HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$53+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — DEN
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Kansas City to Denver Intl are usually found in November or April, booked 77 days in advance, depart on a Friday or Wednesday and return on a Friday

Find 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 October 10, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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.
Mon 10/278:38 pmMCI - DEN
Nonstop2h 01mFrontier
Fri 10/314:50 pmDEN - MCI
Nonstop1h 43mFrontier
Deal found 10/7$83
This Frontier deal was found by Cheapflights users on 10/9. 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 11/78:28 pmMCI - DEN
Nonstop2h 01mFrontier
Sun 11/912:59 amDEN - MCI
1 stop8h 18mFrontier
Deal found 10/9$86
This Frontier deal was found by Cheapflights users on 10/8. 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 10/318:28 pmMCI - DEN
Nonstop2h 01mFrontier
Mon 11/104:50 pmDEN - MCI
Nonstop1h 43mFrontier
Deal found 10/8$87
This CheapOair deal was found by Cheapflights users on 10/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:28 pmMCI - DEN
Nonstop2h 01mFrontier
Sun 11/912:59 amDEN - MCI
1 stop8h 18mFrontier
Deal found 10/9$90
This Cheapflightsfares deal was found by Cheapflights users on 10/8. 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.
Sun 11/93:04 pmMCI - DEN
Nonstop2h 03mFrontier
Wed 11/122:37 pmDEN - MCI
Nonstop1h 42mFrontier
Deal found 10/8$94
This Cheapflightsfares deal was found by Cheapflights users on 10/9. 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.
Tue 11/46:49 pmMCI - DEN
Nonstop1h 59mFrontier
Thu 11/64:55 pmDEN - MCI
Nonstop1h 43mFrontier
Deal found 10/9$98
This Mytrip deal was found by Cheapflights users on 10/6. 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.
Thu 10/308:28 pmMCI - DEN
Nonstop2h 01mFrontier
Thu 11/64:50 pmDEN - MCI
Nonstop1h 43mFrontier
Deal found 10/6$99
This CheapOair deal was found by Cheapflights users on 10/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/68:28 pmMCI - DEN
Nonstop2h 01mFrontier
Tue 11/112:37 pmDEN - MCI
Nonstop1h 42mFrontier
Deal found 10/9$101
This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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.
Wed 11/56:49 pmMCI - DEN
Nonstop1h 59mFrontier
Fri 11/74:50 pmDEN - MCI
Nonstop1h 43mFrontier
Deal found 10/7$108
This Frontier deal was found by Cheapflights users on 10/7. 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.
Sun 11/168:28 pmMCI - DEN
Nonstop2h 01mFrontier
Tue 11/182:37 pmDEN - MCI
Nonstop1h 42mFrontier
Deal found 10/7$109
This Cheapflightsfares deal was found by Cheapflights users on 10/6. 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.
Wed 10/227:02 pmMCI - DEN
Nonstop1h 59mFrontier
Mon 10/275:12 pmDEN - MCI
Nonstop1h 41mFrontier
Deal found 10/6$110

Cheap 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 October 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$83
(CheapOair)

One-way from

$53
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$166
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. 12% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 10, 2025.
Use the filters below to find and compare flights from Kansas City to Denver that are best for you.

Fly from

Kansas City

Fly to

Denver

Route

Depart

Return

Price

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Thu 2/5

1:42 pm-2:41 pm

Nonstop1h 59m

Denver Intl

Wed 2/11

9:50 am-12:37 pm

Nonstop1h 47m

$187

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Sat 12/13

9:02 am-10:06 am

Nonstop2h 04m

Denver Intl

Thu 1/22

1:31 pm-4:08 pm

Nonstop1h 37m

$197

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Sat 12/13

5:10 pm-9:40 pm

1 stop5h 30m

Denver Intl

Sun 12/14

9:40 am-12:20 pm

Nonstop1h 40m

$202

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Sat 2/21

11:55 am-4:55 pm

1 stop6h 00m

Denver Intl

Wed 2/25

1:50 pm-4:30 pm

Nonstop1h 40m

$207

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Sat 1/24

5:20 pm-10:10 pm

1 stop5h 50m

Denver Intl

Mon 1/26

6:25 pm-9:10 pm

Nonstop1h 45m

$207

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Wed 3/4

9:17 am-10:33 am

Nonstop2h 16m

Denver Intl

Sun 3/8

10:00 am-12:52 pm

Nonstop1h 52m

$209

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Wed 1/28

3:25 pm-4:20 pm

Nonstop1h 55m

Denver Intl

Sun 2/1

8:30 am-11:10 am

Nonstop1h 40m

$209

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Sat 1/17

5:10 pm-6:21 pm

Nonstop2h 11m

Denver Intl

Sun 1/18

5:47 pm-8:33 pm

Nonstop1h 46m

$219

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Thu 11/20

8:45 am-9:35 am

Nonstop1h 50m

Denver Intl

Tue 11/25

8:00 am-10:40 am

Nonstop1h 40m

$219

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Sat 12/13

5:30 am-11:25 am

2 stops6h 55m

Denver Intl

Thu 1/22

9:50 am-5:00 pm

1 stop6h 10m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

Showing 1-10 of 20 results
1
2

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust 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?

