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$54+ Cheap flights from Kentucky to Denver (DEN)

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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — DEN
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Kentucky to Denver

Keep the following information in mind while searching for Kentucky to Denver flight deals. Data was last updated July 31, 2025.

Round-trip from

$96
(Mytrip)

One-way from

$54
(Cheapflightsfares)

Popular in

December

Cheapest in

April

Average price

$446

Good round-trip deal

$356 or less

Good one-way deal

$199 or less
From Kentucky to Denver Intl
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One-way flight from Kentucky to Denver Intl
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Highest demand for flights based on searches. 2% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Kentucky to Denver Intl.
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Price to beat on a one-way flight from Kentucky to Denver Intl.
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Find flight deals from Kentucky to Denver

Cheapest flights from Kentucky to Denver
Explore the most affordable flight options available from Kentucky to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Mytrip deal was found by Cheapflights users on 7/31. 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 9/147:00 amTYS - DEN
Nonstop3h 06mAllegiant Air
Sun 9/218:56 amDEN - TYS
Nonstop2h 47mAllegiant Air
Deal found 7/31$96
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/118:40 pmTYS - DEN
Nonstop3h 09mFrontier
Sun 9/1411:29 amDEN - TYS
Nonstop2h 49mFrontier
Deal found 7/29$101
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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.
Fri 9/56:18 amCVG - DEN
Nonstop3h 02mFrontier
Mon 9/88:56 pmDEN - CVG
Nonstop2h 44mFrontier
Deal found 7/30$111
This Frontier deal was found by Cheapflights users on 7/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:12 amBNA - DEN
Nonstop3h 00mFrontier
Tue 10/149:14 pmDEN - BNA
Nonstop2h 38mFrontier
Deal found 7/29$113
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:15 amCVG - DEN
Nonstop2h 55mMultiple Airlines
Mon 8/188:06 pmDEN - CVG
Nonstop2h 48mMultiple Airlines
Deal found 7/30$120
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/116:15 amCVG - DEN
Nonstop2h 55mAllegiant Air
Mon 8/188:00 amDEN - CVG
Nonstop2h 39mAllegiant Air
Deal found 7/31$156
This Southwest deal was found by Cheapflights users on 7/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3012:40 pmCVG - DEN
Nonstop2h 55mSouthwest
Sat 9/611:05 amDEN - CVG
Nonstop2h 35mSouthwest
Deal found 7/31$157
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/303:31 pmCVG - DEN
Nonstop2h 58mUnited Airlines
Thu 9/49:45 amDEN - CVG
Nonstop2h 44mUnited Airlines
Deal found 7/31$177
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/44:40 pmTYS - DEN
Nonstop3h 12mUnited Airlines
Fri 9/55:28 pmDEN - TYS
Nonstop3h 02mUnited Airlines
Deal found 7/31$199
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/153:13 pmTYS - DEN
1 stop7h 50mAmerican Airlines
Mon 9/1511:59 pmDEN - TYS
1 stop7h 57mAmerican Airlines
Deal found 7/31$213
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/222:29 pmTYS - DEN
1 stop7h 46mMultiple Airlines
Sun 8/2411:58 amDEN - TYS
Nonstop2h 45mMultiple Airlines
Deal found 7/29$229
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:50 amTYS - DEN
1 stop8h 13mDelta
Fri 9/1212:59 amDEN - TYS
1 stop7h 26mDelta
Deal found 7/31$237

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky to Denver 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 July 31, 2025.
Use the filters below to find and compare flights from Kentucky to Denver that are best for you.

