What is the cheapest airline that flies from Colorado to Kentucky?

Frontier, Southwest, and United Airlines are the most popular carriers operating from Colorado to Kentucky

What airlines fly to Kentucky?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Kentucky from Colorado according to our data. United Airlines is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Kentucky. Keep in mind that there are 5 different airlines that fly to Kentucky on a routine basis, so you have a few additional options to choose from.

How many flights depart from Colorado to Kentucky on average per day?

As of June 2026, 19 flights take off from Colorado and land in Kentucky each day. The most common flight departure time for this route is 9:00AM, with 37% of daily flights taking off at noon.

How long is the flight from Colorado to Kentucky?

On average, it takes 2h 30m to fly from Colorado to Kentucky if you fly out of Denver (the most popular airport in Colorado) and into Louisville (the most popular airport in Kentucky). If you’re flying out of Grand Junction and into Louisville, then the flight time is around 5h 23m.

How many flights depart from Colorado to Kentucky on average per week?

The number of flights available between Colorado and Kentucky is 134 per week as of June 2026. The most frequent departure day is Thu, with 25% of weekly flights leaving on this day.

When did momondo last update prices for flights from Colorado to Kentucky?

Prices for flights from Colorado to Kentucky are updated daily.

How many operators does momondo search for flights from Colorado to Kentucky?

As of June 2026, there are 6 operators available to choose from for flights from Colorado to Kentucky.

How old do you have to be to fly from Colorado to Kentucky?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Kentucky.

What documentation or ID do you need to fly to Kentucky?

The required travel and health documents for your Kentucky trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kentucky. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$58 Cheap Flights from Colorado to Kentucky in 2026

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Find the cheapest flights from Colorado to Kentucky