Use this chart to determine the optimal time to book a round-trip flight from Kansas City to Denver. Price data was last updated on October 3, 2025.

The best time to book flights from Kansas City to Denver is 77 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, February is the cheapest month in which you can book a flight from Kansas City to Denver (average of $37). Flying from Kansas City to Denver in July is currently the most expensive (average of $107). 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 October 10, 2025.

It’s typically best to fly out from Kansas City to Denver in the evening. Doing so could potentially save you 57% 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 October 5, 2025.

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

The best insider tips for Kansas City to Denver flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Kansas City to Denver trip
Airlines
Frontier

Frontier's UpFront Plus guarantees an empty middle seat for extra comfort.


Frontier offers Zone 1 boarding with a carry-on bag purchase or special fare bundle.

Read more about Frontierby Marisa Garcia
Southwest

Southwest offers free snacks and non-alcoholic beverages, enhancing the short flight experience.


Southwest's open seating policy allows passengers to choose any available seat upon boarding.

Read more about Southwestby Marisa Garcia
United Airlines

Basic Economy allows a personal item only; no carry-on bags unless exceptions apply.


Economy Plus offers extra legroom seats towards the front of the economy cabin.

Read more about United Airlinesby Harriet Baskas
Airports
MCI

MCI's central security checkpoint is efficient, rarely exceeding a 5-minute wait, even without TSA PreCheck.

Read more about MCIby Matt Meltzer
DEN

Take the A Line train from DEN to Union Station in 37 minutes, running every 15 minutes.

Read more about DENby Emily Zemler
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier and Southwest

Marisa Garcia

Marisa Garcia

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 Baskas

Harriet Baskas

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

Matt Meltzer

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 Zemler

Emily Zemler

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 October 10, 2025.
Get a feel of what it's like to fly with Southwest, United Airlines, and American Airlines 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
4,237 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Southwest
8.0
Very good
4,237 reviews
Southwest
8.0
Very good
4,237 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
United Airlines
7.4
Good
8,968 reviews
Southwest
8.0
Very good
4,237 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
American Airlines
7.2
Good
11,043 reviews
Southwest
8.0
Very good
4,237 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Frontier
5.8
Fair
3,143 reviews
Southwest
8.0
Very good
4,237 reviews

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

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 52m for a nonstop flight. There are 14 flights from Kansas City to Denver per day from 4 airlines.

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

    Flights from Kansas City to Denver Intl have been viewed 170 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 59m. Fly via United Airlines or Southwest to get the fastest option. Kansas City and Denver are separated by a distance of 531 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, Frontier ($47), United Airlines ($131), and Southwest ($143) offers the cheapest pricing from Kansas City to Denver. You may be able to fly from Kansas City to Denver for 75% less than the average price by searching for these airlines.

  • 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 (96%), SWISS (95%), United Airlines (81%).

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

    While on average a flight from Kansas City to Denver is generally $613, our data shows the cheapest flight currently is $57. When looking at the most popular route, (Kansas City - Denver Intl), you can expect to pay $65 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, February is the cheapest month in which you can book a flight from Kansas City to Denver (average of $37). Flying from Kansas City to Denver in July is currently the most expensive (average of $107). 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
Black Hawk
Westminster
Golden
Broomfield
Winter Park
Lakewood
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Manitou Springs
Fort Morgan
Glendale
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker
Sterling

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.

Alternative routes for Kansas City to Denver

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Denver flights
Springfield to Denver flights
St. Louis to Colorado Springs flights
Columbia to Denver flights
Springfield to Colorado Springs flights
St. Louis to Montrose flights
Kansas City to Colorado Springs flights
St. Louis to Gunnison flights
Kansas City to Grand Junction flights
Joplin to Denver flights
St. Louis to Durango flights
St. Louis to Aspen flights
St. Louis to Vail flights
Joplin to Colorado Springs flights
Kansas City to Aspen flights
Kansas City to Hayden flights
St. Louis to Grand Junction flights
Kansas City to Durango flights
Columbia to Colorado Springs flights
St. Louis to Hayden flights
Springfield to Hayden flights
Kansas City to Alamosa flights
Columbia to Aspen flights
Branson to Denver flights
Kansas City to Cortez flights
St. Louis to Cortez flights
Cape Girardeau to Denver flights

Top 4 airlines flying from Kansas City to Denver

Discover the top 4 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 October 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$47Average$127FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$131Average$265FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$143Average$234FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$157Average$326FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.