What is the cheapest airline that flies from Kentucky to Denver Intl?

Allegiant Air, Frontier, and Southwest are the most popular carriers operating from Kentucky to Denver Intl

How long does it take to fly to Denver?

Flight times vary depending on what airport in Kentucky you fly out of and what airport in Denver you fly into. For example, flying from Louisville to Denver takes 2h 50m on average. On the other hand, flying from Lexington to Denver takes 3h 13m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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

As of August 2025, 17 flights take off from Kentucky and land in Denver each day. The most common flight departure time for this route is 8:00AM, with 69% of daily flights taking off at noon.

What airlines fly to Denver?

United Airlines, Southwest and American Airlines are the top three most popular airlines that fly to Denver from Kentucky according to our data. United Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 5 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

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

As of August 2025, there are 123 flights per week flying from Kentucky to Denver. The most common day of the week flights depart is Mon, with 22% of flights taking off on this day.

When did momondo last update prices for flights from Kentucky to Denver Intl Airport?

Prices for flights from Kentucky to Denver Intl Airport were last updated today.

How many operators does momondo search for flights from Kentucky to Denver Intl Airport?

As of August 2025, there are 6 operators available to choose from for flights from Kentucky to Denver Intl Airport.

How old do you have to be to fly from Kentucky to Denver Intl Airport?

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 Kentucky to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The required travel and health documents for your Denver Intl Airport 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 Denver Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$49 Cheap Flights from Kentucky to Denver in 2025

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Find the cheapest flights from Kentucky to Denver

