$124+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DEN
Aug 5 — Aug 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 January or August, booked 84 days in advance, depart on a Wednesday or Saturday 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 July 6, 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 July 6, 2026.
This Southwest deal was found by Cheapflights users on 7/3. 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 8/171:45 pm
SDF
- DEN
1 stop6h 10m
Southwest
Mon 8/2411:50 am
DEN
- SDF
2 stops6h 40m
Southwest
Deal found 7/3![Southwest logo]()
$320
This United Airlines deal was found by Cheapflights users on 7/2. 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 10/85:15 am
SDF
- DEN
1 stop5h 37m
United Airlines
Tue 10/135:48 pm
DEN
- SDF
Nonstop2h 42m
United Airlines
Deal found 7/2![United Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 9/2310:56 am
SDF
- DEN
2 stops13h 37m
Multiple Airlines
Sun 9/2712:17 pm
DEN
- SDF
1 stop24h 11m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 7/3. 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 8/57:54 pm
SDF
- DEN
1 stop5h 40m
Delta
Tue 8/116:00 am
DEN
- SDF
1 stop7h 50m
Delta
Deal found 7/3![Delta logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 9/209:09 pm
SDF
- DEN
1 stop27h 50m
Multiple Airlines
Sun 9/2712:17 pm
DEN
- SDF
1 stop24h 11m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$360
This United Airlines deal was found by Cheapflights users on 7/1. 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 7/283:25 pm
SDF
- DEN
Nonstop2h 59m
United Airlines
Wed 8/56:08 pm
DEN
- SDF
Nonstop2h 51m
United Airlines
Deal found 7/1![United Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 7/1. 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 8/812:35 pm
SDF
- DEN
1 stop4h 48m
Delta
Sat 8/156:00 am
DEN
- SDF
1 stop6h 18m
Delta
Deal found 7/1![Delta logo]()
$365
This United Airlines deal was found by Cheapflights users on 7/2. 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 10/23:36 pm
SDF
- DEN
Nonstop3h 00m
United Airlines
Tue 10/69:50 am
DEN
- SDF
Nonstop2h 44m
United Airlines
Deal found 7/2![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/1. 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 7/283:25 pm
SDF
- DEN
Nonstop2h 59m
United Airlines
Thu 8/66:08 pm
DEN
- SDF
Nonstop2h 51m
United Airlines
Deal found 7/1![United Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 7/1. 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 8/153:25 pm
SDF
- DEN
Nonstop3h 01m
United Airlines
Mon 8/175:45 pm
DEN
- SDF
Nonstop2h 46m
United Airlines
Deal found 7/1![United Airlines logo]()
$374
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 July 6, 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 July 6, 2026.
This United Airlines deal was found by Cheapflights users on 7/1. 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 9/145:15 am
SDF
- DEN
1 stop5h 37m
United Airlines
Wed 9/165:52 pm
DEN
- SDF
Nonstop2h 44m
United Airlines
Deal found 7/1![United Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 7/2. 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.
