HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Colorado

$58+ Cheap flights from Kentucky to Colorado

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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DEN
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kentucky to Colorado 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 Colorado

Keep the following information in mind while searching for Kentucky to Colorado flight deals. Data was last updated April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$131
(Booking.com)

One-way from

$59
(Frontier)

Popular in

December

Cheapest in

August

Average price

$387

Good round-trip deal

$360 or less

Good one-way deal

$192 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 Colorado
Search Deals
One-way flight from Kentucky to Colorado
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($26 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 April 2025
Search Deals
Price to beat on a round-trip flight from Kentucky to Colorado.
Search Deals
Price to beat on a one-way flight from Kentucky to Colorado.
Search Deals

Find flight deals from Kentucky to Colorado

Cheapest flights from Kentucky to Colorado
Explore the most affordable flight options available from Kentucky to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/133:54 pmTYS - DEN
Nonstop3h 03mAllegiant Air
Sun 7/205:42 pmDEN - TYS
Nonstop2h 45mAllegiant Air
Deal found 4/28$131
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 8/46:15 amCVG - DEN
Nonstop2h 55mMultiple Airlines
Thu 8/148:06 pmDEN - CVG
Nonstop2h 48mMultiple Airlines
Deal found 4/29$137
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 7/207:30 pmBNA - DEN
Nonstop3h 03mFrontier
Wed 7/238:19 pmDEN - BNA
Nonstop2h 42mFrontier
Deal found 4/29$146
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/236:15 amCVG - DEN
Nonstop2h 55mAllegiant Air
Mon 6/308:00 amDEN - CVG
Nonstop2h 42mAllegiant Air
Deal found 4/29$146
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 7/136:06 pmCVG - DEN
Nonstop3h 10mFrontier
Fri 7/1812:21 pmDEN - CVG
Nonstop2h 45mFrontier
Deal found 4/29$149
This CheapOair deal was found by Cheapflights users on 4/29. 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 8/145:25 pmTYS - DEN
Nonstop3h 15mFrontier
Sun 8/1711:41 amDEN - TYS
Nonstop2h 48mFrontier
Deal found 4/29$161
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/87:00 amBNA - DEN
Nonstop3h 03mMultiple Airlines
Thu 7/107:00 pmDEN - BNA
1 stop12h 19mMultiple Airlines
Deal found 4/29$164
This Sun Country Air deal was found by Cheapflights users on 4/28. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/75:55 pmBNA - DEN
1 stop16h 24mSun Country Air
Sat 6/1410:27 amDEN - BNA
1 stop5h 28mSun Country Air
Deal found 4/28$195
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/13:52 pmTYS - DEN
Nonstop3h 08mMultiple Airlines
Thu 6/56:25 pmDEN - TYS
1 stop19h 46mMultiple Airlines
Deal found 4/29$208
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/245:23 pmBNA - DEN
1 stop5h 33mAmerican Airlines
Sat 5/317:00 amDEN - BNA
1 stop7h 06mAmerican Airlines
Deal found 4/28$208
This Southwest deal was found by Cheapflights users on 4/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/315:40 pmBNA - DEN
Nonstop3h 00mSouthwest
Tue 6/109:55 amDEN - BNA
1 stop3h 50mSouthwest
Deal found 4/28$216
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/37:15 amBNA - DEN
1 stop6h 27mDelta
Sat 6/146:05 amDEN - BNA
1 stop7h 47mDelta
Deal found 4/28$217

Cheapflights Fare Finder

Customize your flight search to find flights from Kentucky to Colorado 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 April 30, 2025.
Use the filters below to find and compare flights from Kentucky to Colorado that are best for you.