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:08 pm - 7:18 pmCVG-DEN

3h 10mnonstop

8:06 pm - 12:54 amDEN-CVG

2h 48mnonstop

$84Frontier

Find Deal

Thu, Aug 14 - Mon, Aug 18

3:52 pm - 5:00 pmTYS-DEN

3h 08mnonstop

11:58 am - 4:43 pmDEN-TYS

2h 45mnonstop

$88Allegiant Air

Find Deal

Sun, Aug 17 - Thu, Aug 21

7:05 pm - 9:00 pmBNA-DEN

2h 55mnonstop

6:55 am - 10:30 amDEN-BNA

2h 35mnonstop

$157Southwest

Find Deal

Sat, Sep 27 - Tue, Sep 30

5:05 am - 6:55 amBNA-DEN

2h 50mnonstop

9:55 pm - 1:25 amDEN-BNA

2h 30mnonstop

$163Southwest

Find Deal

Sat, Sep 13 - Sun, Sep 14

7:30 am - 9:33 amBNA-DEN

3h 03mnonstop

7:15 am - 9:00 pmDEN-BNA

12h 45m1 stop

$172

Find Deal

Tue, Sep 23 - Sat, Sep 27

3:09 pm - 10:02 pmTYS-DEN

8h 53m1 stop

7:09 am - 5:13 pmDEN-TYS

8h 04m1 stop

$219American Airlines

Find Deal

Thu, Sep 4 - Tue, Sep 9

2:23 pm - 5:47 pmTYS-DEN

5h 24m1 stop

11:59 pm - 9:56 amDEN-TYS

7h 57m1 stop

$234American Airlines

Find Deal

Sat, Aug 30 - Tue, Sep 2

6:14 pm - 10:55 pmTYS-DEN

6h 41m1 stop

12:45 am - 10:09 amDEN-TYS

7h 24m1 stop

$237Delta

Find Deal

Sat, Sep 6 - Fri, Sep 12

3:40 pm - 8:16 pmLEX-DEN

6h 36m1 stop

12:45 am - 9:44 amDEN-LEX

6h 59m1 stop

$249Delta

Find Deal

Tue, Sep 9 - Fri, Sep 12

10:54 am - 5:13 pmTYS-DEN

32h 19m3 stops

11:58 am - 4:43 pmDEN-TYS

2h 45mnonstop

$286

Find Deal

Wed, Aug 27 - Sun, Aug 31

Frontier flights from Kentucky to Denver

Our best Frontier deals on Kentucky to Denver flight tickets

Frontier

Aug 14

CVG6:08 pmCincinnati Cinci./N. Kentucky

3h 10m

DEN7:18 pmDenver Intl

Aug 18

DEN8:06 pmDenver Intl

2h 48m

CVG12:54 amCincinnati Cinci./N. Kentucky

$84

Find similar

Frontier

Aug 14

CVG6:08 pmCincinnati Cinci./N. Kentucky

3h 10m

DEN7:18 pmDenver Intl

Aug 18

DEN8:06 pmDenver Intl

2h 48m

CVG12:54 amCincinnati Cinci./N. Kentucky

$89

Find similar

Frontier

Sep 4

CVG6:18 amCincinnati Cinci./N. Kentucky

3h 02m

DEN7:20 amDenver Intl

Sep 11

DEN8:56 pmDenver Intl

2h 44m

CVG1:40 amCincinnati Cinci./N. Kentucky

$90

Find similar

American Airlines flights from Kentucky to Denver

Our best American Airlines deals on Kentucky to Denver flight tickets

American Airlines

Sep 4

TYS3:09 pmKnoxville McGhee Tyson

8h 53m

1 stop

DEN10:02 pmDenver Intl

Sep 9

DEN7:09 amDenver Intl

8h 04m

1 stop

TYS5:13 pmKnoxville McGhee Tyson

$219

Find similar

American Airlines

Aug 30

TYS2:23 pmKnoxville McGhee Tyson

5h 24m

1 stop

DEN5:47 pmDenver Intl

Sep 2

DEN11:59 pmDenver Intl

7h 57m

1 stop

TYS9:56 amKnoxville McGhee Tyson

$234

Find similar

American Airlines

Sep 9

TYS7:14 amKnoxville McGhee Tyson

6h 26m

1 stop

DEN11:40 amDenver Intl

Sep 12

DEN5:06 pmDenver Intl

5h 15m

1 stop

TYS12:21 amKnoxville McGhee Tyson

$239

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CincinnatiDenver

CVG - DEN

CVGDEN

Cincinnati Cinci./N. Kentucky

Thu 8/14

6:08 pm-7:18 pm

Nonstop3h 10m

Denver Intl

Mon 8/18

8:06 pm-12:54 am

Nonstop2h 48m

$84

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Sun 8/17

3:52 pm-5:00 pm

Nonstop3h 08m

Denver Intl

Thu 8/21

11:58 am-4:43 pm

Nonstop2h 45m

$88

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Sat 9/27

7:05 pm-9:00 pm

Nonstop2h 55m

Denver Intl

Tue 9/30

6:55 am-10:30 am

Nonstop2h 35m

$157

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Sat 9/13

5:05 am-6:55 am

Nonstop2h 50m

Denver Intl

Sun 9/14

9:55 pm-1:25 am

Nonstop2h 30m

$163

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Tue 9/23

7:30 am-9:33 am

Nonstop3h 03m

Denver Intl

Sat 9/27

7:15 am-9:00 pm

1 stop12h 45m

$172

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Thu 9/4

3:09 pm-10:02 pm

1 stop8h 53m

Denver Intl

Tue 9/9

7:09 am-5:13 pm

1 stop8h 04m

$219

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Sat 8/30

2:23 pm-5:47 pm

1 stop5h 24m

Denver Intl

Tue 9/2

11:59 pm-9:56 am

1 stop7h 57m

$234

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Sat 9/6

6:14 pm-10:55 pm

1 stop6h 41m

Denver Intl

Fri 9/12

12:45 am-10:09 am

1 stop7h 24m

$237

LexingtonDenver

LEX - DEN

LEXDEN

Lexington Blue Grass

Tue 9/9

3:40 pm-8:16 pm

1 stop6h 36m

Denver Intl

Fri 9/12

12:45 am-9:44 am

1 stop6h 59m

$249

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Wed 8/27

10:54 am-5:13 pm

3 stops32h 19m

Denver Intl

Sun 8/31

11:58 am-4:43 pm

Nonstop2h 45m

$286

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 Kentucky to Denver

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 Denver?

The cheapest month to fly to Denver from Kentucky is in April. Flight prices, which tend to average around $381, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in April, then you should wait until August to fly from Kentucky, when ticket prices are also cheap, with an average price of $387.

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

The cheapest day to depart on your flight to Denver is on a Tuesday when prices can be found for as low as $447. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $533.

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

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $437. Flights at noon are often more expensive with an average ticket price of $501.

What is the cheapest Kentucky to Denver Intl flight route?

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

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from Kentucky when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $421 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Kentucky for as low as $347 on momondo.

What cabin class options are available on Kentucky to Denver Intl flights?

There are 4 cabin classes available to choose from on Kentucky to Denver Intl 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 Kentucky to Denver flights?

You could potentially save up to 5% on your flight if you consider stops on a Kentucky to Denver flight.

