HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kentucky

$63+ Cheap flights from Colorado to Kentucky

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SDF
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Kentucky 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 Colorado to Kentucky

Cheapest flights from Colorado to Kentucky
Explore the most affordable flight options available from Colorado to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This Frontier deal was found by Cheapflights users on 12/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:51 pmDEN - BNA
1 stop11h 51mFrontier
Mon 1/57:02 pmBNA - DEN
Nonstop3h 08mFrontier
Deal found 12/15$158
This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 amDEN - BNA
1 stop23h 42mFrontier
Sun 1/47:48 amBNA - DEN
1 stop15h 01mFrontier
Deal found 12/15$164
This Gotogate deal was found by Cheapflights users on 12/16. 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.
Mon 12/2211:06 amDEN - TYS
Nonstop2h 45mMultiple Airlines
Wed 12/241:58 pmTYS - DEN
Nonstop3h 13mMultiple Airlines
Deal found 12/16$168
This Super.com deal was found by Cheapflights users on 12/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:46 amDEN - TYS
Nonstop2h 45mFrontier
Sun 12/214:26 pmTYS - DEN
Nonstop3h 31mFrontier
Deal found 12/15$183
This Frontier deal was found by Cheapflights users on 12/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:46 amDEN - TYS
Nonstop2h 45mFrontier
Tue 12/234:46 pmTYS - DEN
Nonstop3h 31mFrontier
Deal found 12/15$184
This Super.com deal was found by Cheapflights users on 12/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2211:06 amDEN - TYS
Nonstop2h 45mFrontier
Thu 12/254:26 pmTYS - DEN
Nonstop3h 31mFrontier
Deal found 12/15$187
This Super.com deal was found by Cheapflights users on 12/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:33 amDEN - TYS
Nonstop2h 38mAllegiant Air
Sun 12/216:30 amTYS - DEN
Nonstop3h 13mAllegiant Air
Deal found 12/15$194
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Thu 12/188:33 amDEN - TYS
Nonstop2h 38mAllegiant Air
Wed 12/241:58 pmTYS - DEN
Nonstop3h 13mAllegiant Air
Deal found 12/15$195
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Mon 12/295:51 pmDEN - BNA
1 stop11h 51mMultiple Airlines
Wed 1/75:23 pmBNA - DEN
2 stops19h 58mMultiple Airlines
Deal found 12/15$197
This Frontier deal was found by Cheapflights users on 12/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:33 pmDEN - BNA
Nonstop2h 34mFrontier
Mon 1/127:31 pmBNA - DEN
Nonstop3h 08mFrontier
Deal found 12/15$199
This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:30 amDEN - CVG
Nonstop2h 43mFrontier
Tue 1/63:49 pmCVG - DEN
1 stop20h 01mFrontier
Deal found 12/15$201
This Expedia deal was found by Cheapflights users on 12/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:51 pmDEN - BNA
1 stop11h 51mFrontier
Sat 1/38:18 pmBNA - DEN
Nonstop3h 04mFrontier
Deal found 12/13$201

Find flight deals from Colorado to Kentucky

Keep the following information in mind while searching for Colorado to Kentucky flight deals. Data was last updated December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$88
(Super.com)

One-way from

$63
(Kiwi.com)

Popular in

April

Cheapest in

October

Average price

$578

Good round-trip deal

$259 or less

Good one-way deal

$223 or less
Provider with most accurate pricing for Denver Intl-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Louisville Intl flights.
Search Deals
From Colorado to Kentucky
Search Deals
One-way flight from Colorado to Kentucky
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Colorado to Kentucky.
Search Deals
Price to beat on a one-way flight from Colorado to Kentucky.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Kentucky 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 December 16, 2025.
Use the filters below to find and compare flights from Colorado to Kentucky that are best for you.

