HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$48+ Cheap flights from Kentucky to Denver (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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DEN
Mar 23 — Mar 301
Mon 3/23
Mon 3/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kentucky 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.

Cheap flight deals from Kentucky to Denver

Cheapest flights from Kentucky to Denver
Explore the most affordable flight options available from Kentucky to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 2/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/163:01 pm
BNA
-
DEN
Nonstop3h 10m
Frontier
Wed 3/1810:40 am
DEN
-
BNA
Nonstop2h 36m
Frontier
Deal found 2/19$107
This Frontier deal was found by Cheapflights users on 2/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/313:01 pm
BNA
-
DEN
Nonstop3h 10m
Frontier
Sun 4/510:45 am
DEN
-
BNA
Nonstop2h 44m
Frontier
Deal found 2/18$108
This Cheapflightsfares deal was found by Cheapflights users on 2/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:17 pm
CVG
-
DEN
Nonstop3h 17m
Frontier
Sun 4/192:26 pm
DEN
-
CVG
Nonstop2h 46m
Frontier
Deal found 2/21$123
This Super.com deal was found by Cheapflights users on 2/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/23:14 pm
BNA
-
DEN
Nonstop3h 12m
Frontier
Mon 4/610:45 am
DEN
-
BNA
Nonstop2h 44m
Frontier
Deal found 2/19$126
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:19 pm
CVG
-
DEN
1 stop25h 50m
Frontier
Wed 4/1511:59 pm
DEN
-
CVG
1 stop15h 34m
Frontier
Deal found 2/20$126
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/103:14 pm
BNA
-
DEN
Nonstop3h 12m
Frontier
Sun 4/1210:45 am
DEN
-
BNA
Nonstop2h 44m
Frontier
Deal found 2/20$127
This Cheapflightsfares deal was found by Cheapflights users on 2/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/197:20 am
CVG
-
DEN
Nonstop3h 20m
Frontier
Mon 3/239:40 am
DEN
-
CVG
Nonstop2h 44m
Frontier
Deal found 2/18$127
This Frontier deal was found by Cheapflights users on 2/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/263:01 pm
BNA
-
DEN
Nonstop3h 10m
Frontier
Mon 4/610:45 am
DEN
-
BNA
Nonstop2h 44m
Frontier
Deal found 2/18$128
This Frontier deal was found by Cheapflights users on 2/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:00 am
CVG
-
DEN
Nonstop3h 20m
Frontier
Fri 4/172:26 pm
DEN
-
CVG
Nonstop2h 46m
Frontier
Deal found 2/20$128
This Super.com deal was found by Cheapflights users on 2/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:24 pm
BNA
-
DEN
Nonstop3h 12m
Frontier
Sun 5/1710:45 am
DEN
-
BNA
Nonstop2h 44m
Frontier
Deal found 2/19$131
This Super.com deal was found by Cheapflights users on 2/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:20 am
CVG
-
DEN
Nonstop3h 20m
Frontier
Sun 3/299:40 am
DEN
-
CVG
Nonstop2h 44m
Frontier
Deal found 2/19$131
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 5/73:24 pm
BNA
-
DEN
Nonstop3h 12m
Frontier
Sun 5/1010:45 am
DEN
-
BNA
Nonstop2h 44m
Frontier
Deal found 2/18$132

Find flight deals from Kentucky to Denver

Keep the following information in mind while searching for Kentucky to Denver flight deals. Data was last updated February 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$107
(Cheapflightsfares)

One-way from

$48
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$466

Good round-trip deal

$377 or less

Good one-way deal

$228 or less
Provider with most accurate pricing for Louisville Intl-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Denver Intl flights.
Search Deals
From Kentucky to Denver Intl
Search Deals
One-way flight from Kentucky to Denver Intl
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Kentucky to Denver Intl.
Search Deals
Price to beat on a one-way flight from Kentucky to Denver Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky 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 February 21, 2026.
Use the filters below to find and compare flights from Kentucky to Denver that are best for you.

