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$80+ 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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — DEN
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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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”

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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 October or September, booked 78 days in advance, depart on a Friday or Wednesday and return on a Friday

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 August 14, 2025.

Round-trip from

$106
(Cheapflightsfares)

One-way from

$80
(Cheapflightsfares)

Popular in

June

Cheapest in

October

Average price

$171
From Kansas City to Denver Intl
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One-way flight from Kansas City to Denver Intl
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Highest demand for flights based on searches. 17% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 14, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 9/143:01 pmMCI - DEN
Nonstop2h 01mFrontier
Thu 9/1811:03 amDEN - MCI
Nonstop1h 45mFrontier
Deal found 8/12$106
This CheapOair deal was found by Cheapflights users on 8/12. 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.
Fri 9/53:01 pmMCI - DEN
Nonstop2h 01mFrontier
Sun 9/711:03 amDEN - MCI
Nonstop1h 45mFrontier
Deal found 8/12$108
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/43:01 pmMCI - DEN
Nonstop2h 01mFrontier
Sun 9/711:03 amDEN - MCI
Nonstop1h 45mFrontier
Deal found 8/13$110
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 9/12:18 pmMCI - DEN
Nonstop2h 06mFrontier
Fri 9/511:03 amDEN - MCI
Nonstop1h 45mFrontier
Deal found 8/12$111
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 9/53:01 pmMCI - DEN
Nonstop2h 01mFrontier
Mon 9/811:03 amDEN - MCI
Nonstop1h 45mFrontier
Deal found 8/12$114
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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 9/83:01 pmMCI - DEN
Nonstop2h 01mFrontier
Mon 9/1511:03 amDEN - MCI
Nonstop1h 45mFrontier
Deal found 8/12$115
This Frontier deal was found by Cheapflights users on 8/11. 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 9/123:01 pmMCI - DEN
Nonstop2h 01mFrontier
Thu 9/1811:03 amDEN - MCI
Nonstop1h 45mFrontier
Deal found 8/11$116
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 9/43:01 pmMCI - DEN
Nonstop2h 01mFrontier
Mon 9/811:03 amDEN - MCI
Nonstop1h 45mFrontier
Deal found 8/14$117
This Frontier deal was found by Cheapflights users on 8/13. 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 10/138:38 pmMCI - DEN
Nonstop2h 01mFrontier
Thu 10/235:12 pmDEN - MCI
Nonstop1h 41mFrontier
Deal found 8/13$119
This Frontier deal was found by Cheapflights users on 8/13. 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 10/178:38 pmMCI - DEN
Nonstop2h 01mFrontier
Wed 10/223:14 pmDEN - MCI
Nonstop1h 41mFrontier
Deal found 8/13$120
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:38 pmMCI - DEN
Nonstop2h 01mFrontier
Mon 10/205:12 pmDEN - MCI
Nonstop1h 41mFrontier
Deal found 8/13$123
This CheapOair deal was found by Cheapflights users on 8/12. 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.
Fri 9/263:01 pmMCI - DEN
Nonstop2h 01mFrontier
Sun 9/2811:03 amDEN - MCI
Nonstop1h 45mFrontier
Deal found 8/12$124

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 August 14, 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 10/2

3:01 pm-4:02 pm

Nonstop2h 01m

Denver Intl

Fri 10/3

11:03 am-1:48 pm

Nonstop1h 45m

$106

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Sun 9/14

3:01 pm-4:02 pm

Nonstop2h 01m

Denver Intl

Thu 9/18

11:03 am-1:48 pm

Nonstop1h 45m

$106

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Thu 10/16

8:38 pm-9:39 pm

Nonstop2h 01m

Denver Intl

Mon 10/20

5:12 pm-7:53 pm

Nonstop1h 41m

$106

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Fri 9/5

3:01 pm-4:02 pm

Nonstop2h 01m

Denver Intl

Sun 9/7

11:03 am-1:48 pm

Nonstop1h 45m

$108

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Fri 9/19

3:01 pm-4:02 pm

Nonstop2h 01m

Denver Intl

Mon 9/29

11:03 am-1:48 pm

Nonstop1h 45m

$108

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Thu 10/2

3:01 pm-4:02 pm

Nonstop2h 01m

Denver Intl

Sun 10/5

11:03 am-1:48 pm

Nonstop1h 45m

$108

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Wed 10/15

7:02 pm-8:01 pm

Nonstop1h 59m

Denver Intl

Wed 10/22

3:14 pm-5:55 pm

Nonstop1h 41m

$108

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Wed 10/15

7:02 pm-8:01 pm

Nonstop1h 59m

Denver Intl

Sun 10/19

5:12 pm-7:53 pm

Nonstop1h 41m

$110

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Thu 9/4

3:01 pm-4:02 pm

Nonstop2h 01m

Denver Intl

Sun 9/7

11:03 am-1:48 pm

Nonstop1h 45m

$110

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Fri 10/10

8:38 pm-9:39 pm

Nonstop2h 01m

Denver Intl

Sat 10/11

3:14 pm-5:55 pm

Nonstop1h 41m

$110

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 21 results
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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
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

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

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 August 8, 2025.

The best time to book flights from Kansas City to Denver is 78 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, October is the cheapest month in which you can book a flight from Kansas City to Denver (average of $197). Flying from Kansas City 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 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 August 14, 2025.

It’s typically best to fly out from Kansas City to Denver in the evening. Doing so could potentially save you 60% 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 August 10, 2025.

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. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Kansas City to Denver

Explore weekly flight availability from Kansas City to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 14, 2025.

The most flights from MCI to DEN are scheduled on a Thursday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

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 August 14, 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
4,244 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

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
4,244 reviews
Southwest
8.0
Very good
4,244 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

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
8,916 reviews
Southwest
8.0
Very good
4,244 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

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
10,000 reviews
Southwest
8.0
Very good
4,244 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

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
3,219 reviews
Southwest
8.0
Very good
4,244 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.0

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 45m for a nonstop flight. There are 11 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 149 times in the past calendar month.

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

    According to our current data, Frontier ($39), United Airlines ($128), and Southwest ($147) offers the cheapest pricing from Kansas City to Denver. You may be able to fly from Kansas City to Denver for 78% 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: SWISS (87%), Air Canada (68%), SkyWest Airlines (61%).

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

    While on average a flight from Kansas City to Denver is generally $494, our data shows the cheapest flight currently is $83. When looking at the most popular route, (Kansas City - Denver Intl), you can expect to pay $136 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, October is the cheapest month in which you can book a flight from Kansas City to Denver (average of $197). Flying from Kansas City 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
Golden
Winter Park
Greeley
Lone Tree
Lakewood
Cripple Creek
Silverthorne
Thornton
Broomfield
Frisco
Manitou Springs
Grand Lake
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Brighton
Longmont

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kansas City to Denver

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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$39Average$114FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$128Average$262FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$147Average$240FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$157Average$320FlexibilityNo cancel feeOn-time71%

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