$117+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DEN
Apr 11 — Apr 181
Round-trip
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 August or September, booked 68 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 March 12, 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 March 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 stops29h 15m
Multiple Airlines
Fri 5/153:45 pm
DEN
- SDF
1 stop14h 51m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/138:06 pm
SDF
- DEN
1 stop30h 03m
Multiple Airlines
Fri 5/153:45 pm
DEN
- SDF
1 stop14h 51m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/1412:42 pm
SDF
- DEN
2 stops37h 37m
Multiple Airlines
Tue 5/1211:40 am
DEN
- SDF
1 stop18h 56m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Thu 5/142:27 pm
SDF
- DEN
1 stop11h 42m
Multiple Airlines
Fri 5/153:45 pm
DEN
- SDF
1 stop14h 51m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$276
This United Airlines deal was found by Cheapflights users on 3/9. 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 4/73:36 pm
SDF
- DEN
Nonstop3h 09m
United Airlines
Tue 4/145:58 pm
DEN
- SDF
Nonstop2h 41m
United Airlines
Deal found 3/9![United Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/142:27 pm
SDF
- DEN
1 stop11h 42m
Multiple Airlines
Mon 5/1811:59 pm
DEN
- SDF
2 stops33h 35m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 3/10. 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 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 3/10![Southwest logo]()
$286
This United Airlines deal was found by Cheapflights users on 3/9. 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 4/89:00 am
SDF
- DEN
Nonstop3h 08m
United Airlines
Wed 4/154:35 pm
DEN
- SDF
1 stop5h 24m
United Airlines
Deal found 3/9![United Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/68:06 pm
SDF
- DEN
1 stop30h 03m
Multiple Airlines
Mon 5/1111:59 pm
DEN
- SDF
2 stops30h 37m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Wed 5/138:06 pm
SDF
- DEN
1 stop30h 03m
Multiple Airlines
Mon 5/1811:59 pm
DEN
- SDF
2 stops30h 37m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$290
This Southwest deal was found by Cheapflights users on 3/9. 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 4/86:40 pm
SDF
- DEN
Nonstop2h 50m
Southwest
Wed 4/1512:05 pm
DEN
- SDF
2 stops7h 00m
Southwest
Deal found 3/9![Southwest logo]()
$292
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:37 pm
SDF
- DEN
Nonstop3h 08m
United Airlines
Sat 5/99:55 am
DEN
- SDF
Nonstop2h 46m
United Airlines
Deal found 3/8![United Airlines logo]()
$295
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 March 12, 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 March 12, 2026.
This Southwest deal was found by Cheapflights users on 3/7. 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 4/156:40 pm
SDF
- DEN
Nonstop2h 50m
Southwest
Sat 4/2512:30 pm
DEN
- SDF
Nonstop2h 25m
Southwest
Deal found 3/7![Southwest logo]()
$295
This United Airlines deal was found by Cheapflights users on 3/7. 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 5/139:00 am
SDF
- DEN
Nonstop3h 07m
United Airlines
Sat 5/234:45 pm
DEN
- SDF
1 stop5h 14m
United Airlines
Deal found 3/7![United Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:12 am
SDF
- DEN
1 stop6h 05m
Delta
Sun 4/195:45 am
DEN
- SDF
1 stop6h 46m
Delta
Deal found 3/12![Delta logo]()
$392
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:37 pm
SDF
- DEN
Nonstop3h 08m
United Airlines
Sat 5/96:00 am
DEN
- SDF
1 stop6h 54m
United Airlines
Deal found 3/8![United Airlines logo]()
$305
This Southwest deal was found by Cheapflights users on 3/9. 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.
Thu 5/284:45 pm
SDF
- DEN
1 stop6h 45m
Southwest
Sat 5/3012:30 pm
DEN
- SDF
Nonstop2h 25m
Southwest
Deal found 3/9![Southwest logo]()
$381
This United Airlines deal was found by Cheapflights users on 3/8. 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 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
Sun 4/263:20 pm
DEN
- SDF
1 stop6h 39m
United Airlines
Deal found 3/8![United Airlines logo]()
$381
This Southwest deal was found by Cheapflights users on 3/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:55 am
SDF
- DEN
1 stop8h 10m
Southwest
Fri 6/191:20 pm
DEN
- SDF
2 stops9h 05m
Southwest
Deal found 3/11![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 3/9. 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 4/1512:10 pm
SDF
- DEN
2 stops9h 20m
Southwest
Sun 4/1910:35 am
DEN
- SDF
2 stops11h 45m
Southwest
Deal found 3/9![Southwest logo]()
$398
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Mon 6/15:46 pm
SDF
- DEN
1 stop6h 13m
United Airlines
Thu 6/46:08 pm
DEN
- SDF
Nonstop2h 51m
United Airlines
Deal found 3/10![United Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 3/10. 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 3/266:00 am
SDF
- DEN
1 stop7h 45m
United Airlines
Tue 3/315:58 pm
DEN
- SDF
Nonstop2h 41m
United Airlines
Deal found 3/10![United Airlines logo]()
$433
Last-minute flights from Louisville to DenverDiscover last-minute flight deals from Louisville to Denver. Data last updated March 12, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Denver. Data last updated March 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/19:00 am
SDF
- DEN
Nonstop3h 08m
United Airlines
Sat 4/185:58 pm
DEN
- SDF
Nonstop2h 41m
United Airlines
Deal found 3/8![United Airlines logo]()
$295
This United Airlines deal was found by Cheapflights users on 3/9. 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 4/19:15 am
SDF
- DEN
1 stop7h 18m
United Airlines
Wed 4/85:58 pm
DEN
- SDF
Nonstop2h 41m
United Airlines
Deal found 3/9![United Airlines logo]()
$305
This United Airlines deal was found by Cheapflights users on 3/9. 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 4/73:36 pm