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:01 am - 1:51 pm

DEN

TYS

2h 50mnonstop

7:00 am - 8:11 am

TYS

DEN

3h 11mnonstop

$135Allegiant Air

Thu, Jul 23 - Sun, Jul 26

9:01 am - 1:51 pm

DEN

TYS

2h 50mnonstop

7:00 am - 8:11 am

TYS

DEN

3h 11mnonstop

$136Allegiant Air

Thu, Jul 23 - Sun, Jul 26

3:51 pm - 11:18 pm

COS

TYS

5h 27m

1 stop

6:50 pm - 10:53 pm

TYS

COS

6h 03m

1 stop

$257American Airlines

Wed, Aug 26 - Wed, Sep 2

5:50 pm - 10:25 pm

DEN

LEX

2h 35mnonstop

9:03 am - 10:05 am

LEX

DEN

3h 02mnonstop

$289United Airlines

Tue, Jun 23 - Wed, Jul 1

8:00 am - 4:42 pm

COS

TYS

6h 42m

1 stop

6:15 am - 4:29 pm

TYS

COS

12h 14m

2 stops

$289American Airlines

Tue, Sep 22 - Tue, Sep 29

6:08 pm - 10:59 pm

DEN

SDF

2h 51mnonstop

3:25 pm - 4:24 pm

SDF

DEN

2h 59mnonstop

$297United Airlines

Wed, Jun 24 - Tue, Jun 30

12:55 am - 10:20 am

DEN

LEX

7h 25m

1 stop

7:45 pm - 11:49 pm

LEX

DEN

6h 04m

1 stop

$309Delta

Thu, Oct 22 - Sun, Oct 25

6:00 am - 2:43 pm

COS

LEX

6h 43m

1 stop

8:30 am - 12:35 pm

LEX

COS

6h 05m

1 stop

$311Delta

Wed, Jul 1 - Sat, Jul 4

4:55 pm - 9:30 pm

DEN

SDF

2h 35mnonstop

8:45 am - 1:35 pm

SDF

DEN

6h 50m

2 stops

$312Southwest

Tue, Aug 4 - Tue, Aug 11

5:50 am - 12:10 pm

DEN

SDF

4h 20m

1 stop

5:30 am - 2:50 pm

SDF

DEN

11h 20m

2 stops

$322Southwest

Tue, Aug 4 - Tue, Aug 11

American Airlines flights from Colorado to Kentucky

Our best American Airlines deals on Colorado to Kentucky flight tickets

American Airlines

Aug 26

COS3:51 pmColorado Springs

5h 27m

1 stop

TYS11:18 pmKnoxville McGhee Tyson

Sep 2

TYS6:50 pmKnoxville McGhee Tyson

6h 03m

1 stop

COS10:53 pmColorado Springs

$257

American Airlines

Sep 22

COS8:00 amColorado Springs

6h 42m

1 stop

TYS4:42 pmKnoxville McGhee Tyson

Sep 29

TYS6:15 amKnoxville McGhee Tyson

12h 14m

2 stops

COS4:29 pmColorado Springs

$289

American Airlines

Jul 1

COS3:53 pmColorado Springs

5h 13m

1 stop

BNA10:06 pmNashville Intl

Jul 7

BNA5:45 pmNashville Intl

5h 38m

1 stop

COS10:23 pmColorado Springs

$303

Frontier flights from Colorado to Kentucky

Our best Frontier deals on Colorado to Kentucky flight tickets

Frontier

Aug 20

DEN2:41 pmDenver Intl

2h 50m

CVG7:31 pmCincinnati Cinci./N. Kentucky

Aug 24

CVG8:36 pmCincinnati Cinci./N. Kentucky

3h 07m

DEN9:43 pmDenver Intl

$159

Frontier

Aug 13

DEN2:46 pmDenver Intl

2h 43m

CVG7:29 pmCincinnati Cinci./N. Kentucky

Aug 18

CVG8:36 pmCincinnati Cinci./N. Kentucky

3h 07m

DEN9:43 pmDenver Intl

$161

Frontier

Jul 22

DEN2:48 pmDenver Intl

2h 43m

CVG7:31 pmCincinnati Cinci./N. Kentucky

Jul 28

CVG8:36 pmCincinnati Cinci./N. Kentucky

3h 10m

DEN9:46 pmDenver Intl

$168

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Thu 7/23

9:01 am-1:51 pm

Nonstop2h 50m

Knoxville McGhee Tyson

Sun 7/26

7:00 am-8:11 am

Nonstop3h 11m

$135

DenverKnoxville

DEN - TYS

DENTYS

Denver Intl

Thu 7/23

9:01 am-1:51 pm

Nonstop2h 50m

Knoxville McGhee Tyson

Sun 7/26

7:00 am-8:11 am

Nonstop3h 11m

$136

Colorado SpringsKnoxville

COS - TYS

COSTYS

Colorado Springs

Wed 8/26

3:51 pm-11:18 pm

1 stop5h 27m

Knoxville McGhee Tyson

Wed 9/2

6:50 pm-10:53 pm

1 stop6h 03m

$257

Quickest round-trip

DenverLexington

DEN - LEX

DENLEX

Denver Intl

Tue 6/23

5:50 pm-10:25 pm

Nonstop2h 35m

Lexington Blue Grass

Wed 7/1

9:03 am-10:05 am

Nonstop3h 02m

$289

Colorado SpringsKnoxville

COS - TYS

COSTYS

Colorado Springs

Tue 9/22

8:00 am-4:42 pm

1 stop6h 42m

Knoxville McGhee Tyson

Tue 9/29

6:15 am-4:29 pm

2 stops12h 14m

$289

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Wed 6/24

6:08 pm-10:59 pm

Nonstop2h 51m

Louisville Intl

Tue 6/30

3:25 pm-4:24 pm

Nonstop2h 59m

$297

DenverLexington

DEN - LEX

DENLEX

Denver Intl

Thu 10/22

12:55 am-10:20 am

1 stop7h 25m

Lexington Blue Grass

Sun 10/25

7:45 pm-11:49 pm

1 stop6h 04m

$309

Colorado SpringsLexington

COS - LEX

COSLEX

Colorado Springs

Wed 7/1

6:00 am-2:43 pm

1 stop6h 43m

Lexington Blue Grass

Sat 7/4

8:30 am-12:35 pm

1 stop6h 05m

$311

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Tue 8/4

4:55 pm-9:30 pm

Nonstop2h 35m

Louisville Intl

Tue 8/11

8:45 am-1:35 pm

2 stops6h 50m

$312

DenverLouisville

DEN - SDF

DENSDF

Denver Intl

Tue 8/4

5:50 am-12:10 pm

1 stop4h 20m

Louisville Intl

Tue 8/11

5:30 am-2:50 pm

2 stops11h 20m

$322

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Colorado to Kentucky

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Kentucky?

If you’re not able to fly to Kentucky in January, then August is your next best option. Flight prices from Colorado to Kentucky during August average around $117.

What is the cheapest day to depart on your flight to Kentucky?

Our data shows that Saturday is the least expensive day to fly to Kentucky. Tickets to fly out on this day can be as low as $405. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $549. These prices are subject to change though, so be sure to set up a Price Alert for flights to Kentucky.

What is the cheapest time of day to depart on your flight to Kentucky?

According to our data, the cheapest time of day to fly to Kentucky is in the evening. momondo users have found flights departing from Colorado to Kentucky in the evening for as low as $297. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Kentucky is at noon when prices are around $504.

What is the cheapest Colorado to Kentucky flight route?

Fly from Denver Intl to Louisville Intl for the best Colorado - Kentucky flight prices

How far in advance should I book a flight from Colorado to Kentucky?

