$99+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DEN
Feb 17 — Feb 241
1 adult, Economy
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Find cheap flights from Louisville to Denver with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Louisville Intl to Denver Intl are usually found in April or August, booked 68 days in advance, depart on a Tuesday or Wednesday and return on a Saturday
Cheap 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 January 18, 2026.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $231 (Kiwi.com) |
One-way from | $99 (Trip.com) |
Popular in | December |
Cheapest in | April |
Average price | $420 |
Good round-trip deal | $387 or less |
Good one-way deal | $218 or less |
Find flight deals from Louisville to Denver
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 January 18, 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 January 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 2/231:19 pm
SDF
- DEN
1 stop21h 01m
Multiple Airlines
Mon 3/26:00 am
DEN
- SDF
2 stops52h 21m
Multiple Airlines
Deal found 1/17![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 2/152:26 pm
SDF
- DEN
1 stop9h 22m
Multiple Airlines
Wed 2/188:00 pm
DEN
- SDF
2 stops34h 40m
Multiple Airlines
Deal found 1/17![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 3/52:26 pm
SDF
- DEN
1 stop6h 45m
Multiple Airlines
Tue 3/1011:59 pm
DEN
- SDF
1 stop10h 22m
Multiple Airlines
Deal found 1/18![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/243:33 pm
SDF
- DEN
2 stops24h 33m
Multiple Airlines
Tue 3/36:20 pm
DEN
- SDF
1 stop16h 01m
Multiple Airlines
Deal found 1/17![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/201:19 pm
SDF
- DEN
2 stops28h 59m
Multiple Airlines
Tue 2/2411:59 pm
DEN
- SDF
1 stop10h 22m
Multiple Airlines
Deal found 1/17![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 2/231:19 pm
SDF
- DEN
1 stop21h 01m
Multiple Airlines
Sat 2/281:42 pm
DEN
- SDF
2 stops21h 44m
Multiple Airlines
Deal found 1/17![Multiple Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 4/112:03 pm
SDF
- DEN
1 stop13h 06m
Multiple Airlines
Mon 4/65:53 pm
DEN
- SDF
2 stops16h 26m
Multiple Airlines
Deal found 1/17![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/243:33 pm
SDF
- DEN
2 stops24h 33m
Multiple Airlines
Tue 3/1011:59 pm
DEN
- SDF
1 stop10h 22m
Multiple Airlines
Deal found 1/18![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 3/712:00 pm
SDF
- DEN
2 stops14h 16m
Multiple Airlines
Sun 3/1511:59 pm
DEN
- SDF
1 stop9h 09m
Multiple Airlines
Deal found 1/17![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 1/17. 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 2/1412:00 pm
SDF
- DEN
2 stops22h 11m
Multiple Airlines
Wed 2/186:20 pm
DEN
- SDF
1 stop24h 02m
Multiple Airlines
Deal found 1/17![Multiple Airlines logo]()
$297
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 January 18, 2026.
Use the filters below to find and compare flights from Louisville to Denver that are best for you.
Fly from
Louisville
Fly to
Denver
Route
Depart
Return
Price
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Tue 2/24
9:00 am-10:17 am
Nonstop3h 17m
Denver Intl
Mon 3/2
6:00 pm-10:37 pm
Nonstop2h 37m
$361
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Sat 2/14
9:00 am-10:17 am
Nonstop3h 17m
Denver Intl
Wed 2/18
6:00 pm-10:37 pm
Nonstop2h 37m
$361
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Tue 2/24
3:15 pm-4:31 pm
Nonstop3h 16m
Denver Intl
Tue 3/3
9:40 am-2:19 pm
Nonstop2h 39m
$361
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Wed 4/15
9:00 am-10:08 am
Nonstop3h 08m
Denver Intl
Tue 4/21
5:58 pm-10:39 pm
Nonstop2h 41m
$361
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Thu 4/23
9:00 am-10:08 am
Nonstop3h 08m
Denver Intl
Mon 4/27
5:58 pm-10:39 pm
Nonstop2h 41m
$361
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Sat 4/11
1:45 pm-2:35 pm
Nonstop2h 50m
Denver Intl
Wed 4/15
1:35 pm-10:55 pm
1 stop7h 20m
$371
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Mon 2/23
6:40 pm-10:40 pm
1 stop6h 00m
Denver Intl
Sat 2/28
11:15 am-9:35 pm
2 stops8h 20m
$386
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Sat 2/21
5:10 am-9:45 am
1 stop6h 35m
Denver Intl
Sat 2/21
11:55 am-8:30 pm
2 stops6h 35m
$386
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Thu 4/23
4:45 pm-9:30 pm
1 stop6h 45m
Denver Intl
Mon 4/27
12:50 pm-9:00 pm
2 stops6h 10m
$386
LouisvilleDenver
SDF - DEN
SDFDEN
Louisville Intl
Sun 2/8
2:26 pm-9:39 pm
1 stop9h 13m
$146
Showing 1-10 of 18 results
Compare providers for flights from Louisville to Denver
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Denver in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Louisville-Denver flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Denver flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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 January 16, 2026.
Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Louisville to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Louisville to Denver?
Currently, November is the cheapest month in which you can book a flight from Louisville to Denver (average of $69). Flying from Louisville to Denver in December is currently the most expensive (average of $111). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SDF to DEN?
Find hourly flight availability from Louisville to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 18, 2026.
A simple way to save on the total cost of your ticket is to fly from Louisville to Denver in the evening. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight in the morning.
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated January 18, 2026.
See what other customers who have flown with Southwest, Delta, and United Airlines from Louisville to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
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
Lakewood
Broomfield
Westminster
Golden
Greeley
Lone Tree
Wheat Ridge
Cripple Creek
Winter Park
Silverthorne
Central City
Centennial
Manitou Springs
Frisco
Fort Morgan
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Idaho Springs
Browse thousands of different options on Cheapflights for your next trip
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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.
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 January 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$175 | Average$345 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$211 | Average$370 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$244 | Average$427 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$267 | Average$416 | FlexibilityNo cancel fee | On-time63% |