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$51+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DEN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 12/46:30 amTYS - DEN
Nonstop3h 13mAllegiant Air
Thu 12/118:33 amDEN - TYS
Nonstop2h 38mAllegiant Air
Deal found 10/30$97
This Mytrip deal was found by Cheapflights users on 10/29. 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 12/74:52 pmTYS - DEN
Nonstop3h 31mFrontier
Thu 12/1111:12 amDEN - TYS
Nonstop2h 45mFrontier
Deal found 10/29$100
This Booking.com deal was found by Cheapflights users on 10/28. 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 12/76:30 amTYS - DEN
Nonstop3h 13mAllegiant Air
Thu 12/118:33 amDEN - TYS
Nonstop2h 38mAllegiant Air
Deal found 10/28$103
This Mytrip deal was found by Cheapflights users on 10/29. 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 12/74:52 pmTYS - DEN
Nonstop3h 31mMultiple Airlines
Thu 12/118:33 amDEN - TYS
Nonstop2h 38mMultiple Airlines
Deal found 10/29$104
This Gotogate deal was found by Cheapflights users on 10/30. 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 12/46:30 amTYS - DEN
Nonstop3h 13mMultiple Airlines
Sun 12/711:12 amDEN - TYS
Nonstop2h 45mMultiple Airlines
Deal found 10/30$110
This Frontier deal was found by Cheapflights users on 10/30. 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 11/139:30 pmCVG - DEN
1 stop8h 29mFrontier
Tue 11/1812:16 amDEN - CVG
1 stop11h 25mFrontier
Deal found 10/30$110
This Frontier deal was found by Cheapflights users on 10/30. 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.
Sun 11/166:05 amCVG - DEN
Nonstop3h 06mFrontier
Wed 11/195:25 pmDEN - CVG
Nonstop2h 43mFrontier
Deal found 10/30$111
This Frontier deal was found by Cheapflights users on 10/30. 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 11/1210:24 amCVG - DEN
Nonstop3h 09mFrontier
Tue 11/185:25 pmDEN - CVG
Nonstop2h 43mFrontier
Deal found 10/30$112
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:00 amTYS - DEN
Nonstop3h 15mAllegiant Air
Sun 11/169:05 amDEN - TYS
Nonstop2h 39mAllegiant Air
Deal found 10/28$114
This Flightnetwork deal was found by Cheapflights users on 10/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:41 pmBNA - DEN
Nonstop3h 08mFrontier
Mon 12/83:12 pmDEN - BNA
Nonstop2h 34mFrontier
Deal found 10/29$114
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Thu 12/46:30 amTYS - DEN
Nonstop3h 13mMultiple Airlines
Mon 12/811:12 amDEN - TYS
Nonstop2h 45mMultiple Airlines
Deal found 10/29$115
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
Sat 11/153:42 pmBNA - DEN
Nonstop3h 02mFrontier
Mon 11/178:28 amDEN - BNA
1 stop9h 43mFrontier
Deal found 10/30$116

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$97
(Cheapflightsfares)

One-way from

$51
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$427

Good round-trip deal

$288 or less

Good one-way deal

$241 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. 3% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 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 12/7

4:52 pm-6:23 pm

Nonstop3h 31m

Denver Intl

Thu 12/11

11:12 am-3:57 pm

Nonstop2h 45m

$100

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Sat 1/17

3:30 pm-9:16 pm

1 stop6h 46m

Denver Intl

Fri 1/23

12:30 am-8:34 am

1 stop7h 04m

$197

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Mon 12/15

8:28 am-10:32 am

Nonstop3h 04m

Denver Intl

Mon 12/15

5:52 pm-9:33 pm

Nonstop2h 41m

$197

CincinnatiDenver

CVG - DEN

CVGDEN

Cincinnati Cinci./N. Kentucky

Fri 1/9

10:30 am-1:35 pm

1 stop5h 05m

Denver Intl

Mon 1/12

6:05 am-1:42 pm

1 stop5h 37m

$201

CincinnatiDenver

CVG - DEN

CVGDEN

Cincinnati Cinci./N. Kentucky

Sun 1/25

5:45 am-2:05 pm

2 stops10h 20m

Denver Intl

Fri 1/30

1:25 pm-7:40 pm

1 stop4h 15m

$206

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Thu 1/15

6:05 pm-8:13 pm

Nonstop3h 08m

Denver Intl

Tue 1/20

6:10 pm-9:50 pm

Nonstop2h 40m

$206

CincinnatiHayden

CVG - HDN

CVGHDN

Cincinnati Cinci./N. Kentucky

Sun 1/11

7:00 am-10:55 am

1 stop5h 55m

Hayden Yampa Valley

Fri 1/16

1:32 pm-10:23 pm

1 stop6h 51m

$211

CincinnatiHayden

CVG - HDN

CVGHDN

Cincinnati Cinci./N. Kentucky

Sat 1/10

9:00 am-2:25 pm

1 stop7h 25m

Hayden Yampa Valley

Sat 1/17

1:32 pm-10:23 pm

1 stop6h 51m

$211

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Sat 12/6

12:49 pm-5:27 pm

1 stop6h 38m

Denver Intl

Sun 12/14

5:45 am-2:52 pm

1 stop7h 07m

$219

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Fri 12/5

7:59 pm-12:07 am

1 stop6h 08m

Denver Intl

Sun 12/7

12:50 am-9:38 am

1 stop6h 48m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 $256). 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 October 30, 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 34% 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 October 30, 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
8.0
Very good
4,243 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,243 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,998 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,998 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,035 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,122 reviews
Southwest
8.0
Very good
4,243 reviews

Comfort

8.0

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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, 122 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, Frontier can have you in Colorado from Kentucky in 3h 04m. 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 Allegiant Air ($54), United Airlines ($76), and Southwest ($76).

  • 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 $256). 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

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$89Average$172FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$175Average$470FlexibilityNo cancel feeOn-time71%
DeltaCheapest$211Average$392FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$513FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$268Average$406FlexibilityNo cancel feeOn-time63%

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