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$81+ Cheap flights from Kansas City to Denver (MCI - 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — DEN
Aug 20 — Aug 271
Thu 8/20
Thu 8/27
1 adult, Economy
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Find cheap flights from Kansas City to Denver with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Kansas City to Denver Intl are usually found in September or February, booked 84 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Kansas City to Denver

Cheapest flights from Kansas City to Denver
Explore the most affordable flight options available from Kansas City to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/19. 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 8/76:17 pm
MCI
-
DEN
1 stop15h 46m
Frontier
Wed 8/1210:16 am
DEN
-
MCI
Nonstop1h 44m
Frontier
Deal found 7/19$126
This Super.com deal was found by Cheapflights users on 7/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:45 pm
MCI
-
DEN
Nonstop2h 05m
Frontier
Thu 8/1310:16 am
DEN
-
MCI
Nonstop1h 44m
Frontier
Deal found 7/19$127
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Wed 8/2611:26 am
MCI
-
DEN
1 stop11h 44m
Frontier
Mon 8/3110:09 am
DEN
-
MCI
Nonstop1h 44m
Frontier
Deal found 7/19$128
This Frontier deal was found by Cheapflights users on 7/19. 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.
Mon 8/101:45 pm
MCI
-
DEN
Nonstop2h 05m
Frontier
Mon 8/1710:16 am
DEN
-
MCI
Nonstop1h 44m
Frontier
Deal found 7/19$129
This Super.com deal was found by Cheapflights users on 7/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:45 pm
MCI
-
DEN
Nonstop2h 05m
Frontier
Fri 8/1410:16 am
DEN
-
MCI
Nonstop1h 44m
Frontier
Deal found 7/18$130
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/2811:26 am
MCI
-
DEN
1 stop11h 44m
Frontier
Mon 8/3110:09 am
DEN
-
MCI
Nonstop1h 44m
Frontier
Deal found 7/20$131
This Frontier deal was found by Cheapflights users on 7/16. 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.
Fri 8/71:45 pm
MCI
-
DEN
Nonstop2h 05m
Frontier
Thu 8/1310:16 am
DEN
-
MCI
Nonstop1h 44m
Frontier
Deal found 7/16$132
This Super.com deal was found by Cheapflights users on 7/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/31:45 pm
MCI
-
DEN
Nonstop2h 05m
Frontier
Mon 8/1010:16 am
DEN
-
MCI
Nonstop1h 44m
Frontier
Deal found 7/16$135
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 9/41:38 pm
MCI
-
DEN
Nonstop2h 05m
Frontier
Tue 9/1510:38 am
DEN
-
MCI
Nonstop1h 44m
Frontier
Deal found 7/17$136
This Frontier deal was found by Cheapflights users on 7/18. 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.
Mon 8/31:45 pm
MCI
-
DEN
Nonstop2h 05m
Frontier
Tue 8/1110:16 am
DEN
-
MCI
Nonstop1h 44m
Frontier
Deal found 7/18$137
This Frontier deal was found by Cheapflights users on 7/19. 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.
Fri 9/182:17 pm
MCI
-
DEN
Nonstop2h 05m
Frontier
Wed 9/3010:38 am
DEN
-
MCI
Nonstop1h 44m
Frontier
Deal found 7/19$138

Find flight deals from Kansas City to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$122
(Frontier)

One-way from

$81
(Frontier)

Popular in

June

Cheapest in

September

Average price

$250
Provider with most accurate pricing for Kansas City-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kansas City-Denver Intl flights.
Search Deals
From Kansas City to Denver Intl
Search Deals
One-way flight from Kansas City to Denver Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansas City 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 21, 2026.
Use the filters below to find and compare flights from Kansas City to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Wed 8/19

