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 66% 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.

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

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

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

As of September 2025, there are 179 flights per week flying from Kentucky to Denver. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.

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

As of September 2025, 25 flights take off from Kentucky and land in Denver each day. The most common flight departure time for this route is 9:00AM, with 75% of daily flights taking off at noon.

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 55m 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.

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 September 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.

$53 Cheap Flights from Kentucky to Denver in 2025/26

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Find the cheapest flights from Kentucky to Denver

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:30 am - 7:43 amTYS-DEN

3h 13mnonstop

8:33 am - 1:11 pmDEN-TYS

2h 38mnonstop

$92Allegiant Air

Find Deal

Thu, Dec 4 - Sun, Dec 7

6:12 am - 8:12 amBNA-DEN

3h 00mnonstop

8:21 pm - 11:59 pmDEN-BNA

2h 38mnonstop

$101Frontier

Find Deal

Thu, Oct 16 - Mon, Oct 20

7:00 am - 8:06 amTYS-DEN

3h 06mnonstop

11:29 am - 4:18 pmDEN-TYS

2h 49mnonstop

$144Multiple Airlines

Find Deal

Sun, Sep 28 - Sun, Sep 28

7:00 am - 8:06 amTYS-DEN

3h 06mnonstop

11:29 am - 4:18 pmDEN-TYS

2h 49mnonstop

$145Multiple Airlines

Find Deal

Sun, Sep 28 - Sun, Sep 28

6:18 pm - 10:19 pmTYS-DEN

6h 01m1 stop

4:51 pm - 12:08 amDEN-TYS

5h 17m1 stop

$179American Airlines

Find Deal

Tue, Nov 4 - Sat, Nov 8

6:00 am - 9:49 amTYS-DEN

5h 49m1 stop

11:59 pm - 9:50 amDEN-TYS

7h 51m1 stop

$199American Airlines

Find Deal

Wed, Oct 29 - Mon, Nov 3

5:47 pm - 10:28 pmLEX-DEN

6h 41m1 stop

4:40 pm - 11:55 pmDEN-LEX

5h 15m1 stop

$249Delta

Find Deal

Sat, Jan 3 - Wed, Jan 7

3:46 pm - 9:41 pmLEX-DEN

7h 55m1 stop

7:05 am - 2:59 pmDEN-LEX

5h 54m1 stop

$264Delta

Find Deal

Sat, Oct 18 - Sat, Oct 25

9:00 am - 10:27 amLEX-DEN

3h 27mnonstop

6:00 am - 1:17 pmDEN-LEX

5h 17m1 stop

$289United Airlines

Find Deal

Tue, Nov 18 - Sat, Nov 22

9:00 am - 10:27 amLEX-DEN

3h 27mnonstop

5:32 pm - 10:24 pmDEN-LEX

2h 52mnonstop

$298United Airlines

Find Deal

Fri, Nov 14 - Mon, Nov 17

Allegiant Air flights from Kentucky to Denver

Our best Allegiant Air deals on Kentucky to Denver flight tickets

Allegiant Air

Dec 4

TYS6:30 amKnoxville McGhee Tyson

3h 13m

DEN7:43 amDenver Intl

Dec 7

DEN8:33 amDenver Intl

2h 38m

TYS1:11 pmKnoxville McGhee Tyson

$92

Find similar

Allegiant Air

Dec 11

TYS6:30 amKnoxville McGhee Tyson

3h 13m

DEN7:43 amDenver Intl

Dec 14

DEN8:33 amDenver Intl

2h 38m

TYS1:11 pmKnoxville McGhee Tyson

$124

Find similar

Allegiant Air

Oct 26

TYS7:00 amKnoxville McGhee Tyson

3h 04m

DEN8:04 amDenver Intl

Nov 2

DEN8:54 amDenver Intl

2h 39m

TYS1:33 pmKnoxville McGhee Tyson

$142

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Frontier flights from Kentucky to Denver

