$112+ Cheap flights from Louisville to Denver (SDF - DEN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DEN
Mar 13 — Mar 201
1 adult, Economy
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Find cheap flights from Louisville to Denver 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 Louisville Intl to Denver Intl are usually found in April or August, booked 70 days in advance, depart on a Tuesday or Monday and return on a Saturday
Cheap flight deals from Louisville to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from Louisville to DenverExplore the most affordable flight options available from Louisville to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.
Explore the most affordable flight options available from Louisville to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 4/155:38 pm
SDF
- DEN
1 stop8h 07m
American Airlines
Sat 4/1810:37 am
DEN
- SDF
1 stop5h 53m
American Airlines
Deal found 2/10![American Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 5/117:48 pm
SDF
- DEN
2 stops18h 21m
Multiple Airlines
Fri 5/153:45 pm
DEN
- SDF
1 stop14h 51m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 4/107:48 pm
SDF
- DEN
2 stops27h 21m
Multiple Airlines
Tue 4/1411:59 pm
DEN
- SDF
1 stop9h 39m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 4/2412:33 pm
SDF
- DEN
1 stop27h 59m
Multiple Airlines
Fri 5/19:00 pm
DEN
- SDF
2 stops20h 36m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 4/2412:33 pm
SDF
- DEN
1 stop27h 59m
Multiple Airlines
Sun 4/2611:59 pm
DEN
- SDF
1 stop9h 39m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 4/162:26 pm
SDF
- DEN
1 stop11h 43m
Multiple Airlines
Mon 4/209:00 pm
DEN
- SDF
2 stops15h 38m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 5/79:14 pm
SDF
- DEN
1 stop13h 41m
Multiple Airlines
Mon 5/119:00 pm
DEN
- SDF
2 stops15h 38m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 4/107:48 pm
SDF
- DEN
2 stops27h 21m
Multiple Airlines
Wed 4/1511:40 am
DEN
- SDF
1 stop23h 46m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 4/1312:09 pm
SDF
- DEN
2 stops23h 18m
Multiple Airlines
Wed 4/1511:40 am
DEN
- SDF
1 stop23h 46m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Sat 4/184:27 pm
SDF
- DEN
1 stop6h 04m
American Airlines
Tue 4/216:11 am
DEN
- SDF
1 stop7h 54m
American Airlines
Deal found 2/11![American Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/12:26 pm
SDF
- DEN
2 stops44h 45m
Multiple Airlines
Sat 3/712:30 pm
DEN
- SDF
1 stop21h 56m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$292
Best flights from Louisville to DenverDiscover carefully curated flight deals from Louisville to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 11, 2026.
Discover carefully curated flight deals from Louisville to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 11, 2026.
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/108:54 am
SDF
- DEN
Nonstop3h 17m
United Airlines
Tue 3/179:40 am
DEN
- SDF
Nonstop2h 39m
United Airlines
Deal found 2/10![United Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 2/9. 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 3/255:45 am
SDF
- DEN
1 stop6h 55m
Southwest
Wed 3/2512:25 pm
DEN
- SDF
2 stops7h 50m
Southwest
Deal found 2/9![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 2/9. 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 3/173:15 pm
SDF
- DEN
Nonstop3h 17m
United Airlines
Sat 3/215:25 pm
DEN
- SDF
Nonstop2h 34m
United Airlines
Deal found 2/9![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 2/9. 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 4/181:45 pm
SDF
- DEN
Nonstop2h 50m
Southwest
Tue 4/2111:20 am
DEN
- SDF
Nonstop2h 30m
Southwest
Deal found 2/9![Southwest logo]()
$361
This United Airlines deal was found by Cheapflights users on 2/9. 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 3/258:54 am
SDF
- DEN
Nonstop3h 17m
United Airlines
Wed 3/255:25 pm
DEN
- SDF
Nonstop2h 34m
United Airlines
Deal found 2/9![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 2/8. 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 3/175:00 pm
SDF
- DEN
2 stops7h 55m
Southwest
Sat 3/285:50 am
DEN
- SDF
1 stop6h 25m
Southwest
Deal found 2/8![Southwest logo]()
$364
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/203:15 pm
SDF
- DEN
Nonstop3h 17m
United Airlines
Tue 3/245:25 pm
DEN
- SDF
Nonstop2h 34m
United Airlines
Deal found 2/10![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 2/8. 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 3/26:55 am