Fly from

Kentucky

Fly to

Denver

Route

Depart

Return

Price

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Sun 9/14

7:00 am-8:06 am

Nonstop3h 06m

Denver Intl

Sun 9/21

8:56 am-1:43 pm

Nonstop2h 47m

$96

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Thu 9/11

8:40 pm-9:49 pm

Nonstop3h 09m

Denver Intl

Sun 9/14

11:29 am-4:18 pm

Nonstop2h 49m

$101

CincinnatiDenver

CVG - DEN

CVGDEN

Cincinnati Cinci./N. Kentucky

Fri 9/5

6:18 am-7:20 am

Nonstop3h 02m

Denver Intl

Mon 9/8

8:56 pm-1:40 am

Nonstop2h 44m

$111

NashvilleDenver

BNA - DEN

BNADEN

Nashville Intl

Thu 10/9

6:12 am-8:12 am

Nonstop3h 00m

Denver Intl

Tue 10/14

9:14 pm-12:52 am

Nonstop2h 38m

$113

CincinnatiDenver

CVG - DEN

CVGDEN

Cincinnati Cinci./N. Kentucky

Fri 8/15

6:15 am-7:10 am

Nonstop2h 55m

Denver Intl

Mon 8/18

8:06 pm-12:54 am

Nonstop2h 48m

$120

CincinnatiDenver

CVG - DEN

CVGDEN

Cincinnati Cinci./N. Kentucky

Mon 8/11

6:15 am-7:10 am

Nonstop2h 55m

Denver Intl

Mon 8/18

8:00 am-12:39 pm

Nonstop2h 39m

$156

CincinnatiDenver

CVG - DEN

CVGDEN

Cincinnati Cinci./N. Kentucky

Sat 8/30

12:40 pm-1:35 pm

Nonstop2h 55m

Denver Intl

Sat 9/6

11:05 am-3:40 pm

Nonstop2h 35m

$157

CincinnatiDenver

CVG - DEN

CVGDEN

Cincinnati Cinci./N. Kentucky

Sat 8/30

3:31 pm-4:29 pm

Nonstop2h 58m

Denver Intl

Thu 9/4

9:45 am-2:29 pm

Nonstop2h 44m

$177

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Thu 9/4

4:40 pm-5:52 pm

Nonstop3h 12m

Denver Intl

Fri 9/5

5:28 pm-10:30 pm

Nonstop3h 02m

$199

KnoxvilleDenver

TYS - DEN

TYSDEN

Knoxville McGhee Tyson

Mon 9/15

3:13 pm-9:03 pm

1 stop7h 50m

Denver Intl

Mon 9/15

11:59 pm-9:56 am

1 stop7h 57m

$213

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 60 results
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Best time to book a flight from Kentucky to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver 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 Denver

What is the cheapest month to book a flight from Kentucky to Denver?

Currently, October is the cheapest month in which you can book a flight from Kentucky to Denver (average of $197). Flying from Kentucky to Denver in March is currently the most expensive (average of $278). 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 DEN?

Find hourly flight availability from Kentucky to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kentucky to Denver as you normally would.

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated July 31, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Kentucky to Denver. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Denver from Kentucky?

    Most people fly into Denver Intl (DEN) if they book a flight to Denver from Kentucky. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

  • How popular is this Kentucky to Denver flight route?

    The Kentucky to Denver Intl flight path was viewed by 91 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Kentucky to Denver one-way?

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $54. However, be on the lookout for offers from Frontier and United Airlines, as they are both options that can get you from Kentucky to Denver for a low price.

  • What are the most popular routes from Kentucky to Denver?

    Most travelers choose Cincinnati Cinci./N. Kentucky - Denver Intl, Nashville Intl - Denver Intl or Louisville Intl - Denver Intl when deciding on the best route from Kentucky to Denver.

  • What are the most reliable airlines from Kentucky to Denver?

    No one likes to see their flight delayed. When booking a flight from Kentucky to Denver consider choosing Air Canada (95%), United Airlines (73%) or Southwest (63%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Kentucky to Denver?

    While on average a flight from Kentucky to Denver is generally $474, our data shows the cheapest flight currently is $108. When looking at the most popular route, (Cincinnati Cinci./N. Kentucky - Denver Intl), you can expect to pay $101 for that flight.

  • Can I find deals for flights from Kentucky to Denver that include hotel bookings?

    Yes. In addition to deals on Kentucky to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Denver.

  • Can I find deals for business class flights from Kentucky to Denver?

    Yes. Cheapflights offers flight deals from Kentucky to Denver 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 Denver?

    Currently, October is the cheapest month in which you can book a flight from Kentucky to Denver (average of $197). Flying from Kentucky to Denver in March is currently the most expensive (average of $278). 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

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Greeley
Cripple Creek
Brighton
Silverthorne
Golden
Thornton
Frisco
Grand Lake
Manitou Springs
Central City
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Longmont
Broomfield

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Alternative routes for Kentucky to Denver

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 Denver

Discover the top 5 airlines that operate flights from Kentucky to Denver. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$178FlexibilityNo cancel feeOn-time62%
DeltaCheapest$157Average$327FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$211Average$356FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$267Average$427FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$267Average$422FlexibilityNo cancel feeOn-time69%

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