Fly from

Kentucky

Fly to

Colorado

Route

Depart

Return

Price

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Sun 7/13

3:54 pm-4:57 pm

Nonstop3h 03m

Denver Intl

Sun 7/20

5:42 pm-10:27 pm

Nonstop2h 45m

$131

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Sun 7/20

7:30 pm-9:33 pm

Nonstop3h 03m

Denver Intl

Wed 7/23

8:19 pm-12:01 am

Nonstop2h 42m

$146

CincinnatiDenver

CVG - DEN

CVGDEN

Cincinnati Cinci./N. Kentucky

Mon 6/23

6:15 am-7:10 am

Nonstop2h 55m

Denver Intl

Mon 6/30

8:00 am-12:42 pm

Nonstop2h 42m

$146

CincinnatiDenver

CVG - DEN

CVGDEN

Cincinnati Cinci./N. Kentucky

Sun 7/13

6:06 pm-7:16 pm

Nonstop3h 10m

Denver Intl

Fri 7/18

12:21 pm-5:06 pm

Nonstop2h 45m

$149

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Tue 7/8

7:00 am-9:03 am

Nonstop3h 03m

Denver Intl

Thu 7/10

7:00 pm-8:19 am

1 stop12h 19m

$164

CincinnatiDenver

CVG - DEN

CVGDEN

Cincinnati Cinci./N. Kentucky

Fri 5/23

6:15 am-7:13 am

Nonstop2h 58m

Denver Intl

Sun 5/25

8:06 pm-12:55 am

Nonstop2h 49m

$168

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Thu 5/22

5:30 pm-7:01 pm

Nonstop3h 31m

Denver Intl

Sun 5/25

11:41 am-4:35 pm

Nonstop2h 54m

$172

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Sat 6/7

5:55 pm-9:19 am

1 stop16h 24m

Denver Intl

Sat 6/14

10:27 am-4:55 pm

1 stop5h 28m

$195

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Sat 5/24

5:23 pm-9:56 pm

1 stop5h 33m

Denver Intl

Sat 5/31

7:00 am-3:06 pm

1 stop7h 06m

$208

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Sun 6/1

3:52 pm-5:00 pm

Nonstop3h 08m

Denver Intl

Thu 6/5

6:25 pm-4:11 pm

1 stop19h 46m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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

Best time to book a flight from Kentucky to Colorado

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

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

Currently, October is the cheapest month in which you can book a flight from Kentucky to Colorado (average of $197). Flying from Kentucky to Colorado in March is currently the most expensive (average of $278). 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 CO?

Find hourly flight availability from Kentucky to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kentucky to Colorado as you normally would.

Rainfall in Colorado by month

Plan your trip to Colorado by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

Plan your trip to Colorado by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated April 30, 2025.
To help decide which airline to fly from Kentucky to Colorado, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
734 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Colorado. 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 Kentucky to Colorado flight route?

    Within the past month, 46 users have taken a look at flights from Kentucky to Colorado.

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

    The cheapest airlines for a one-way flight from Kentucky to Colorado are Frontier ($59), Allegiant Air ($67), and Southwest ($90).

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Kentucky to Colorado (average of $197). Flying from Kentucky to Colorado in March is currently the most expensive (average of $278). 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 Kentucky to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
Los Angeles to John F Kennedy Intl flights
LaGuardia to Fort Lauderdale flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Miami flights
Newark to Fort Lauderdale flights
Dallas/Fort Worth to LaGuardia flights
Newark to Las Vegas flights
LaGuardia to Miami flights
Newark to Miami flights
Dallas/Fort Worth to John F Kennedy Intl flights
Dallas/Fort Worth to Seattle flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Seattle flights
Seattle to Los Angeles flights
Los Angeles to Newark flights
LaGuardia to O'Hare Intl flights
O'Hare Intl to LaGuardia flights
Dallas/Fort Worth to O'Hare Intl flights
John F Kennedy Intl to Seattle flights
Newark to Dallas/Fort Worth flights
John F Kennedy Intl to San Francisco flights
John F Kennedy Intl to Las Vegas flights
Newark to Los Angeles flights
John F Kennedy Intl to O'Hare Intl flights
Newark to Seattle flights
John F Kennedy Intl to Dallas/Fort Worth flights
O'Hare Intl to Dallas/Fort Worth flights
Newark to Orlando flights
Dallas/Fort Worth to Newark flights
John F Kennedy Intl to Orlando flights
LaGuardia to Orlando flights
John F Kennedy Intl to Fort Lauderdale flights
Los Angeles to Dallas/Fort Worth flights
John F Kennedy Intl to Atlanta flights
Seattle to Dallas/Fort Worth flights
LaGuardia to Atlanta flights
Seattle to John F Kennedy Intl flights
Newark to Atlanta flights
San Francisco to Newark flights
Newark to O'Hare Intl flights
Los Angeles to LaGuardia flights
LaGuardia to Los Angeles flights
Los Angeles to Honolulu flights
Dallas/Fort Worth to Las Vegas flights
O'Hare Intl to Las Vegas flights
John F Kennedy Intl to Hobby flights
Dallas/Fort Worth to Los Angeles flights
LaGuardia to Las Vegas flights
O'Hare Intl to John F Kennedy Intl flights

Top 6 airlines flying from Kentucky to Colorado

Discover the top 6 airlines that operate flights from Kentucky to Colorado. 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$89Average$198FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$150Average$301FlexibilityNo cancel feeOn-time83%
DeltaCheapest$157Average$370FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$193Average$418FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$231Average$540FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$276Average$416FlexibilityNo 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.