You are more likely to see cheaper flights to Kentucky from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Kentucky for around $474 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kentucky from Colorado for as low as $390 on momondo.

What cabin class options are available on Colorado to Kentucky flights?

There are 4 cabin classes available to choose from on Colorado to Kentucky flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Colorado to Kentucky flights?

No. A direct flight is the cheapest option for a flight between Colorado to Kentucky.

Cheap Colorado to Kentucky flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Kentucky

Best Price Found	$193
Fastest flight time	2h 25m
Direct flights	Every day
Airports in Kentucky	43 airports

The best one-way flight to Kentucky from Colorado in the past 72 hours is $193. The best round-trip flight deal from Colorado to Kentucky found on momondo in the last 72 hours is $349.

The fastest flight from Colorado to Kentucky takes 2h 25m

Direct flights go from Colorado to Kentucky every day.

There are 43 airports in Kentucky. From Colorado there are direct flights to Louisville Intl (SDF), Nashville Intl (BNA), Lexington Blue Grass (LEX).

Search flight deals

Frequently asked questions about flying from Colorado to Kentucky

When did momondo last update prices for flights from Colorado to Kentucky?
Prices for flights from Colorado to Kentucky are updated daily.
How many operators does momondo search for flights from Colorado to Kentucky?
As of June 2026, there are 6 operators available to choose from for flights from Colorado to Kentucky.
How old do you have to be to fly from Colorado to Kentucky?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Colorado to Kentucky.
What documentation or ID do you need to fly to Kentucky?
The required travel and health documents for your Kentucky trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kentucky. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Colorado to Kentucky?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Colorado to Kentucky is Airbus A319 (38.27% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (17.86%), Boeing 737-800 Passenger/BBJ2 (winglets) (10.46%), and Embraer 175 (Enhanced Winglets) (7.65%).

Best airlines flying from Colorado to Kentucky

Compare and see reviews for airlines that fly from Colorado to Kentucky with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $108	Free Cancellation	Rating 5.6 2,914 reviews	Search Frontier flights
Delta	PriceFrom $149	Free Cancellation	Rating 7.8 8,395 reviews	Search Delta flights
Southwest	PriceFrom $204	Free Cancellation	Rating 8.0 4,256 reviews	Search Southwest flights
American Airlines	PriceFrom $231	Free Cancellation	Rating 7.1 11,641 reviews	Search American Airlines flights
United Airlines	PriceFrom $256	Free Cancellation	Rating 7.4 9,773 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Kentucky?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Colorado to Kentucky. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Colorado to Kentucky with flexible booking policies on momondo?

momondo does allow users to show only those flights to Kentucky from Colorado which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Colorado to Kentucky?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Colorado to Kentucky.

I’m not ready to book a flight from Colorado to Kentucky right now. Can momondo alert me if prices change?

Price alerts on flights to Kentucky from Colorado are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Popular cities in Kentucky

Flights to New Yorkfrom $60

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Flights to Chicagofrom $64

Flights to San Franciscofrom $66

Flights to Las Vegasfrom $66

Flights to Washington, D.C.from $50

Flights to Bostonfrom $79

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Flights to Fort Lauderdalefrom $59

Flights to Dallasfrom $63

Cheap flights from Colorado to Kentucky from $58

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Kentucky departing on 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Colorado to Kentucky

Our best American Airlines deals on Colorado to Kentucky flight tickets

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Our best Frontier deals on Colorado to Kentucky flight tickets

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See travel insights to Kentucky from

How to get the cheapest flight ticket from Colorado to Kentucky

What is the cheapest month to fly to Kentucky?

What is the cheapest day to depart on your flight to Kentucky?

What is the cheapest time of day to depart on your flight to Kentucky?

What is the cheapest Colorado to Kentucky flight route?

How far in advance should I book a flight from Colorado to Kentucky?

What cabin class options are available on Colorado to Kentucky flights?

Can stopping save me money on Colorado to Kentucky flights?

What is the cheapest airline that flies from Colorado to Kentucky?

What airlines fly to Kentucky?

How many flights depart from Colorado to Kentucky on average per day?

How many flights depart from Colorado to Kentucky on average per week?

How long is the flight from Colorado to Kentucky?

Cheap Colorado to Kentucky flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Kentucky

Best Price Found

Fastest flight time

Direct flights

Airports in Kentucky

Frequently asked questions about flying from Colorado to Kentucky

Best airlines flying from Colorado to Kentucky

Compare and see reviews for airlines that fly from Colorado to Kentucky with momondo

Why use momondo?

An easier way to manage your Kentucky trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Kentucky

Popular cities in Kentucky

Popular flights according to clicks in the last 7 days on momondo

Colorado flight routes

According to popular flight searches on momondo this year

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