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Denver

$57+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DEN
Jun 26 — Jul 31
Fri 6/26
Fri 7/3
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 May 27, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 5/24. 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.
Sun 7/196:00 am
CVG
-
DEN
Nonstop2h 56m
Allegiant Air
Thu 7/307:46 am
DEN
-
CVG
Nonstop2h 45m
Allegiant Air
Deal found 5/24$158
This Cheapflightsfares deal was found by Cheapflights users on 5/22. 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.
Sun 7/127:00 am
TYS
-
DEN
Nonstop3h 11m
Allegiant Air
Thu 7/239:01 am
DEN
-
TYS
Nonstop2h 50m
Allegiant Air
Deal found 5/22$163
This Kiwi.com deal was found by Cheapflights users on 5/24. 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 7/26:00 am
CVG
-
DEN
Nonstop2h 56m
Multiple Airlines
Thu 7/22:41 pm
DEN
-
CVG
Nonstop2h 50m
Multiple Airlines
Deal found 5/24$163
This Cheapflightsfares deal was found by Cheapflights users on 5/25. 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.
Sun 8/98:36 pm
CVG
-
DEN
Nonstop3h 10m
Frontier
Thu 8/132:48 pm
DEN
-
CVG
Nonstop2h 43m
Frontier
Deal found 5/25$164
This Cheapflightsfares deal was found by Cheapflights users on 5/26. 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 10/86:30 am
TYS
-
DEN
Nonstop3h 06m
Allegiant Air
Thu 10/158:26 am
DEN
-
TYS
Nonstop2h 45m
Allegiant Air
Deal found 5/26$165
This Cheapflightsfares deal was found by Cheapflights users on 5/23. 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.
Sun 7/266:00 am
CVG
-
DEN
Nonstop2h 56m
Allegiant Air
Thu 7/307:46 am
DEN
-
CVG
Nonstop2h 45m
Allegiant Air
Deal found 5/23$165
This Super.com deal was found by Cheapflights users on 5/23. 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 6/1712:09 pm
BNA
-
DEN
Nonstop3h 11m
Frontier
Wed 6/247:43 am
DEN
-
BNA
Nonstop2h 41m
Frontier
Deal found 5/23$166
This Cheapflightsfares deal was found by Cheapflights users on 5/22. 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.
Sun 7/268:36 pm
CVG
-
DEN
Nonstop3h 10m
Frontier
Thu 7/302:48 pm
DEN
-
CVG
Nonstop2h 43m
Frontier
Deal found 5/22$170
This Cheapflightsfares deal was found by Cheapflights users on 5/26. 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 7/97:00 am
TYS
-
DEN
Nonstop3h 11m
Allegiant Air
Thu 7/239:01 am
DEN
-
TYS
Nonstop2h 50m
Allegiant Air
Deal found 5/26$175
This Cheapflightsfares deal was found by Cheapflights users on 5/26. 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.
Tue 6/238:15 pm
CVG
-
DEN
Nonstop3h 07m
Frontier
Thu 7/22:41 pm
DEN
-
CVG
Nonstop2h 50m
Frontier
Deal found 5/26$175
This Cheapflightsfares deal was found by Cheapflights users on 5/25. 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 6/257:00 am
TYS
-
DEN
Nonstop3h 15m
Allegiant Air
Thu 7/99:01 am
DEN
-
TYS
Nonstop2h 50m
Allegiant Air
Deal found 5/25$176
This Cheapflightsfares deal was found by Cheapflights users on 5/26. 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.
Sun 9/207:00 am
TYS
-
DEN
Nonstop3h 05m
Allegiant Air
Thu 9/248:55 am
DEN
-
TYS
Nonstop2h 49m
Allegiant Air
Deal found 5/26$177

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 May 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$158
(Cheapflightsfares)

One-way from

$57
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$433

Good round-trip deal

$379 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
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 27, 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
Quickest round-trip

LexingtonDenver

LEX - DEN

LEXDEN

Lexington Blue Grass

Tue 7/21

9:03 am-10:05 am

Nonstop3h 02m

Denver Intl

Tue 7/28

5:50 pm-10:25 pm

Nonstop2h 35m

$289

LexingtonDenver

LEX - DEN

LEXDEN

Lexington Blue Grass

Wed 7/1

9:03 am-10:05 am

Nonstop3h 02m

Denver Intl

Sat 7/4

5:50 pm-10:25 pm

Nonstop2h 35m

$289

LexingtonDenver

LEX - DEN

LEXDEN

Lexington Blue Grass

Fri 9/11

5:57 pm-11:53 pm

1 stop7h 56m

Denver Intl

Wed 9/16

5:55 pm-10:38 pm

Nonstop2h 43m

$299

LexingtonDenver

LEX - DEN

LEXDEN

Lexington Blue Grass

Sat 8/1

5:55 pm-11:49 pm

1 stop7h 54m

Denver Intl

Tue 8/4

5:50 pm-10:25 pm

Nonstop2h 35m

$299

BlountvilleDenver

TRI - DEN

TRIDEN

Blountville Tri Cities TN/VA

Sat 9/5

5:00 pm-11:02 pm

1 stop8h 02m

Denver Intl

Fri 9/11

12:59 am-9:35 am

1 stop6h 36m

$309

LexingtonDenver

LEX - DEN

LEXDEN

Lexington Blue Grass

Wed 9/16

10:08 am-4:11 pm

1 stop8h 03m

Denver Intl

Sat 9/26

7:15 am-2:49 pm

1 stop5h 34m

$309

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Tue 6/23

6:44 pm-11:31 pm

1 stop5h 47m

Denver Intl

Tue 7/7

9:19 am-5:35 pm

1 stop7h 16m

$311

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Wed 6/24

6:44 pm-11:31 pm

1 stop5h 47m

Denver Intl

Tue 6/30

6:00 am-3:00 pm

1 stop8h 00m

$311

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Tue 8/18

3:00 pm-4:15 pm

Nonstop3h 15m

Denver Intl

Mon 8/24

11:10 am-3:55 pm

Nonstop2h 45m

$319

BlountvilleDenver

TRI - DEN

TRIDEN

Blountville Tri Cities TN/VA

Fri 7/10

7:55 pm-12:23 am

1 stop6h 28m

Denver Intl

Tue 7/21

5:45 am-3:28 pm

1 stop7h 43m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/26

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, September is the cheapest month in which you can book a flight from Kentucky to Denver (average of $56). Flying from Kentucky to Denver in June is currently the most expensive (average of $197). 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 May 27, 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 19% 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 May 27, 2026.

The most flights from USKY to DEN are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

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 86 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 $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 Nashville Intl - Denver Intl, Cincinnati Cinci./N. Kentucky - 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 Air Canada (85%), Southwest (71%) or United Airlines (62%) 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 $406, our data shows the cheapest flight currently is $175. When looking at the most popular route, (Nashville Intl - Denver Intl), you can expect to pay $242 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, September is the cheapest month in which you can book a flight from Kentucky to Denver (average of $56). Flying from Kentucky to Denver in June is currently the most expensive (average of $197). 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
Lakewood
Broomfield
Centennial
Golden
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

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Alternative routes for Kentucky to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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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 May 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$168FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$352FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$175Average$335FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$243Average$425FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$267Average$445FlexibilityNo cancel feeOn-time63%

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