$120+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DEN
mei. 17 — mei. 241
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 August or January, booked 45 days in advance, depart on a Wednesday or Tuesday and return on a Friday
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 april 17, 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 april 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
wo 5/69:21 am
SDF
- DEN
1 stop26h 43m
Multiple Airlines
di 5/129:06 pm
DEN
- SDF
2 stops33h 57m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
ma 5/410:33 am
SDF
- DEN
2 stops23h 33m
Multiple Airlines
za 5/97:20 am
DEN
- SDF
1 stop10h 06m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 6/19:10 pm
SDF
- DEN
2 stops35h 23m
Multiple Airlines
za 6/67:00 am
DEN
- SDF
1 stop10h 26m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 5/910:33 am
SDF
- DEN
2 stops13h 51m
Multiple Airlines
di 5/127:00 am
DEN
- SDF
1 stop23h 36m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 5/17:48 pm
SDF
- DEN
2 stops29h 21m
Multiple Airlines
di 5/57:00 am
DEN
- SDF
1 stop23h 36m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 4/302:27 pm
SDF
- DEN
1 stop10h 32m
Multiple Airlines
za 5/99:06 pm
DEN
- SDF
2 stops34h 22m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
wo 5/68:06 pm
SDF
- DEN
2 stops29h 38m
Multiple Airlines
za 5/97:20 am
DEN
- SDF
1 stop10h 06m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
do 4/302:26 pm
SDF
- DEN
2 stops19h 55m
Multiple Airlines
di 5/57:00 am
DEN
- SDF
1 stop23h 36m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 4/302:27 pm
SDF
- DEN
1 stop10h 32m
Multiple Airlines
wo 5/65:00 pm
DEN
- SDF
2 stops38h 28m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 4/13. 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.
di 6/26:40 pm
SDF
- DEN
Nonstop2h 50m
Southwest
di 6/97:40 pm
DEN
- SDF
Nonstop2h 35m
Southwest
Deal found 4/13![Southwest logo]()
$297
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 april 17, 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 april 17, 2026.
This Southwest deal was found by Cheapflights users on 4/13. 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.
di 6/26:40 pm
SDF
- DEN
Nonstop2h 50m
Southwest
di 6/97:10 am
DEN
- SDF
1 stop7h 35m
Southwest
Deal found 4/13![Southwest logo]()
$307
This Delta deal was found by Cheapflights users on 4/12. 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.
do 6/188:09 pm
SDF
- DEN
1 stop6h 25m
Delta
di 6/2312:12 pm
DEN
- SDF
1 stop4h 59m
Delta
Deal found 4/12![Delta logo]()
$402
This Southwest deal was found by Cheapflights users on 4/13. 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.
di 5/191:35 pm
SDF
- DEN
1 stop5h 50m
Southwest
do 5/214:00 pm
DEN
- SDF
1 stop6h 15m
Southwest
Deal found 4/13![Southwest logo]()
$326
This Southwest deal was found by Cheapflights users on 4/14. 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.
wo 5/612:10 pm
SDF
- DEN
2 stops9h 20m
Southwest
za 5/910:45 am
DEN
- SDF
1 stop5h 25m
Southwest
Deal found 4/14![Southwest logo]()
$331
This Delta deal was found by Cheapflights users on 4/12. 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.
do 5/287:59 pm
SDF
- DEN
1 stop6h 34m
Delta
vr 6/53:15 pm
DEN
- SDF
1 stop7h 10m
Delta
Deal found 4/12![Delta logo]()
$411
This Southwest deal was found by Cheapflights users on 4/16. 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.
do 6/111:10 pm
SDF
- DEN
Nonstop2h 45m
Southwest
di 6/167:40 pm
DEN
- SDF
Nonstop2h 35m
Southwest
Deal found 4/16![Southwest logo]()
$393
This Southwest deal was found by Cheapflights users on 4/15. 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.
di 6/167:25 am
SDF
- DEN
2 stops5h 55m
Southwest
vr 6/192:00 pm
DEN
- SDF
1 stop8h 25m
Southwest
Deal found 4/15![Southwest logo]()
$418
This Southwest deal was found by Cheapflights users on 4/14. 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.
di 5/196:40 pm
SDF
- DEN
Nonstop2h 50m
Southwest
do 5/2811:35 am
DEN
- SDF
Nonstop2h 30m
Southwest
Deal found 4/14![Southwest logo]()
$433
This Southwest deal was found by Cheapflights users on 4/14. 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.
