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Denver

$46+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DEN
Aug 16 — Aug 231
Sun 8/16
Sun 8/23
1 adult, Economy
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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 July 17, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 7/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:30 am
TYS
-
DEN
Nonstop3h 10m
Allegiant Air
Thu 11/128:30 am
DEN
-
TYS
Nonstop2h 49m
Allegiant Air
Deal found 7/14$109
This Cheapflightsfares deal was found by Cheapflights users on 7/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:00 am
TYS
-
DEN
Nonstop3h 21m
Allegiant Air
Thu 8/209:00 am
DEN
-
TYS
Nonstop2h 49m
Allegiant Air
Deal found 7/15$113
This Traveloka deal was found by Cheapflights users on 7/13. 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 Traveloka is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:00 am
TYS
-
DEN
Nonstop3h 10m
Allegiant Air
Thu 9/38:55 am
DEN
-
TYS
Nonstop2h 49m
Allegiant Air
Deal found 7/13$118
This Cheapflightsfares deal was found by Cheapflights users on 7/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:30 am
TYS
-
DEN
Nonstop3h 06m
Allegiant Air
Sun 10/48:26 am
DEN
-
TYS
Nonstop2h 45m
Allegiant Air
Deal found 7/14$121
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Thu 8/277:00 am
TYS
-
DEN
Nonstop3h 10m
Allegiant Air
Thu 9/108:55 am
DEN
-
TYS
Nonstop2h 49m
Allegiant Air
Deal found 7/13$131
This Cheapflightsfares deal was found by Cheapflights users on 7/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am
TYS
-
DEN
Nonstop3h 05m
Allegiant Air
Sun 9/278:55 am
DEN
-
TYS
Nonstop2h 49m
Allegiant Air
Deal found 7/17$135
This Gotogate deal was found by Cheapflights users on 7/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:00 am
TYS
-
DEN
Nonstop3h 21m
Allegiant Air
Thu 8/139:11 am
DEN
-
TYS
Nonstop2h 50m
Allegiant Air
Deal found 7/16$136
This Cheapflightsfares deal was found by Cheapflights users on 7/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am
TYS
-
DEN
Nonstop3h 05m
Allegiant Air
Thu 9/178:55 am
DEN
-
TYS
Nonstop2h 49m
Allegiant Air
Deal found 7/14$144
This CheapOair deal was found by Cheapflights users on 7/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am
TYS
-
DEN
Nonstop3h 05m
Allegiant Air
Sun 9/138:55 am
DEN
-
TYS
Nonstop2h 49m
Allegiant Air
Deal found 7/13$145
This Cheapflightsfares deal was found by Cheapflights users on 7/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am
TYS
-
DEN
Nonstop3h 05m
Allegiant Air
Thu 10/18:26 am
DEN
-
TYS
Nonstop2h 45m
Allegiant Air
Deal found 7/15$147
This Frontier deal was found by Cheapflights users on 7/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/812:25 pm
BNA
-
DEN
Nonstop3h 06m
Frontier
Sun 8/98:01 am
DEN
-
BNA
Nonstop2h 39m
Frontier
Deal found 7/16$163
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 9/112:55 pm
BNA
-
DEN
Nonstop3h 06m
Frontier
Tue 9/88:31 am
DEN
-
BNA
Nonstop2h 39m
Frontier
Deal found 7/17$164

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 July 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$109
(Cheapflightsfares)

One-way from

$46
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$490

Good round-trip deal

$334 or less

Good one-way deal

$238 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. 0% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 17, 2026.
Use the filters below to find and compare flights from Kentucky to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Sat 9/26

7:35 am-10:50 am

1 stop4h 15m

Denver Intl

Wed 9/30

9:55 am-3:50 pm

1 stop4h 55m

$192

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Thu 9/24

10:00 am-1:45 pm

1 stop4h 45m

Denver Intl

Tue 9/29

11:00 am-4:05 pm

1 stop4h 05m

$192

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Thu 12/3

7:36 pm-12:23 am

1 stop5h 47m

Denver Intl

Wed 12/9

12:00 pm-6:33 pm

1 stop5h 33m

$207
Quickest round-trip

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Thu 8/27

7:30 pm-9:15 pm

Nonstop2h 45m

Denver Intl

Mon 8/31

8:05 am-11:40 am

Nonstop2h 35m

$225

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Tue 8/11

12:45 pm-5:20 pm

2 stops5h 35m

Denver Intl

Sat 8/15

11:10 am-5:05 pm

1 stop4h 55m

$283

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Wed 8/19

12:45 pm-5:20 pm

2 stops5h 35m

Denver Intl

Fri 8/28

11:05 am-3:55 pm

1 stop3h 50m

$293

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Fri 9/25

6:45 am-11:00 am

2 stops5h 15m

Denver Intl

Tue 9/29

8:10 am-2:35 pm

1 stop5h 25m

$297

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Sat 8/29

10:05 am-3:35 pm

2 stops6h 30m

Denver Intl

Wed 9/2

12:45 pm-7:05 pm

1 stop5h 20m

$297

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Tue 8/25

3:00 pm-4:15 pm

Nonstop3h 15m

Denver Intl

Sat 8/29

7:50 am-7:20 pm

2 stops9h 30m

$298

LexingtonDenver

LEX - DEN

LEXDEN

Lexington Blue Grass

Mon 11/9

7:49 pm-11:30 pm

1 stop5h 41m

Denver Intl

Tue 11/17

5:55 pm-10:36 pm

Nonstop2h 41m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/12

Showing 1-10 of 60 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from Kentucky to Denver (average of $393). Flying from Kentucky to Denver in December is currently the most expensive (average of $482). 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 July 17, 2026.

One of the essential ways to save on airfare from Kentucky to Denver is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 18% on airfare.

How much does it cost to fly round-trip from Kentucky to Denver?

How far ahead should I book a flight from Kentucky to Denver?

The price you pay for your flight from Kentucky to Denver may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 78 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 11m. 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 $147. 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 Louisville Intl - 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 (87%), Southwest (81%) or Air Canada (68%) 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 $403, our data shows the cheapest flight currently is $177. When looking at the most popular route, (Cincinnati Cinci./N. Kentucky - Denver Intl), you can expect to pay $181 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, January is the cheapest month in which you can book a flight from Kentucky to Denver (average of $393). Flying from Kentucky to Denver in December is currently the most expensive (average of $482). 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
Westminster
Centennial
Lakewood
Broomfield
Golden
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
Evergreen

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kentucky to Denver

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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 July 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$168FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$352FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$175Average$340FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$247Average$422FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$297Average$454FlexibilityNo cancel feeOn-time63%

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