6:00 am-6:59 am

Nonstop1h 59m

Denver Intl

Wed 8/26

8:46 pm-11:30 pm

Nonstop1h 44m

$171

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Mon 8/24

3:10 pm-4:00 pm

Nonstop1h 50m

Denver Intl

Tue 8/25

6:00 am-1:30 pm

2 stops6h 30m

$186

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Thu 10/1

7:40 pm-12:10 am

1 stop5h 30m

Denver Intl

Mon 10/5

1:50 pm-8:00 pm

1 stop5h 10m

$191

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Tue 9/8

11:10 am-11:55 am

Nonstop1h 45m

Denver Intl

Tue 9/15

7:20 am-1:35 pm

1 stop5h 15m

$213

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Tue 8/11

6:00 am-6:59 am

Nonstop1h 59m

Denver Intl

Fri 8/14

8:46 pm-11:30 pm

Nonstop1h 44m

$221

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Tue 8/11

5:40 pm-11:34 pm

1 stop6h 54m

Denver Intl

Wed 8/12

6:00 am-11:26 am

1 stop4h 26m

$223

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Thu 8/20

5:30 pm-10:20 pm

1 stop5h 50m

Denver Intl

Tue 8/25

6:00 am-1:30 pm

2 stops6h 30m

$228

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Fri 11/6

12:10 pm-1:05 pm

Nonstop1h 55m

Denver Intl

Sat 11/14

11:05 am-6:50 pm

2 stops6h 45m

$231

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Wed 8/26

2:05 pm-7:15 pm

2 stops6h 10m

Denver Intl

Thu 8/27

3:15 pm-10:05 pm

2 stops5h 50m

$233

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Sat 8/22

12:20 pm-6:35 pm

2 stops7h 15m

Denver Intl

Tue 8/25

6:00 am-1:30 pm

2 stops6h 30m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Kansas City to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kansas City to Denver in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
BudgetAirPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kansas City-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kansas City-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kansas City-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kansas City-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kansas City-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kansas City to Denver

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

How far ahead should I book a flight from Kansas City to Denver?

The best time to book flights from Kansas City to Denver is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Kansas City to Denver (average of $171). Flying from Kansas City to Denver in June is currently the most expensive (average of $255). 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 MCI to DEN?

Find hourly flight availability from Kansas City 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 21, 2026.

It’s typically best to fly out from Kansas City to Denver in the evening. Doing so could potentially save you 53% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Kansas City to Denver?

Use this chart to determine the cheapest time to fly round-trip from Kansas City to Denver. Price data was last updated on July 18, 2026.

Travelers seeking maximum savings on their Kansas City to Denver flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Kansas City to Denver?

The best insider tips for Kansas City to Denver flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Kansas City to Denver trip
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier and Southwest

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Matt Meltzer

Matt Meltzer

Expert on MCI

Matt Meltzer has been a travel writer for over a decade, covering U.S. domestic locations and hotels for Thrillist, Fifty Grande, Matador Network, Conde Nast Traveler, and other top publications. He's won multiple travel journalism awards from the Society of American Travel Writers and North American Travel Journalists Association, and currently resides in South Florida.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

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 21, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andFrontier from Kansas City to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
10,018 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.6
Fair
2,771 reviews
Southwest
8.0
Very good
4,241 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

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

  • What airports do I use to fly from Kansas City to Denver?

    If you book a flight from Kansas City to Denver, you will be flying from Kansas City to Denver Intl. Flights to Denver Intl (DEN) from Kansas City (MCI) take 1h 45m for a nonstop flight. There are 16 flights from Kansas City to Denver per day from 3 airlines.

  • How popular is this Kansas City to Denver flight route?

    Flights from Kansas City to Denver Intl have been viewed 226 times in the past calendar month.

  • How long is the flight from Kansas City to Denver?

    There are many flights that can get you from Kansas City to Denver in 1h 50m. Fly via United Airlines or Southwest to get the fastest option. Kansas City and Denver are separated by a distance of 531 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from Kansas City to Denver round-trip?

    According to our current data, Frontier ($57), United Airlines ($146), and Southwest ($157) offers the cheapest pricing from Kansas City to Denver. You may be able to fly from Kansas City to Denver for 72% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $38. However, be on the lookout for offers from United Airlines and Southwest, as they are both options that can get you from Kansas City to Denver for a low price.

  • What are the most reliable airlines from Kansas City to Denver?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Kansas City to Denver on time: SkyWest Airlines (88%), Volaris (85%), Air Canada (83%).

  • What are the cheapest flights from Kansas City to Denver?

    While on average a flight from Kansas City to Denver is generally $1,412, our data shows the cheapest flight currently is $102. When looking at the most popular route, (Kansas City - Denver Intl), you can expect to pay $114 for that flight.

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

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

  • How can I find direct flights from Kansas City to Denver?

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

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

    Yes. Cheapflights offers flight deals from Kansas City 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 Kansas City to Denver?

    Currently, September is the cheapest month in which you can book a flight from Kansas City to Denver (average of $171). Flying from Kansas City to Denver in June is currently the most expensive (average of $255). 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
Thornton
Black Hawk
Westminster
Centennial
Lakewood
Broomfield
Golden
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
Evergreen

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Kansas City to Denver

Discover the top 3 airlines that operate flights from Kansas City 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 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$153FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$146Average$272FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$157Average$278FlexibilityNo cancel feeOn-time63%

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