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 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $248 (Kiwi.com) |
One-way from | $114 (Kiwi.com) |
Popular in | July |
Cheapest in | April |
Average price | $458 |
Good round-trip deal | $396 or less |
Good one-way deal | $188 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Denver 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 29, 2026.
Use the filters below to find and compare flights from Denver to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverLouisville
DEN Denver Intl - SDF Louisville Intl
DENSDF
Denver Intl
Tue 12/29
5:48 pm-10:30 pm
Nonstop2h 42m
Louisville Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$209
DenverLouisville
DEN Denver Intl - SDF Louisville Intl
DENSDF
Denver Intl
Sat 12/19
1:59 pm-11:23 pm
1 stop7h 24m
Louisville Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$219
DenverLouisville
DEN Denver Intl - SDF Louisville Intl
DENSDF
Denver Intl
Sat 12/19
10:23 am-6:20 pm
1 stop5h 57m
Louisville Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$219
DenverLouisville
DEN Denver Intl - SDF Louisville Intl
DENSDF
Denver Intl
Tue 12/29
6:00 am-3:53 pm
1 stop7h 53m
Louisville Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$219
DenverLouisville
DEN Denver Intl - SDF Louisville Intl
DENSDF
Denver Intl
Tue 12/29
11:10 am-9:25 pm
2 stops8h 15m
Louisville Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$224
DenverLouisville
DEN Denver Intl - SDF Louisville Intl
DENSDF
Denver Intl
Mon 11/23
2:10 pm-10:15 pm
2 stops6h 05m
Louisville Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$239
Quickest round-trip
DenverLouisville
DEN Denver Intl - SDF Louisville Intl
DENSDF
Denver Intl
Fri 11/20
5:45 pm-10:24 pm
Nonstop2h 39m
Louisville Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$245
DenverLouisville
DEN Denver Intl - SDF Louisville Intl
DENSDF
Denver Intl
Sun 2/28
5:50 pm-10:30 pm
Nonstop2h 40m
Louisville Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$252
DenverLouisville
DEN Denver Intl - SDF Louisville Intl
DENSDF
Denver Intl
Sat 12/19
5:48 pm-10:30 pm
Nonstop2h 42m
Louisville Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$264
DenverLouisville
DEN Denver Intl - SDF Louisville Intl
DENSDF
Denver Intl
Thu 12/3
9:40 am-2:17 pm
Nonstop2h 37m
Louisville Intl
Mon 12/7
9:00 am-10:06 am
Nonstop3h 06m
$339
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Denver 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 Denver to Louisville in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Denver-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Louisville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Denver-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 Denver-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 Denver to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from Denver with our price prediction graph.
DEN-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.
Cheapflights Insights
Everything you need to know about your flight from Denver to Louisville
How far ahead should I book a flight from Denver to Louisville?
The price you pay for your flight from Denver to Louisville may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Denver to Louisville?
Currently, April is the cheapest month in which you can book a flight from Denver to Louisville (average of $421). Flying from Denver to Louisville in July is currently the most expensive (average of $568). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from DEN to SDF?
Find hourly flight availability from Denver to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2026.
It’s optimal to fly from Denver to Louisville in the evening. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight in the afternoon.
Reviews of airlines servicing Louisville
Get insights into the airlines that provide service to Louisville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisville. Reviews last updated October 29, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andJetBlue from Denver to Louisville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.4
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.4
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.4
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.4
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.4
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Related info for your journey
Find useful and relevant information for your journey from Denver 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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Top 4 airlines flying from Denver to Louisville
Discover the top 4 airlines that operate flights from Denver to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$232 | Average$391 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$298 | Average$514 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$323 | Average$452 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$354 | Average$484 | FlexibilityNo cancel fee | On-time71% |