$135+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DEN
Jul 6 — Jul 131
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 January, 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 June 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 June 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/236:55 pm
SDF
- DEN
2 stops38h 54m
Multiple Airlines
Wed 7/298:55 am
DEN
- SDF
1 stop23h 37m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$288
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Wed 7/158:00 am
SDF
- DEN
Nonstop2h 59m
United Airlines
Tue 7/216:08 pm
DEN
- SDF
Nonstop2h 51m
United Airlines
Deal found 6/2![United Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Mon 8/179:10 pm
SDF
- DEN
2 stops28h 43m
Multiple Airlines
Sat 8/2211:59 pm
DEN
- SDF
1 stop8h 33m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$302
This Southwest deal was found by Cheapflights users on 6/5. 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.
Wed 7/87:45 pm
SDF
- DEN
1 stop5h 10m
Southwest
Tue 7/147:40 pm
DEN
- SDF
Nonstop2h 40m
Southwest
Deal found 6/5![Southwest logo]()
$307
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Wed 8/53:25 pm
SDF
- DEN
Nonstop2h 59m
United Airlines
Sat 8/89:45 am
DEN
- SDF
Nonstop2h 43m
United Airlines
Deal found 6/4![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 6/1. 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 7/215:25 pm
SDF
- DEN
2 stops7h 45m
Southwest
Tue 7/287:40 pm
DEN
- SDF
Nonstop2h 40m
Southwest
Deal found 6/1![Southwest logo]()
$312
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/73:25 pm
SDF
- DEN
Nonstop2h 59m
United Airlines
Tue 7/146:08 pm
DEN
- SDF
Nonstop2h 51m
United Airlines
Deal found 6/5![United Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 6/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:50 am
SDF
- DEN
1 stop5h 09m
Delta
Mon 9/712:55 am
DEN
- SDF
1 stop6h 56m
Delta
Deal found 6/2![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 6/5. 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.
Wed 9/212:10 pm
SDF
- DEN
Nonstop2h 45m
Southwest
Mon 9/146:00 am
DEN
- SDF
1 stop7h 40m
Southwest
Deal found 6/5![Southwest logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/306:55 pm
SDF
- DEN
2 stops22h 59m
Multiple Airlines
Tue 8/410:39 pm
DEN
- SDF
1 stop18h 47m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Sat 8/153:25 pm
SDF
- DEN
Nonstop3h 01m
United Airlines
Sat 8/225:45 pm
DEN
- SDF
Nonstop2h 46m
United Airlines
Deal found 6/4![United Airlines logo]()
$321
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 June 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 June 6, 2026.
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Wed 7/88:00 am
SDF
- DEN
Nonstop2h 59m
United Airlines
Tue 7/144:59 pm
DEN
- SDF
1 stop5h 00m
United Airlines
Deal found 6/5![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 6/2. 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.
Wed 7/155:25 pm
SDF
- DEN
2 stops7h 45m
Southwest
Tue 7/217:40 pm
DEN
- SDF
Nonstop2h 40m
Southwest
Deal found 6/2![Southwest logo]()
$312
This Southwest deal was found by Cheapflights users on 6/5. 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 9/227:05 am
SDF
- DEN
2 stops7h 15m
Southwest
Tue 9/2911:15 am
DEN
- SDF
2 stops7h 20m
Southwest
Deal found 6/5![Southwest logo]()
$327
This United Airlines deal was found by Cheapflights users on 6/4. 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.
Tue 9/228:00 am
SDF
- DEN
Nonstop3h 00m
United Airlines
Wed 9/303:47 pm
DEN
- SDF
1 stop6h 12m
United Airlines
Deal found 6/4![United Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 6/3. 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.
Fri 8/148:30 am
SDF
- DEN
2 stops8h 40m
Southwest
Mon 8/1712:50 pm
DEN
- SDF
Nonstop2h 30m
Southwest
Deal found 6/3![Southwest logo]()
$409
This United Airlines deal was found by Cheapflights users on 6/1. 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 9/216:20 pm
SDF
- DEN
1 stop7h 33m
United Airlines
Thu 9/245:45 pm
DEN
- SDF
Nonstop2h 44m
United Airlines
Deal found 6/1![United Airlines logo]()
$421
This Southwest deal was found by Cheapflights users on 6/3. 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 6/293:00 pm
SDF
- DEN
1 stop6h 40m
Southwest
Wed 7/17:40 am
DEN
- SDF
2 stops5h 55m
Southwest
Deal found 6/3![Southwest logo]()
$433
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Sat 7/118:00 am
SDF
- DEN
Nonstop2h 59m
United Airlines
Sat 7/186:08 pm
DEN
- SDF
Nonstop2h 51m
United Airlines
Deal found 6/2![United Airlines logo]()
$467
This United Airlines deal was found by Cheapflights users on 6/2. 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 7/108:00 am
SDF
- DEN
Nonstop2h 59m
United Airlines
Wed 7/156:08 pm
DEN
- SDF
Nonstop2h 51m
United Airlines
Deal found 6/2![United Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Wed 9/23:25 pm
SDF
- DEN
Nonstop3h 01m
United Airlines
Tue 9/89:40 am
DEN
- SDF
Nonstop2h 43m
United Airlines
Deal found 6/5![United Airlines logo]()
$472
Last-minute flights from Louisville to DenverDiscover last-minute flight deals from Louisville to Denver. Data last updated June 6, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Denver. Data last updated June 6, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/73:25 pm
SDF
- DEN
Nonstop2h 59m
United Airlines
Tue 7/146:08 pm
DEN
- SDF
Nonstop2h 51m
United Airlines
Deal found 6/5![United Airlines logo]()
$313
This Southwest deal was found by Cheapflights users on 6/5. 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.
