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$78+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — DEN
juil. 16 — juil. 231
mer. 7/16
mer. 7/23
1 adult, Economy
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Cheapflights Tip: The best prices from Kansas City to Denver Intl are usually found in August or October, 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 juillet 11, 2025.

Round-trip from

$120
(Cheapflightsfares)

One-way from

$78
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$158
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. 13% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 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 juillet 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/10. 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.
ven. 9/122:55 pmMCI - DEN
Nonstop2h 02mFrontier
dim. 9/1411:03 amDEN - MCI
Nonstop1h 45mFrontier
Deal found 7/10$120
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/115:55 amMCI - DEN
Nonstop1h 45mSouthwest
jeu. 8/1410:00 amDEN - MCI
Nonstop1h 40mSouthwest
Deal found 7/9$121
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/66:00 amMCI - DEN
Nonstop1h 50mUnited Airlines
mer. 8/134:25 pmDEN - MCI
1 stop5h 49mUnited Airlines
Deal found 7/9$147
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/236:50 amMCI - DEN
1 stop6h 00mAmerican Airlines
sam. 8/308:34 amDEN - MCI
1 stop4h 27mAmerican Airlines
Deal found 7/9$159

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 juillet 11, 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

ven. 9/12

2:55 pm-3:57 pm

Nonstop2h 02m

Denver Intl

dim. 9/14

11:03 am-1:48 pm

Nonstop1h 45m

$120

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

lun. 8/11

5:55 am-6:40 am

Nonstop1h 45m

Denver Intl

jeu. 8/14

10:00 am-12:40 pm

Nonstop1h 40m

$121

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

mer. 8/6

6:00 am-6:50 am

Nonstop1h 50m

Denver Intl

mer. 8/13

4:25 pm-11:14 pm

1 stop5h 49m

$147

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

sam. 8/23

6:50 am-11:50 am

1 stop6h 00m

Denver Intl

sam. 8/30

8:34 am-2:01 pm

1 stop4h 27m

$159

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

ven. 8/1

8:01 pm-9:11 pm

Nonstop2h 10m

$78

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

dim. 8/17

6:00 am-6:50 am

Nonstop1h 50m

$79

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

sam. 8/30

9:28 am-1:55 pm

1 stop5h 27m

$80

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

lun. 9/15

7:25 am-12:30 pm

2 stops6h 05m

$81

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

lun. 9/8

5:33 pm-11:09 pm

1 stop6h 36m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

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 June 27, 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 juillet 11, 2025.

It’s typically best to fly out from Kansas City to Denver in the evening. Doing so could potentially save you 63% 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 6, 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 juillet 11, 2025.

The most flights from MCI to DEN are scheduled on a Wednesday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 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 juillet 11, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and United 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,250 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,846 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
5.9
Fair
3,271 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 14 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 158 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 ($120), Southwest ($121), and United Airlines ($147) offers the cheapest pricing from Kansas City to Denver. You may be able to fly from Kansas City to Denver for 30% 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 $78. However, be on the lookout for offers from United Airlines and American Airlines, 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: SWISS (86%), Air Canada (72%), SkyWest Airlines (68%).

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

    While on average a flight from Kansas City to Denver is generally $1,327, our data shows the cheapest flight currently is $100. When looking at the most popular route, (Kansas City - Denver Intl), you can expect to pay $101 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 Kansas City?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Kansas City to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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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 juillet 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$103FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$121Average$258FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$150Average$243FlexibilityNo cancel feeOn-time63%

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