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$73+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DEN
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap 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 December 16, 2025.

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 12/224:46 pmTYS - DEN
Nonstop3h 31mFrontier
Mon 12/2911:06 amDEN - TYS
Nonstop2h 45mFrontier
Deal found 12/15$200
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:30 amTYS - DEN
Nonstop3h 13mAllegiant Air
Wed 12/244:01 pmDEN - TYS
Nonstop2h 38mAllegiant Air
Deal found 12/15$204
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.
Tue 12/236:20 amCVG - DEN
1 stop15h 44mFrontier
Thu 12/256:15 amDEN - CVG
1 stop8h 03mFrontier
Deal found 12/15$207
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:20 amCVG - DEN
1 stop15h 44mFrontier
Fri 12/267:30 amDEN - CVG
Nonstop2h 43mFrontier
Deal found 12/15$210
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.
Tue 12/304:46 pmTYS - DEN
Nonstop3h 31mMultiple Airlines
Tue 1/69:00 pmDEN - TYS
3 stops42h 53mMultiple Airlines
Deal found 12/15$225
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.
Tue 12/236:20 amCVG - DEN
1 stop15h 44mFrontier
Sun 12/288:33 amDEN - CVG
Nonstop2h 40mFrontier
Deal found 12/13$225
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:38 amBNA - DEN
1 stop25h 11mFrontier
Thu 1/83:02 pmDEN - BNA
Nonstop2h 34mFrontier
Deal found 12/16$226
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:38 amBNA - DEN
1 stop25h 11mFrontier
Tue 12/307:00 amDEN - BNA
1 stop6h 29mFrontier
Deal found 12/15$232
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/224:46 pmTYS - DEN
Nonstop3h 31mMultiple Airlines
Wed 12/244:01 pmDEN - TYS
Nonstop2h 38mMultiple Airlines
Deal found 12/15$235
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:02 pmBNA - DEN
Nonstop3h 08mFrontier
Fri 1/93:02 pmDEN - BNA
Nonstop2h 34mFrontier
Deal found 12/16$235
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.
Wed 12/317:02 pmBNA - DEN
Nonstop3h 08mFrontier
Mon 1/52:33 pmDEN - BNA
Nonstop2h 34mFrontier
Deal found 12/15$236
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 12/247:02 pmBNA - DEN
Nonstop3h 08mFrontier
Sun 1/113:02 pmDEN - BNA
Nonstop2h 34mFrontier
Deal found 12/15$239

Find flight deals from Kentucky to Colorado

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

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$87
(Kiwi.com)

One-way from

$73
(Super.com)

Popular in

December

Cheapest in

April

Average price

$504

Good round-trip deal

$388 or less

Good one-way deal

$203 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. 4% potential increase in price ($20 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 December 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

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 December 16, 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

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Fri 1/16

7:27 pm-9:39 pm

Nonstop3h 12m

Denver Intl

Mon 1/19

11:59 pm-8:29 am

1 stop7h 30m

$162

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Thu 2/19

7:00 am-9:07 am

Nonstop3h 07m

Denver Intl

Thu 2/19

6:10 pm-9:48 pm

Nonstop2h 38m

$197

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Wed 1/14

7:00 am-2:00 pm

1 stop8h 00m

Denver Intl

Tue 1/20

12:30 am-8:19 am

1 stop6h 49m

$217

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Thu 1/22

11:40 am-7:17 pm

1 stop8h 37m

Denver Intl

Sun 1/25

12:30 am-8:19 am

1 stop6h 49m

$217

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Wed 2/25

6:00 am-1:35 pm

1 stop8h 35m

Denver Intl

Wed 3/4

9:55 am-4:15 pm

1 stop5h 20m

$217

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Thu 2/5

7:26 pm-10:13 am

3 stops40h 47m

Denver Intl

Mon 2/9

10:50 am-3:35 pm

Nonstop2h 45m

$222

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Tue 1/13

5:30 pm-10:55 pm

1 stop6h 25m

Denver Intl

Tue 1/20

9:55 am-4:15 pm

1 stop5h 20m

$237

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Tue 1/27

4:25 pm-6:15 pm

Nonstop3h 50m

Denver Intl

Sat 1/31

3:39 pm-11:44 pm

1 stop6h 05m

$239

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Mon 1/12

4:25 pm-6:15 pm

Nonstop3h 50m

Denver Intl

Mon 1/19

11:59 pm-10:57 am

1 stop8h 58m

$239

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Fri 1/9

4:25 pm-6:15 pm

Nonstop3h 50m

Denver Intl

Sat 1/31

1:30 pm-11:44 pm

1 stop8h 14m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 results
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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 $89). Flying from Kentucky to Colorado in February is currently the most expensive (average of $275). 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 December 16, 2025.

When flying from Kentucky to Colorado, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 33% versus a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Kentucky to Colorado. Price data was last updated on December 8, 2024.

Travelers seeking maximum savings on their Kentucky to Colorado flight should consider departing on Sunday 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 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 December 16, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Kentucky to Colorado have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

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

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

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
8,008 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

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
9,092 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

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
11,049 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

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
Frontier
5.8
Fair
3,082 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

7.9

Comfort

8.0

Crew

8.6

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 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, 119 users have taken a look at flights from Kentucky to Colorado.

  • How long is the flight from Kentucky to Colorado?

    For as low as $197, United Airlines can have you in Colorado from Kentucky in 3h 07m. Airlines will cover a distance of 1010 mi. This flight may include one or multiple stops.

  • 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 Southwest ($138), United Airlines ($141), and American Airlines ($158).

  • 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 $89). Flying from Kentucky to Colorado in February is currently the most expensive (average of $275). 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.
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Top 5 airlines flying from Kentucky to Colorado

Discover the top 5 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$89Average$178FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$175Average$399FlexibilityNo cancel feeOn-time71%
DeltaCheapest$211Average$394FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$507FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$267Average$405FlexibilityNo cancel feeOn-time63%

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