SDF
- DEN
2 stops7h 40m
Southwest
Wed 3/47:00 am
DEN
- SDF
2 stops7h 50m
Southwest
Deal found 2/8![Southwest logo]()
$369
This United Airlines deal was found by Cheapflights users on 2/10. 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 4/233:36 pm
SDF
- DEN
Nonstop3h 09m
United Airlines
Mon 4/275:58 pm
DEN
- SDF
Nonstop2h 41m
United Airlines
Deal found 2/10![United Airlines logo]()
$361
This Southwest deal was found by Cheapflights users on 2/9. 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 4/132:40 pm
SDF
- DEN
2 stops6h 40m
Southwest
Wed 4/1511:00 am
DEN
- SDF
2 stops7h 35m
Southwest
Deal found 2/9![Southwest logo]()
$369
Last-minute flights from Louisville to DenverDiscover last-minute flight deals from Louisville to Denver. Data last updated February 11, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Denver. Data last updated February 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/12:26 pm
SDF
- DEN
2 stops44h 45m
Multiple Airlines
Sat 3/712:30 pm
DEN
- SDF
1 stop21h 56m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/29:30 am
SDF
- DEN
2 stops29h 39m
Multiple Airlines
Thu 3/57:24 pm
DEN
- SDF
1 stop14h 57m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/41:19 pm
SDF
- DEN
2 stops19h 43m
Multiple Airlines
Sun 3/89:25 am
DEN
- SDF
1 stop24h 56m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/103:33 pm
SDF
- DEN
2 stops33h 31m
Multiple Airlines
Tue 3/1711:59 pm
DEN
- SDF
1 stop9h 15m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 2/10. 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 3/108:54 am
SDF
- DEN
Nonstop3h 17m
United Airlines
Tue 3/179:40 am
DEN
- SDF
Nonstop2h 39m
United Airlines
Deal found 2/10![United Airlines logo]()
$317
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Tue 3/176:00 am
SDF
- DEN
1 stop7h 36m
American Airlines
Sat 3/2811:59 pm
DEN
- SDF
1 stop6h 51m
American Airlines
Deal found 2/11![American Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/1712:42 pm
SDF
- DEN
2 stops29h 55m
Multiple Airlines
Sat 3/2812:30 pm
DEN
- SDF
1 stop22h 56m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$312
This American Airlines deal was found by Cheapflights users on 2/10. 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 3/206:23 pm
SDF
- DEN
1 stop6h 17m
American Airlines
Tue 3/241:25 pm
DEN
- SDF
1 stop5h 46m
American Airlines
Deal found 2/10![American Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/2512:09 pm
SDF
- DEN
2 stops20h 53m
Multiple Airlines
Sat 3/2812:30 pm
DEN
- SDF
1 stop22h 56m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$301
One-way flights from Louisville to DenverSearch for one-way flight options from Louisville to Denver. Find affordable one-way fares based on user searches. Data last updated February 11, 2026.
Search for one-way flight options from Louisville to Denver. Find affordable one-way fares based on user searches. Data last updated February 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 4/207:48 pm
SDF
- DEN
2 stops28h 10m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/169:13 pm
SDF
- DEN
2 stops36h 00m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 4/137:48 pm
SDF
- DEN
2 stops23h 52m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/33:33 pm
SDF
- DEN
2 stops21h 41m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 4/277:48 pm
SDF
- DEN
2 stops29h 15m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/309:13 pm
SDF
- DEN
2 stops41h 54m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 5/187:48 pm
SDF
- DEN
2 stops23h 52m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/103:33 pm
SDF
- DEN
2 stops29h 03m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/83:33 pm
SDF
- DEN
2 stops42h 38m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 4/162:26 pm
SDF
- DEN
1 stop11h 43m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$127
Find flight deals from Louisville to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Denver (DEN). 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 February 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $211 (American Airlines) |
One-way from | $112 (Kiwi.com) |
Popular in | December |
Cheapest in | April |
Average price | $464 |
Good round-trip deal | $404 or less |
Good one-way deal | $223 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisville to Denver 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 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Louisville to Denver that are best for you.