Fly from

Kentucky

Fly to

Denver

Route

Depart

Return

Price

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Wed 4/22

6:00 am-10:29 pm

2 stops17h 29m

Denver Intl

Mon 4/27

12:14 pm-3:55 pm

Nonstop2h 41m

$167

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Thu 3/26

3:01 pm-5:11 pm

Nonstop3h 10m

Denver Intl

Sun 3/29

10:40 am-2:16 pm

Nonstop2h 36m

$172

CincinnatiDenver

CVG - DEN

CVGDEN

Cincinnati Cinci./N. Kentucky

Thu 3/26

5:45 am-4:38 pm

1 stop12h 53m

Denver Intl

Mon 3/30

6:00 am-10:48 am

Nonstop2h 48m

$173

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Mon 3/9

8:45 pm-3:56 am

1 stop8h 11m

Denver Intl

Tue 3/10

10:40 am-2:16 pm

Nonstop2h 36m

$174

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Fri 5/8

3:24 pm-5:36 pm

Nonstop3h 12m

Denver Intl

Wed 5/13

11:59 pm-4:52 pm

2 stops15h 53m

$188

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Tue 3/31

7:25 am-1:34 pm

1 stop7h 09m

Denver Intl

Tue 3/31

12:35 am-9:35 am

1 stop8h 00m

$217

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Wed 5/13

8:45 pm-10:40 pm

Nonstop2h 55m

Denver Intl

Tue 5/19

7:50 am-11:25 am

Nonstop2h 35m

$217

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Sat 5/9

8:15 am-10:16 am

Nonstop3h 01m

Denver Intl

Mon 5/11

8:02 am-11:44 am

Nonstop2h 42m

$217

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Fri 5/1

6:46 pm-11:19 pm

1 stop5h 33m

Denver Intl

Mon 5/4

9:40 am-5:38 pm

1 stop6h 58m

$217

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Wed 5/13

6:34 pm-11:30 pm

1 stop5h 56m

Denver Intl

Tue 5/19

1:30 pm-8:16 pm

1 stop5h 46m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Kentucky to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Kentucky 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 Kentucky to Denver

What is the cheapest month to book a flight from Kentucky to Denver?

Currently, October is the cheapest month in which you can book a flight from Kentucky to Denver (average of $89). Flying from Kentucky to Denver in April is currently the most expensive (average of $263). 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 KY to DEN?

Find hourly flight availability from Kentucky 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 February 21, 2026.

One of the essential ways to save on airfare from Kentucky to Denver is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 12% on airfare.

Weekly flight availability from Kentucky to Denver

Explore weekly flight availability from Kentucky to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 21, 2026.

The most flights from USKY to DEN are scheduled on a Friday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Denver from Kentucky?

    Most people fly into Denver Intl (DEN) if they book a flight to Denver from Kentucky. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

  • How popular is this Kentucky to Denver flight route?

    The Kentucky to Denver Intl flight path was viewed by 109 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Kentucky to Denver?

    Departing from Kentucky to Denver will take you 3h 02m. There are 1083 mi between Kentucky and Denver. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Kentucky to Denver one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $143. However, be on the lookout for offers from American Airlines and Southwest, as they are both options that can get you from Kentucky to Denver for a low price.

  • What are the most popular routes from Kentucky to Denver?

    Most travelers choose Cincinnati Cinci./N. Kentucky - Denver Intl, Nashville Intl - Denver Intl or Knoxville McGhee Tyson - Denver Intl when deciding on the best route from Kentucky to Denver.

  • What are the most reliable airlines from Kentucky to Denver?

    No one likes to see their flight delayed. When booking a flight from Kentucky to Denver consider choosing United Airlines (89%), Southwest (74%) or Air Canada (70%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Kentucky to Denver?

    While on average a flight from Kentucky to Denver is generally $691, our data shows the cheapest flight currently is $180. When looking at the most popular route, (Cincinnati Cinci./N. Kentucky - Denver Intl), you can expect to pay $97 for that flight.

  • Can I find deals for flights from Kentucky to Denver that include hotel bookings?

    Yes. In addition to deals on Kentucky to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Denver.

  • Can I find deals for business class flights from Kentucky to Denver?

    Yes. Cheapflights offers flight deals from Kentucky to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kentucky to Denver?

    Currently, October is the cheapest month in which you can book a flight from Kentucky to Denver (average of $89). Flying from Kentucky to Denver in April is currently the most expensive (average of $263). 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.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Thornton
Black Hawk
Lakewood
Broomfield
Westminster
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Cripple Creek
Winter Park
Central City
Glendale
Manitou Springs
Frisco
Fort Morgan
Brighton
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 for Kentucky to Denver

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Denver flights
Hobby to Denver flights
O'Hare Intl to Denver flights
Newark to Denver flights
LaGuardia to Denver flights
John F Kennedy Intl to Denver flights
Minneapolis to Denver flights
George Bush Intcntl to Denver flights
Los Angeles to Denver flights
Baltimore to Denver flights
Boston to Denver flights
Dulles Intl to Denver flights
Philadelphia to Denver flights
Seattle to Denver flights
Atlanta to Denver flights
San Francisco to Denver flights
Reagan-National to Denver flights
Detroit to Denver flights
Orlando to Denver flights
Tampa to Denver flights
Ontario to Denver flights
Charlotte to Denver flights
Miami to Denver flights
Sky Harbor Intl to Denver flights
Indianapolis to Denver flights
Cleveland to Denver flights
Raleigh to Denver flights
Austin to Denver flights
Cincinnati to Denver flights
San Diego to Denver flights
St. Louis to Denver flights
Fort Lauderdale to Denver flights
Santa Ana to Denver flights
Sacramento to Denver flights
Kansas City to Denver flights
Madison to Denver flights
San Antonio to Denver flights
Grand Rapids to Denver flights
Milwaukee to Denver flights
Midway to Denver flights
Pittsburgh to Denver flights
Love Field to Denver flights
Nashville to Denver flights
Columbus to Denver flights
Portland to Denver flights
San Jose to Denver flights
Richmond to Denver flights
Hartford to Denver flights
New Orleans to Denver flights
Burbank to Denver flights

Top 5 airlines flying from Kentucky to Denver

Discover the top 5 airlines that operate flights from Kentucky 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 February 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$168FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$333FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$175Average$340FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$242Average$419FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$267Average$420FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.