SDF
- DEN
Nonstop3h 09m
United Airlines
Tue 4/145:58 pm
DEN
- SDF
Nonstop2h 41m
United Airlines
Deal found 3/9![United Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 3/9. 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 4/89:00 am
SDF
- DEN
Nonstop3h 08m
United Airlines
Wed 4/154:35 pm
DEN
- SDF
1 stop5h 24m
United Airlines
Deal found 3/9![United Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 3/9. 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 4/86:40 pm
SDF
- DEN
Nonstop2h 50m
Southwest
Wed 4/1512:05 pm
DEN
- SDF
2 stops7h 00m
Southwest
Deal found 3/9![Southwest logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/1412:42 pm
SDF
- DEN
2 stops37h 37m
Multiple Airlines
Tue 5/1211:40 am
DEN
- SDF
1 stop18h 56m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 am
SDF
- DEN
1 stop5h 25m
Delta
Tue 4/214:30 pm
DEN
- SDF
1 stop5h 29m
Delta
Deal found 3/9![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
SDF
- DEN
1 stop5h 25m
Delta
Sat 4/254:30 pm
DEN
- SDF
1 stop5h 29m
Delta
Deal found 3/9![Delta logo]()
$306
This Southwest deal was found by Cheapflights users on 3/10. 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 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 3/10![Southwest logo]()
$286
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 March 12, 2026.
Search for one-way flight options from Louisville to Denver. Find affordable one-way fares based on user searches. Data last updated March 12, 2026.
This Trip.com deal was found by Cheapflights users on 3/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:12 pm
SDF
- DEN
1 stop27h 47m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 4/137:48 pm
SDF
- DEN
2 stops18h 21m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/247:48 pm
SDF
- DEN
2 stops29h 21m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$127
This Trip.com deal was found by Cheapflights users on 3/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:42 pm
SDF
- DEN
2 stops12h 17m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/187:48 pm
SDF
- DEN
2 stops29h 15m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 5/47:48 pm
SDF
- DEN
2 stops29h 15m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 3/9. 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
Deal found 3/9![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 33m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$135
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 March 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $260 (Kiwi.com) |
One-way from | $117 (Trip.com) |
Popular in | December |
Cheapest in | August |
Average price | $447 |
Good round-trip deal | $372 or less |
Good one-way deal | $228 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 March 12, 2026.
Use the filters below to find and compare flights from Louisville to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Wed 4/15
6:40 pm-7:30 pm
Nonstop2h 50m
Denver Intl
Sat 4/25
12:30 pm-4:55 pm
Nonstop2h 25m
$295
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Wed 5/13
9:00 am-10:07 am
Nonstop3h 07m
Denver Intl
Sat 5/23
4:45 pm-11:59 pm
1 stop5h 14m
$305
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Sat 5/2
3:37 pm-4:45 pm
Nonstop3h 08m
Denver Intl
Sat 5/9
6:00 am-2:54 pm
1 stop6h 54m
$305
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Thu 5/28
4:45 pm-9:30 pm
1 stop6h 45m
Denver Intl
Sat 5/30
12:30 pm-4:55 pm
Nonstop2h 25m
$381
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Thu 4/23
3:36 pm-4:45 pm
Nonstop3h 09m
Denver Intl
Sun 4/26
3:20 pm-11:59 pm
1 stop6h 39m
$381
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Wed 4/15
11:12 am-3:17 pm
1 stop6h 05m
Denver Intl
Sun 4/19
5:45 am-2:31 pm
1 stop6h 46m
$392
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Wed 6/10
10:55 am-5:05 pm
1 stop8h 10m
Denver Intl
Fri 6/19
1:20 pm-12:25 am
2 stops9h 05m
$397
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Wed 4/15
12:10 pm-7:30 pm
2 stops9h 20m
Denver Intl
Sun 4/19
10:35 am-12:20 am
2 stops11h 45m
$398
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Mon 6/1
5:46 pm-9:59 pm
1 stop6h 13m
Denver Intl
Thu 6/4
6:08 pm-10:59 pm
Nonstop2h 51m
$405
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Thu 3/26
6:00 am-11:45 am
1 stop7h 45m
Denver Intl
Tue 3/31
5:58 pm-10:39 pm
Nonstop2h 41m
$433
Showing 1-10 of 22 resultsSorted by cheapest first
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 March.
| 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
Prices
Airlines
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 March 6, 2026.
Booking 68 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 July 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 March 12, 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 12% on your trip compared to booking a flight in the morning.
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 March 12, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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.
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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
Central City
Cripple Creek
Winter Park
Glendale
Manitou Springs
Frisco
Fort Morgan
Brighton
Evergreen
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Louisville and Denver flights
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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 March 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$371 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$175 | Average$345 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$245 | Average$428 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$267 | Average$423 | FlexibilityNo cancel fee | On-time63% |