Cheap Kentucky to Denver flight deals and tips

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

Best Price Found	$49
Fastest flight time	2h 50m
Direct flights	Every day
Airports in Denver	1 airport

The best one-way flight to Denver from Kentucky in the past 72 hours is $49. The best round-trip flight deal from Kentucky to Denver found on momondo in the last 72 hours is $84.

The fastest flight from Kentucky to Denver takes 2h 50m

Direct flights go from Kentucky to Denver every day.

There is 1 airport near Denver: Denver Intl (DEN)

Search flight deals

When did momondo last update prices for flights from Kentucky to Denver Intl Airport?
Prices for flights from Kentucky to Denver Intl Airport were last updated today.
How many operators does momondo search for flights from Kentucky to Denver Intl Airport?
As of August 2025, there are 6 operators available to choose from for flights from Kentucky to Denver Intl Airport.
How old do you have to be to fly from Kentucky to Denver Intl Airport?
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 Kentucky to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The required travel and health documents for your Denver Intl Airport 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 Denver Intl Airport. 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 Kentucky to Denver?
momondo data reveals that the most frequently booked plane model on the route from Kentucky to Denver is Airbus A320-100/200, representing 21.52% of all bookings. The subsequent popular models are Boeing 737-700 Passenger/BBJ1 (winglets) at 17.14%, Airbus A319 at 16.37%, and Embraer 175 (Enhanced Winglets) at 13.66%.

Best airlines flying from Kentucky to Denver

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $89	Free Cancellation	Rating 5.8 3,232 reviews	Search Frontier flights
Delta	PriceFrom $157	Free Cancellation	Rating 8.0 7,987 reviews	Search Delta flights
American Airlines	PriceFrom $211	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $267	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
United Airlines	PriceFrom $268	Free Cancellation	Rating 7.4 8,912 reviews	Search United Airlines flights

Estes Park

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Black Hawk

Aurora

Fort Collins

Keystone

Cripple Creek

Longmont

Boulder

Manitou Springs

Lakewood

Greeley

Westminster

Thornton

Winter Park

Grand Lake

Copper Mountain

Silverthorne

Golden

Frisco

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Denver from Kentucky.

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

Yes. momondo enables you to select and highlight flights to Denver from Kentucky with this policy.

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

momondo provides multiple filters to help you find the best flight to Denver from Kentucky. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Denver from Kentucky 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.

An easier way to manage your Denver trip

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Cheap flights from Kentucky to Denver from $49

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kentucky to Denver departing on 8/18. 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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Filter for what you want

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Find the cheapest flights from Kentucky to Denver

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Frontier flights from Kentucky to Denver

Our best Frontier deals on Kentucky to Denver flight tickets

American Airlines flights from Kentucky to Denver

Our best American Airlines deals on Kentucky to Denver flight tickets

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How to get the cheapest flight ticket from Kentucky to Denver

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

What is the cheapest month to fly to Denver?

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

The cheapest day to depart on your flight to Denver is on a Tuesday when prices can be found for as low as $447. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $533.

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

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $437. Flights at noon are often more expensive with an average ticket price of $501.

What is the cheapest Kentucky to Denver Intl flight route?

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

How far in advance should I book a flight to Denver?

What cabin class options are available on Kentucky to Denver Intl flights?

There are 4 cabin classes available to choose from on Kentucky to Denver Intl 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 Kentucky to Denver flights?

You could potentially save up to 5% on your flight if you consider stops on a Kentucky to Denver flight.

What is the cheapest airline that flies from Kentucky to Denver Intl?

Allegiant Air, Frontier, and Southwest are the most popular carriers operating from Kentucky to Denver Intl

What airlines fly to Denver?

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

As of August 2025, 17 flights take off from Kentucky and land in Denver each day. The most common flight departure time for this route is 8:00AM, with 69% of daily flights taking off at noon.

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

As of August 2025, there are 123 flights per week flying from Kentucky to Denver. The most common day of the week flights depart is Mon, with 22% of flights taking off on this day.

How long does it take to fly to Denver?

Cheap Kentucky to Denver flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Denver

When did momondo last update prices for flights from Kentucky to Denver Intl Airport?

How many operators does momondo search for flights from Kentucky to Denver Intl Airport?

How old do you have to be to fly from Kentucky to Denver Intl Airport?

What documentation or ID do you need to fly to Denver Intl Airport?

What is the most popular plane model from Kentucky to Denver?

Best airlines flying from Kentucky to Denver

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

Traveling to a place near Denver?

Why use momondo?

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

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

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

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

An easier way to manage your Denver 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 the United States

Airports servicing Colorado