Wed 7/87:45 pm
SDF
- DEN
1 stop5h 10m
Southwest
Tue 7/147:40 pm
DEN
- SDF
Nonstop2h 40m
Southwest
Deal found 6/5![Southwest logo]()
$307
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Wed 7/158:00 am
SDF
- DEN
Nonstop2h 59m
United Airlines
Tue 7/216:08 pm
DEN
- SDF
Nonstop2h 51m
United Airlines
Deal found 6/2![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 6/1. 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 7/215:25 pm
SDF
- DEN
2 stops7h 45m
Southwest
Tue 7/287:40 pm
DEN
- SDF
Nonstop2h 40m
Southwest
Deal found 6/1![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 6/3. 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.
Tue 7/217:49 pm
SDF
- DEN
1 stop5h 38m
Delta
Wed 7/292:10 pm
DEN
- SDF
1 stop8h 16m
Delta
Deal found 6/3![Delta logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/236:55 pm
SDF
- DEN
2 stops38h 54m
Multiple Airlines
Wed 7/298:55 am
DEN
- SDF
1 stop23h 37m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Sun 7/263:18 pm
SDF
- DEN
2 stops17h 55m
Multiple Airlines
Wed 7/298:55 am
DEN
- SDF
1 stop23h 37m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 6/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/284:47 pm
SDF
- DEN
1 stop5h 56m
Delta
Wed 8/512:59 am
DEN
- SDF
1 stop6h 55m
Delta
Deal found 6/2![Delta logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/306:55 pm
SDF
- DEN
2 stops22h 59m
Multiple Airlines
Tue 8/410:39 pm
DEN
- SDF
1 stop18h 47m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 6/2. 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.
Thu 7/306:55 pm
SDF
- DEN
2 stops22h 59m
Multiple Airlines
Thu 8/611:59 pm
DEN
- SDF
1 stop12h 29m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$355
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 June 6, 2026.
Search for one-way flight options from Louisville to Denver. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Sun 8/211:13 am
SDF
- DEN
2 stops46h 36m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Thu 7/306:55 pm
SDF
- DEN
2 stops22h 59m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$139
This United Airlines deal was found by Cheapflights users on 6/2. 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 6/308:00 am
SDF
- DEN
Nonstop2h 59m
United Airlines
Deal found 6/2![United Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Sun 7/126:52 pm
SDF
- DEN
2 stops45h 58m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 8/38:48 pm
SDF
- DEN
2 stops38h 15m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Wed 9/22:56 pm
SDF
- DEN
3 stops33h 20m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 6/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:49 am
SDF
- DEN
1 stop5h 16m
Delta
Deal found 6/2![Delta logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 6/3. 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.
Mon 7/68:48 pm
SDF
- DEN
2 stops51h 17m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/278:24 pm
SDF
- DEN
2 stops27h 22m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$161
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 June 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $288 (Kiwi.com) |
One-way from | $135 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $471 |
Good round-trip deal | $448 or less |
Good one-way deal | $238 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 June 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
Wed 7/8
8:00 am-8:59 am
Nonstop2h 59m
Denver Intl
Tue 7/14
4:59 pm-11:59 pm
1 stop5h 00m
$307
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Wed 7/15
5:25 pm-11:10 pm
2 stops7h 45m
Denver Intl
Tue 7/21
7:40 pm-12:20 am
Nonstop2h 40m
$312
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Tue 9/22
7:05 am-12:20 pm
2 stops7h 15m
Denver Intl
Tue 9/29
11:15 am-8:35 pm
2 stops7h 20m
$327
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Tue 9/22
8:00 am-9:00 am
Nonstop3h 00m
Denver Intl
Wed 9/30
3:47 pm-11:59 pm
1 stop6h 12m
$397
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Fri 8/14
8:30 am-3:10 pm
2 stops8h 40m
Denver Intl
Mon 8/17
12:50 pm-5:20 pm
Nonstop2h 30m
$409
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Mon 9/21
6:20 pm-11:53 pm
1 stop7h 33m
Denver Intl
Thu 9/24
5:45 pm-10:29 pm
Nonstop2h 44m
$421
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Mon 6/29
3:00 pm-7:40 pm
1 stop6h 40m
Denver Intl
Wed 7/1
7:40 am-3:35 pm
2 stops5h 55m
$433
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Sat 7/11
8:00 am-8:59 am
Nonstop2h 59m
Denver Intl
Sat 7/18
6:08 pm-10:59 pm
Nonstop2h 51m
$467
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Fri 7/10
8:00 am-8:59 am
Nonstop2h 59m
Denver Intl
Wed 7/15
6:08 pm-10:59 pm
Nonstop2h 51m
$472
Quickest round-trip
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Wed 9/2
3:25 pm-4:26 pm
Nonstop3h 01m
Denver Intl
Tue 9/8
9:40 am-2:23 pm
Nonstop2h 43m
$472
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 June.
| 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, August is the cheapest month in which you can book a flight from Louisville to Denver (average of $382). 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 June 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 15% 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 June 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.
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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
Lakewood
Broomfield
Centennial
Golden
Greeley
Fort Morgan
Lone Tree
Wheat Ridge
Silverthorne
Central City
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.
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Complete your trip
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Other flights from Louisville
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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 June 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 June 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 June 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 June 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$98 | Average$396 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$175 | Average$316 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$267 | Average$447 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$267 | Average$450 | FlexibilityNo cancel fee | On-time69% |