Sun 9/201:25 pm
SDF
- DEN
Nonstop2h 45m
Southwest
Wed 9/231:15 pm
DEN
- SDF
1 stop7h 45m
Southwest
Deal found 7/2![Southwest logo]()
$428
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/317:25 am
SDF
- DEN
1 stop6h 43m
United Airlines
Wed 9/95:52 pm
DEN
- SDF
Nonstop2h 44m
United Airlines
Deal found 7/2![United Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 7/2. 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 8/138:00 am
SDF
- DEN
Nonstop2h 55m
United Airlines
Sun 8/166:00 am
DEN
- SDF
1 stop5h 11m
United Airlines
Deal found 7/2![United Airlines logo]()
$402
This Southwest deal was found by Cheapflights users on 7/1. 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 9/2510:40 am
SDF
- DEN
Nonstop2h 45m
Southwest
Mon 9/2812:50 pm
DEN
- SDF
Nonstop2h 30m
Southwest
Deal found 7/1![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 7/5. 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 8/1112:10 pm
SDF
- DEN
Nonstop2h 45m
Southwest
Sat 8/2210:10 am
DEN
- SDF
1 stop8h 55m
Southwest
Deal found 7/5![Southwest logo]()
$477
This United Airlines deal was found by Cheapflights users on 7/5. 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 8/298:00 am
SDF
- DEN
Nonstop2h 55m
United Airlines
Mon 9/79:45 am
DEN
- SDF
Nonstop2h 44m
United Airlines
Deal found 7/5![United Airlines logo]()
$467
This Southwest deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1211:05 am
SDF
- DEN
Nonstop3h 00m
Southwest
Thu 10/157:45 am
DEN
- SDF
2 stops6h 40m
Southwest
Deal found 7/5![Southwest logo]()
$482
This United Airlines deal was found by Cheapflights users on 7/5. 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 8/48:00 am
SDF
- DEN
Nonstop2h 55m
United Airlines
Tue 8/115:45 pm
DEN
- SDF
Nonstop2h 46m
United Airlines
Deal found 7/5![United Airlines logo]()
$467
This United Airlines deal was found by Cheapflights users on 7/3. 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 9/223:25 pm
SDF
- DEN
Nonstop3h 00m
United Airlines
Thu 9/245:48 pm
DEN
- SDF
Nonstop2h 42m
United Airlines
Deal found 7/3![United Airlines logo]()
$471
This United Airlines deal was found by Cheapflights users on 7/4. 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 11/198:00 am
SDF
- DEN
Nonstop3h 07m
United Airlines
Sun 11/225:45 pm
DEN
- SDF
Nonstop2h 38m
United Airlines
Deal found 7/4![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 7/2. 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 9/278:00 am
SDF
- DEN
Nonstop2h 58m
United Airlines
Sat 10/38:51 am
DEN
- SDF
1 stop8h 20m
United Airlines
Deal found 7/2![United Airlines logo]()
$480
Last-minute flights from Louisville to DenverDiscover last-minute flight deals from Louisville to Denver. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Denver. Data last updated July 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 7/115:44 pm
SDF
- DEN
1 stop23h 50m
Multiple Airlines
Sat 7/186:11 pm
DEN
- SDF
2 stops22h 04m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$569
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 7/115:44 pm
SDF
- DEN
1 stop23h 50m
Multiple Airlines
Mon 7/1311:59 pm
DEN
- SDF
2 stops30h 37m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$647
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 7/139:31 am
SDF
- DEN
1 stop26h 15m
Multiple Airlines
Fri 7/176:00 am
DEN
- SDF
2 stops24h 36m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$649
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 7/139:31 am
SDF
- DEN
1 stop17h 58m
Multiple Airlines
Mon 7/2011:59 pm
DEN
- SDF
2 stops30h 37m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$682
This American Airlines deal was found by Cheapflights users on 7/2. 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 7/141:18 pm
SDF
- DEN
1 stop10h 14m
American Airlines
Thu 8/65:06 am
DEN
- SDF
1 stop5h 43m
American Airlines
Deal found 7/2![American Airlines logo]()
$584
This United Airlines deal was found by Cheapflights users on 7/2. 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 7/149:00 am
SDF
- DEN
1 stop5h 45m
United Airlines
Thu 8/69:45 am
DEN
- SDF
Nonstop2h 43m
United Airlines
Deal found 7/2![United Airlines logo]()
$634
This Southwest deal was found by Cheapflights users on 7/2. 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 7/147:25 am
SDF
- DEN
2 stops5h 55m
Southwest
Thu 8/62:50 pm
DEN
- SDF
1 stop6h 15m
Southwest
Deal found 7/2![Southwest logo]()
$724
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 7/158:06 pm
SDF
- DEN
1 stop20h 13m
Multiple Airlines
Mon 7/2011:59 pm
DEN
- SDF
2 stops30h 37m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$713
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 7/166:50 pm
SDF
- DEN
2 stops14h 23m
Multiple Airlines
Tue 7/216:03 am
DEN
- SDF
1 stop24h 33m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$622
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 7/1611:12 am
SDF
- DEN
1 stop29h 32m
Multiple Airlines
Mon 7/2011:59 pm
DEN
- SDF
2 stops30h 37m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$705
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 July 6, 2026.