Fly from

Colorado

Fly to

Kentucky

Route

Depart

Return

Price

DenverCincinnati

DEN - CVG

DENCVG

Denver Intl

Thu 1/15

4:15 pm-12:44 am

1 stop6h 29m

Cincinnati Cinci./N. Kentucky

Mon 1/19

6:55 am-8:18 am

Nonstop3h 23m

$131

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Fri 1/30

10:45 am-3:30 pm

Nonstop2h 45m

Knoxville McGhee Tyson

Mon 2/2

4:30 pm-6:02 pm

Nonstop3h 32m

$155

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Thu 1/15

7:35 am-5:53 pm

1 stop8h 18m

Knoxville McGhee Tyson

Sun 1/18

1:39 pm-10:22 am

1 stop22h 43m

$177

DenverCincinnati

DEN - CVG

DENCVG

Denver Intl

Wed 1/7

11:59 pm-10:52 am

1 stop8h 53m

Cincinnati Cinci./N. Kentucky

Thu 1/8

2:18 pm-8:12 pm

1 stop7h 54m

$177

DenverCincinnati

DEN - CVG

DENCVG

Denver Intl

Sat 2/7

11:20 am-10:54 am

1 stop21h 34m

Cincinnati Cinci./N. Kentucky

Thu 2/26

7:00 am-8:20 am

Nonstop3h 20m

$228

DenverLexington

DEN - LEX

DENLEX

Denver Intl

Tue 1/13

5:40 pm-10:30 pm

Nonstop2h 50m

Lexington Blue Grass

Tue 1/20

9:00 am-10:35 am

Nonstop3h 35m

$229

DenverCincinnati

DEN - CVG

DENCVG

Denver Intl

Tue 1/6

6:05 am-1:42 pm

1 stop5h 37m

Cincinnati Cinci./N. Kentucky

Tue 1/13

2:25 pm-7:28 pm

1 stop7h 03m

$237

DenverLexington

DEN - LEX

DENLEX

Denver Intl

Fri 1/16

5:40 pm-10:30 pm

Nonstop2h 50m

Lexington Blue Grass

Mon 1/19

5:32 pm-9:59 pm

1 stop6h 27m

$239

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Mon 3/30

5:05 am-3:00 pm

1 stop7h 55m

Knoxville McGhee Tyson

Fri 4/3

7:25 pm-12:25 am

1 stop7h 00m

$249

DenverLexington

DEN - LEX

DENLEX

Denver Intl

Mon 6/1

12:55 am-10:16 am

1 stop7h 21m

Lexington Blue Grass

Mon 6/8

7:45 pm-11:45 pm

1 stop6h 00m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

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

Best time to book a flight from Colorado to Kentucky

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

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

Currently, February is the cheapest month in which you can book a flight from Colorado to Kentucky (average of $54). Flying from Colorado to Kentucky in May is currently the most expensive (average of $268). 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 CO to KY?

Find hourly flight availability from Colorado to Kentucky. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

It’s optimal to fly from Colorado to Kentucky in the evening. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Colorado to Kentucky?

Use this chart to determine the cheapest time to fly round-trip from Colorado to Kentucky. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Colorado to Kentucky flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Kentucky

Get insights into the airlines that provide service to Kentucky. 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 Kentucky. Reviews last updated December 16, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Colorado to Kentucky. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,010 reviews
Southwest
7.9
Good
4,250 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,094 reviews
Southwest
7.9
Good
4,250 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,048 reviews
Southwest
7.9
Good
4,250 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

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

  • How popular is this Colorado to Kentucky flight route?

    The Colorado to Kentucky flight path was viewed by 7 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 Colorado to Kentucky?

    For as low as $229, Frontier can have you in Kentucky from Colorado in 2h 50m. Airlines will cover a distance of 1083 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $114. However, be on the lookout for offers from Southwest and Delta, as they are both options that can get you from Colorado to Kentucky for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado to Kentucky 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 Colorado to Kentucky?

    Currently, February is the cheapest month in which you can book a flight from Colorado to Kentucky (average of $54). Flying from Colorado to Kentucky in May is currently the most expensive (average of $268). 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

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 Colorado to Kentucky

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Miami flights
Newark to Fort Lauderdale flights
Newark to Miami flights
LaGuardia to Fort Lauderdale flights
LaGuardia to Miami flights
John F Kennedy Intl to Fort Lauderdale flights
Dallas/Fort Worth to John F Kennedy Intl flights
John F Kennedy Intl to Orlando flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Los Angeles flights
Los Angeles to John F Kennedy Intl flights
Newark to West Palm Beach flights
Newark to Orlando flights
Dallas/Fort Worth to LaGuardia flights
Dallas/Fort Worth to Newark flights
John F Kennedy Intl to Dallas/Fort Worth flights
LaGuardia to Orlando flights
Los Angeles to Newark flights
Newark to Las Vegas flights
Newark to Los Angeles flights
John F Kennedy Intl to West Palm Beach flights
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to Las Vegas flights
O'Hare Intl to Dallas/Fort Worth flights
Minneapolis to Sky Harbor Intl flights
Dallas/Fort Worth to Las Vegas flights
Baltimore to Fort Lauderdale flights
LaGuardia to Dallas/Fort Worth flights
San Francisco to Las Vegas flights
John F Kennedy Intl to Tampa flights
Seattle to Los Angeles flights
Dallas/Fort Worth to Seattle flights
Seattle to Dallas/Fort Worth flights
Newark to Dallas/Fort Worth flights
Los Angeles to Seattle flights
Atlanta to John F Kennedy Intl flights
Seattle to Las Vegas flights
Los Angeles to Honolulu flights
Reagan-National to Miami flights
Dulles Intl to Miami flights
Newark to Tampa flights
San Francisco to John F Kennedy Intl flights
John F Kennedy Intl to Atlanta flights
O'Hare Intl to Fort Lauderdale flights
Dallas/Fort Worth to Orlando flights
John F Kennedy Intl to San Francisco flights
Atlanta to LaGuardia flights
Boston to Fort Lauderdale flights
Dallas/Fort Worth to Denver flights
Boston to Miami flights

Top 4 airlines flying from Colorado to Kentucky

Discover the top 4 airlines that operate flights from Colorado to Kentucky. 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$168Average$333FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$204Average$414FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$228Average$472FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$231Average$372FlexibilityNo cancel feeOn-time71%

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.