Our best Frontier deals on Kentucky to Denver flight tickets

Frontier

Oct 16

BNA6:12 amNashville Intl

3h 00m

DEN8:12 amDenver Intl

Oct 20

DEN8:21 pmDenver Intl

2h 38m

BNA11:59 pmNashville Intl

$101

Find similar

Frontier

Oct 16

BNA6:12 amNashville Intl

3h 00m

DEN8:12 amDenver Intl

Oct 20

DEN7:00 amDenver Intl

2h 40m

BNA10:40 amNashville Intl

$102

Find similar

Frontier

Oct 23

CVG6:14 pmCincinnati Cinci./N. Kentucky

3h 08m

DEN7:22 pmDenver Intl

Oct 27

DEN8:56 pmDenver Intl

2h 43m

CVG1:39 amCincinnati Cinci./N. Kentucky

$104

Find similar

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Thu 12/4

6:30 am-7:43 am

Nonstop3h 13m

Denver Intl

Sun 12/7

8:33 am-1:11 pm

Nonstop2h 38m

$92

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Thu 10/16

6:12 am-8:12 am

Nonstop3h 00m

Denver Intl

Mon 10/20

8:21 pm-11:59 pm

Nonstop2h 38m

$101

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Sun 9/28

7:00 am-8:06 am

Nonstop3h 06m

Denver Intl

Sun 9/28

11:29 am-4:18 pm

Nonstop2h 49m

$144

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Sun 9/28

7:00 am-8:06 am

Nonstop3h 06m

Denver Intl

Sun 9/28

11:29 am-4:18 pm

Nonstop2h 49m

$145

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Tue 11/4

6:18 pm-10:19 pm

1 stop6h 01m

Denver Intl

Sat 11/8

4:51 pm-12:08 am

1 stop5h 17m

$179

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Wed 10/29

6:00 am-9:49 am

1 stop5h 49m

Denver Intl

Mon 11/3

11:59 pm-9:50 am

1 stop7h 51m

$199

LexingtonDenver

LEX - DEN

LEXDEN

Lexington Blue Grass

Sat 1/3

5:47 pm-10:28 pm

1 stop6h 41m

Denver Intl

Wed 1/7

4:40 pm-11:55 pm

1 stop5h 15m

$249

LexingtonDenver

LEX - DEN

LEXDEN

Lexington Blue Grass

Sat 10/18

3:46 pm-9:41 pm

1 stop7h 55m

Denver Intl

Sat 10/25

7:05 am-2:59 pm

1 stop5h 54m

$264

LexingtonDenver

LEX - DEN

LEXDEN

Lexington Blue Grass

Tue 11/18

9:00 am-10:27 am

Nonstop3h 27m

Denver Intl

Sat 11/22

6:00 am-1:17 pm

1 stop5h 17m

$289

LexingtonDenver

LEX - DEN

LEXDEN

Lexington Blue Grass

Fri 11/14

9:00 am-10:27 am

Nonstop3h 27m

Denver Intl

Mon 11/17

5:32 pm-10:24 pm

Nonstop2h 52m

$298

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 $451. 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 $522.

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 $424 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 $359 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?

No. A direct flight is the cheapest option for a flight between Kentucky 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	$173
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 $173. The best round-trip flight deal from Kentucky to Denver found on momondo in the last 72 hours is $338.

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 September 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 26.36% of all bookings. The subsequent popular models are Boeing 737-700 Passenger/BBJ1 (winglets) at 18.94%, Embraer 175 (Enhanced Winglets) at 14.85%, and Airbus A319 at 12.73%.

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 $84	Free Cancellation	Rating 5.8 3,166 reviews	Search Frontier flights
American Airlines	PriceFrom $175	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $196	Free Cancellation	Rating 7.9 7,971 reviews	Search Delta flights
United Airlines	PriceFrom $260	Free Cancellation	Rating 7.4 8,922 reviews	Search United Airlines flights
Southwest	PriceFrom $267	Free Cancellation	Rating 8.0 4,244 reviews	Search Southwest flights

Estes Park

Breckenridge

Black Hawk

Aurora

Fort Collins

Keystone

Cripple Creek

Boulder

Manitou Springs

Longmont

Lakewood

Greeley

Thornton

Westminster

Winter Park

Copper Mountain

Frisco

Grand Lake

Silverthorne

Central City

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.

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Cheap flights from Kentucky to Denver from $53

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 10/30. 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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Allegiant Air flights from Kentucky to Denver

Our best Allegiant Air deals on Kentucky to Denver flight tickets

Frontier flights from Kentucky to Denver

Our best Frontier 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 $451. 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 $522.

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?

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

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

Frontier, Allegiant Air, 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 September 2025, 25 flights take off from Kentucky and land in Denver each day. The most common flight departure time for this route is 9:00AM, with 75% of daily flights taking off at noon.

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

As of September 2025, there are 179 flights per week flying from Kentucky to Denver. The most common day of the week flights depart is Mon, with 16% 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