Search for one-way flight options from Louisville to Denver. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:06 pm
SDF
- DEN
1 stop15h 19m
Allegiant Air
Deal found 7/5![Allegiant Air logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:14 pm
SDF
- DEN
1 stop15h 11m
Allegiant Air
Deal found 7/4![Allegiant Air logo]()
$127
This Southwest deal was found by Cheapflights users on 7/1. 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 9/2912:10 pm
SDF
- DEN
Nonstop2h 45m
Southwest
Deal found 7/1![Southwest logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:39 am
SDF
- DEN
1 stop7h 58m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$140
This Delta deal was found by Cheapflights users on 7/1. 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 7/288:10 am
SDF
- DEN
1 stop6h 50m
Delta
Deal found 7/1![Delta logo]()
$146
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/58:00 am
SDF
- DEN
Nonstop2h 55m
United Airlines
Deal found 7/3![United Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/2410:39 am
SDF
- DEN
2 stops32h 06m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$155
This Delta deal was found by Cheapflights users on 7/3. 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.
Thu 8/133:25 pm
SDF
- DEN
1 stop6h 27m
Delta
Deal found 7/3![Delta logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 9/2610:56 am
SDF
- DEN
2 stops13h 37m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$159
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 July 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $320 (Southwest) |
One-way from | $124 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $489 |
Good round-trip deal | $421 or less |
Good one-way deal | $243 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 July 6, 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
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Mon 9/14
5:15 am-8:52 am
1 stop5h 37m
Denver Intl
Wed 9/16
5:52 pm-10:36 pm
Nonstop2h 44m
$379
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Mon 8/31
7:25 am-12:08 pm
1 stop6h 43m
Denver Intl
Wed 9/9
5:52 pm-10:36 pm
Nonstop2h 44m
$383
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Thu 8/13
8:00 am-8:55 am
Nonstop2h 55m
Denver Intl
Sun 8/16
6:00 am-1:11 pm
1 stop5h 11m
$402
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Sun 9/20
1:25 pm-2:10 pm
Nonstop2h 45m
Denver Intl
Wed 9/23
1:15 pm-11:00 pm
1 stop7h 45m
$428
Quickest round-trip
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Fri 9/25
10:40 am-11:25 am
Nonstop2h 45m
Denver Intl
Mon 9/28
12:50 pm-5:20 pm
Nonstop2h 30m
$467
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Sat 8/29
8:00 am-8:55 am
Nonstop2h 55m
Denver Intl
Mon 9/7
9:45 am-2:29 pm
Nonstop2h 44m
$467
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Tue 8/4
8:00 am-8:55 am
Nonstop2h 55m
Denver Intl
Tue 8/11
5:45 pm-10:31 pm
Nonstop2h 46m
$467
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Tue 9/22
3:25 pm-4:25 pm
Nonstop3h 00m
Denver Intl
Thu 9/24
5:48 pm-10:30 pm
Nonstop2h 42m
$471
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Tue 8/11
12:10 pm-12:55 pm
Nonstop2h 45m
Denver Intl
Sat 8/22
10:10 am-9:05 pm
1 stop8h 55m
$477
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Thu 11/19
8:00 am-9:07 am
Nonstop3h 07m
Denver Intl
Sun 11/22
5:45 pm-10:23 pm
Nonstop2h 38m
$478
Showing 1-10 of 24 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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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?
Booking 83 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, January is the cheapest month in which you can book a flight from Louisville to Denver (average of $403). Flying from Louisville to Denver in December is currently the most expensive (average of $499). 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 July 6, 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 19% 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 July 6, 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.
Overall
7.9
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
7.9
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
7.9
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
7.9
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Overall
7.9
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
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
Westminster
Centennial
Lakewood
Broomfield
Golden
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
Evergreen
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
Denver flight routes
Flights by cabin class
Other flight options
Other flights from Louisville
Popular flights
Alternative routes for Louisville to Denver
See prices for flight routes from nearby airports that may be better suited for you.
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 July 6, 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 July 6, 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 July 6, 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 July 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$401 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$175 | Average$316 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$267 | Average$446 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$267 | Average$451 | FlexibilityNo cancel fee | On-time69% |