Fly from
Louisville
Fly to
Denver
Route
Depart
Return
Price
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Tue 3/10
8:54 am-10:11 am
Nonstop3h 17m
Denver Intl
Tue 3/17
9:40 am-2:19 pm
Nonstop2h 39m
$317
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Tue 3/17
3:15 pm-4:32 pm
Nonstop3h 17m
Denver Intl
Sat 3/21
5:25 pm-9:59 pm
Nonstop2h 34m
$339
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Wed 3/25
8:54 am-10:11 am
Nonstop3h 17m
Denver Intl
Wed 3/25
5:25 pm-9:59 pm
Nonstop2h 34m
$339
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Fri 3/20
3:15 pm-4:32 pm
Nonstop3h 17m
Denver Intl
Tue 3/24
5:25 pm-9:59 pm
Nonstop2h 34m
$339
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Wed 3/25
5:45 am-10:40 am
1 stop6h 55m
Denver Intl
Wed 3/25
12:25 pm-10:15 pm
2 stops7h 50m
$342
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Sat 4/18
1:45 pm-2:35 pm
Nonstop2h 50m
Denver Intl
Tue 4/21
11:20 am-3:50 pm
Nonstop2h 30m
$361
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Thu 4/23
3:36 pm-4:45 pm
Nonstop3h 09m
Denver Intl
Mon 4/27
5:58 pm-10:39 pm
Nonstop2h 41m
$361
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Tue 3/17
5:00 pm-10:55 pm
2 stops7h 55m
Denver Intl
Sat 3/28
5:50 am-2:15 pm
1 stop6h 25m
$364
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Mon 3/2
6:55 am-12:35 pm
2 stops7h 40m
Denver Intl
Wed 3/4
7:00 am-4:50 pm
2 stops7h 50m
$369
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Mon 4/13
2:40 pm-7:20 pm
2 stops6h 40m
Denver Intl
Wed 4/15
11:00 am-8:35 pm
2 stops7h 35m
$369
Showing 1-10 of 21 results
Compare providers for flights from Louisville to Denver
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 Louisville to Denver in February.
| 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 Louisville-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Louisville-Denver 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 Louisville-Denver 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 Louisville to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Louisville with our price prediction graph.
SDF-DEN
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 Louisville to Denver
How far ahead should I book a flight from Louisville to Denver?
Use this chart to determine the optimal time to book a round-trip flight from Louisville to Denver. Price data was last updated on February 6, 2026.
Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from Louisville to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Louisville to Denver?
Currently, November is the cheapest month in which you can book a flight from Louisville to Denver (average of $69). Flying from Louisville to Denver in December is currently the most expensive (average of $111). 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 SDF to DEN?
Find hourly flight availability from Louisville to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 11, 2026.
A simple way to save on the total cost of your ticket is to fly from Louisville to Denver in the evening. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight at noon.
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated February 11, 2026.
See what other customers who have flown with Southwest, Delta, and United Airlines from Louisville to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Louisville to Denver. 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 Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Black Hawk
Lakewood
Broomfield
Westminster
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Cripple Creek
Winter Park
Central City
Glendale
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Louisville to Denver
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Complete your trip
Complete your trip to Denver by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 11, 2026.
Search flights from Louisville to Denver by cabin class
Find flights from Louisville to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Louisville and Denver flights
Browse other Louisville and Denver flight options. Last updated on February 11, 2026.
Other flights from Louisville
Browse through other flights departing from Louisville. Flights are based on user searches made on Cheapflights and were last updated on February 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Louisville to Denver
Discover the top 4 airlines that operate flights from Louisville to Denver. 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 2,558,603 searches. Data last updated February 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$175 | Average$345 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$211 | Average$376 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$243 | Average$427 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$267 | Average$422 | FlexibilityNo cancel fee | On-time63% |