wo 6/241:00 pm
SDF
- DEN
Nonstop2h 45m
Southwest
za 6/274:55 pm
DEN
- SDF
1 stop6h 25m
Southwest
Deal found 4/14![Southwest logo]()
$437
This Southwest deal was found by Cheapflights users on 4/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 7/91:10 pm
SDF
- DEN
Nonstop2h 45m
Southwest
vr 7/1012:55 pm
DEN
- SDF
Nonstop2h 30m
Southwest
Deal found 4/12![Southwest logo]()
$467
Last-minute flights from Louisville to DenverDiscover last-minute flight deals from Louisville to Denver. Data last updated april 17, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Denver. Data last updated april 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
zo 4/262:26 pm
SDF
- DEN
2 stops34h 03m
Multiple Airlines
za 5/23:45 pm
DEN
- SDF
1 stop19h 41m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
zo 4/262:26 pm
SDF
- DEN
2 stops23h 26m
Multiple Airlines
di 5/57:00 am
DEN
- SDF
1 stop23h 36m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
zo 4/262:26 pm
SDF
- DEN
1 stop11h 33m
Multiple Airlines
zo 5/35:15 am
DEN
- SDF
2 stops26h 13m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
zo 4/269:14 pm
SDF
- DEN
2 stops16h 38m
Multiple Airlines
wo 4/293:32 pm
DEN
- SDF
1 stop17h 01m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 4/276:06 pm
SDF
- DEN
2 stops20h 08m
Multiple Airlines
di 5/57:00 am
DEN
- SDF
1 stop23h 36m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 4/276:06 pm
SDF
- DEN
2 stops20h 08m
Multiple Airlines
wo 5/67:00 am
DEN
- SDF
1 stop28h 27m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 4/276:06 pm
SDF
- DEN
2 stops20h 08m
Multiple Airlines
za 5/97:00 am
DEN
- SDF
1 stop28h 27m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 4/276:06 pm
SDF
- DEN
2 stops20h 08m
Multiple Airlines
vr 5/810:39 pm
DEN
- SDF
1 stop18h 47m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
ma 4/277:48 pm
SDF
- DEN
2 stops18h 26m
Multiple Airlines
wo 4/293:32 pm
DEN
- SDF
1 stop17h 01m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 4/276:06 pm
SDF
- DEN
2 stops20h 08m
Multiple Airlines
do 5/710:29 pm
DEN
- SDF
1 stop19h 19m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 4/12. 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.
ma 4/274:42 pm
SDF
- DEN
1 stop5h 22m
Delta
wo 5/610:43 am
DEN
- SDF
1 stop5h 32m
Delta
Deal found 4/12![Delta logo]()
$453
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 april 17, 2026.
Search for one-way flight options from Louisville to Denver. Find affordable one-way fares based on user searches. Data last updated april 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
vr 5/1510:33 am
SDF
- DEN
2 stops39h 11m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
ma 5/410:33 am
SDF
- DEN
2 stops46h 00m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
ma 6/159:15 pm
SDF
- DEN
2 stops27h 46m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
ma 5/1110:33 am
SDF
- DEN
2 stops37h 51m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
do 6/118:49 pm
SDF
- DEN
1 stop27h 50m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
ma 5/187:48 pm
SDF
- DEN
2 stops22h 17m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
ma 5/2510:33 am
SDF
- DEN
2 stops39h 25m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
do 5/1410:33 am
SDF
- DEN
2 stops47h 33m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
zo 5/1710:33 am
SDF
- DEN
2 stops39h 25m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 4/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
zo 6/146:55 pm
SDF
- DEN
2 stops39h 00m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$145
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 april 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $261 (Kiwi.com) |
One-way from | $120 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $425 |
Good round-trip deal | $398 or less |
Good one-way deal | $233 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 april 17, 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
di 6/2
6:40 pm-7:30 pm
Nonstop2h 50m
Denver Intl
di 6/9
7:10 am-4:45 pm
1 stop7h 35m
$307
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
di 5/19
1:35 pm-5:25 pm
1 stop5h 50m
Denver Intl
do 5/21
4:00 pm-12:15 am
1 stop6h 15m
$326
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
wo 5/6
12:10 pm-7:30 pm
2 stops9h 20m
Denver Intl
za 5/9
10:45 am-6:10 pm
1 stop5h 25m
$331
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
do 6/11
1:10 pm-1:55 pm
Nonstop2h 45m
Denver Intl
di 6/16
7:40 pm-12:15 am
Nonstop2h 35m
$393
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
do 6/18
8:09 pm-12:34 am
1 stop6h 25m
Denver Intl
di 6/23
12:12 pm-7:11 pm
1 stop4h 59m
$402
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
do 5/28
7:59 pm-12:33 am
1 stop6h 34m
Denver Intl
vr 6/5
3:15 pm-12:25 am
1 stop7h 10m
$411
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
di 6/16
7:25 am-11:20 am
2 stops5h 55m
Denver Intl
vr 6/19
2:00 pm-12:25 am
1 stop8h 25m
$418
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
di 5/19
6:40 pm-7:30 pm
Nonstop2h 50m
Denver Intl
do 5/28
11:35 am-4:05 pm
Nonstop2h 30m
$433
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
wo 6/24
1:00 pm-1:45 pm
Nonstop2h 45m
Denver Intl
za 6/27
4:55 pm-1:20 am
1 stop6h 25m
$437
Quickest round-trip
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
do 7/9
1:10 pm-1:55 pm
Nonstop2h 45m
Denver Intl
vr 7/10
12:55 pm-5:25 pm
Nonstop2h 30m
$467
Showing 1-10 of 19 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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 April 10, 2026.
Booking 45 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 $377). 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 april 17, 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 16% 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 april 17, 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
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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
Westminster
Broomfield
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Fort Morgan
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 april 17, 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 april 17, 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 april 17, 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 april 17, 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$253 | Average$437 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$267 | Average$424 | FlexibilityNo cancel fee | On-time63% |