MCI - DEN

$27 Find Cheap Flights from Kansas City to Denver

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Kansas City to Denver departing on 4/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Denver

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Kansas City to Denver, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Kansas City to Denver, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$69
Overall average: $204
Frontier
Sat 3/28Sat 4/4
MCI - DEN • Non-stop
Cheapest one-way
$27
Typical prices: $74-$164
Frontier
Sat 4/18
MCI - DEN • Non-stop
Our travelers' advice
AI-powered summary based on content written by travel experts. AI can make mistakes.
Frontier's Economy Bundle includes a carry-on and seat choice.
Southwest offers two free checked bags, ideal for more luggage.
Expert advice
Expert advice
Expert advice
Expert advice
Video guide: How to find cheap flights to Denver
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When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 29% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
September
Cheapest • 14% price drop
July
Most popular
Good to know
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+1
+1
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+1
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Flight Deals

Cheap Flights from Kansas City to Denver (MCI-DEN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Kansas City to Denver that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Kansas City to Denver

Sat, Mar 28 - Sat, Apr 4
Frontier Logo
8:40 pm - 9:46 pm
MCI
-
DEN
2h 06mnonstop
Frontier Logo
5:11 pm - 7:58 pm
DEN
-
MCI
1h 47mnonstop
$69Frontier
Mon, Mar 2 - Sat, Mar 7
Frontier Logo
8:33 pm - 9:39 pm
MCI
-
DEN
2h 06mnonstop
Frontier Logo
5:14 pm - 7:55 pm
DEN
-
MCI
1h 41mnonstop
$73Frontier
Wed, Mar 4 - Sat, Mar 7
Frontier Logo
4:39 pm - 5:46 pm
MCI
-
DEN
2h 07mnonstop
Frontier Logo
5:14 pm - 7:55 pm
DEN
-
MCI
1h 41mnonstop
$74Frontier
Fri, May 1 - Sat, May 2
Frontier Logo
2:15 pm - 3:19 pm
MCI
-
DEN
2h 04mnonstop
Frontier Logo
11:20 am - 2:06 pm
DEN
-
MCI
1h 46mnonstop
$81Frontier
Sat, May 2 - Sun, May 3
Frontier Logo
2:51 pm - 3:55 pm
MCI
-
DEN
2h 04mnonstop
Frontier Logo
10:45 am - 1:30 pm
DEN
-
MCI
1h 45mnonstop
$82Frontier
Mon, Mar 9 - Thu, Mar 12
Frontier Logo
8:38 pm - 9:44 pm
MCI
-
DEN
2h 06mnonstop
Frontier Logo
5:14 pm - 7:55 pm
DEN
-
MCI
1h 41mnonstop
$83Frontier
Sat, Mar 28 - Mon, Mar 30
Frontier Logo
8:40 pm - 9:46 pm
MCI
-
DEN
2h 06mnonstop
Frontier Logo
5:12 pm - 7:53 pm
DEN
-
MCI
1h 41mnonstop
$84Frontier
Thu, Apr 16 - Sat, Apr 18
Frontier Logo
2:15 pm - 3:19 pm
MCI
-
DEN
2h 04mnonstop
Frontier Logo
11:20 am - 2:06 pm
DEN
-
MCI
1h 46mnonstop
$86Frontier
Sat, May 9 - Mon, May 11
Frontier Logo
2:51 pm - 3:55 pm
MCI
-
DEN
2h 04mnonstop
Frontier Logo
10:45 am - 1:30 pm
DEN
-
MCI
1h 45mnonstop
$88Frontier
Thu, May 7 - Sat, May 9
Frontier Logo
2:15 pm - 3:19 pm
MCI
-
DEN
2h 04mnonstop
Frontier Logo
11:20 am - 2:06 pm
DEN
-
MCI
1h 46mnonstop
$89Frontier
Booking Insights

KAYAK's insights & trends for Kansas City to Denver flights

Get data-powered insights and trends into flights from Kansas City to Denver to help you find the cheapest flights, the best time to fly and much more.

Find cheap flights to Denver
Find cheap flights to Denver

Planning a trip from Kansas City to Denver? KAYAK’s data-powered insights will help you find cheap flights. Learn the best time to fly, how early to book your ticket, and other tips to secure great prices.

What’s the cheapest day of the week to fly from Kansas City to Denver?

The average price of all round-trip flights from Kansas City to Denver clicked on KAYAK for each day over the last 12 months.

When flying from Kansas City to Denver, you should consider leaving on a Friday and avoid Sundays if you are looking for the best rates. For your return to Kansas City, you’ll find the best rates on Fridays and the most expensive ones on Tuesdays.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Kansas City to Denver, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Kansas City to Denver is September, where tickets cost $167 (return) on average. On the other hand, the most expensive months are June and May, where the average cost of round-trip tickets is $240 and $218 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Kansas City to Denver, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Kansas City to Denver, you should book around 3 weeks before departure, which saves you about 29% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Expert advice

Expert advice for your flight from Kansas City to Denver

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier and United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

John Walton

John Walton

Expert on MCI

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Harriet Baskas

Harriet Baskas

Expert on DEN

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.

Good to know

Low seasonJanuary
Cheapest flight$27
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 8% increase in price.
Flight from Kansas City to Denver

When to book flights from Kansas City to Denver

Are your dates flexible? Find out the best times to travel from Kansas City to Denver based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Kansas City to Denver

  • Does the Denver airport have airport hotels?

    The Westin Denver International Airport hotel is located only a few steps from the main terminal. The hotel features 519 rooms and a conference center. Otherwise, there are numerous hotels within 10 miles of Denver International Airport that you can book if you want to stay relatively close to the airport.

  • Are there nonstop flights from Kansas City to Denver, Colorado?

    Different airlines serve flights from Kansas City to Denver, including American Airlines and United Airlines. You can find nonstop flights via United Airlines. Otherwise, you will need to book a flight with one-stop. Most one-stop flights have their layover at Dallas Fort Worth International Airport (DFW) or Chicago O'Hare International Airport (ORD).

  • Does Denver International Airport offer accessible services for people with disabilities?

    The airport offers numerous services for travelers with disabilities. There are transportation companies to pick up travelers with special needs from the curbside outside the Jeppesen Terminal on Level 5—prior notice required. At the ticket counter, you can request a wheelchair or electric cart through your airline. All ground transportation companies have wheelchair-accessible vehicles.

  • Can I travel with my pet through Denver International Airport?

    Yes, traveling with your pet through Denver International Airport is convenient, and the airport offers animal relief areas on the concourses. These areas give your pet a welcoming space, allowing them to relax before or after a flight. You can find the pet relief rooms near gates A, B, and C.

  • What is the cheapest flight from Kansas City to Denver?

    In the last 3 days, the lowest price for a flight from Kansas City to Denver was $27 for a one-way ticket and $69 for a round-trip.

  • Do I need a passport to fly between Kansas City and Denver?

    No, a passport isn't needed to fly from Kansas City to Denver. However, local authorities might ask for an official ID.

  • Which airlines offer Wi-Fi service onboard planes from Kansas City to Denver?

    Delta, American Airlines, JetBlue, and Alaska Airlines offer inflight Wi-Fi service on the Kansas City to Denver flight route.

  • Which aircraft models fly most regularly from Kansas City to Denver?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the Kansas City to Denver flight route.

  • Which airline alliances offer flights from Kansas City to Denver?

    oneworld, and Star Alliance are the airline alliances operating flights between Kansas City and Denver, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Kansas City to Denver?

    There are nonstop flights from Kansas City to Denver on a daily basis.

  • Which is the best airline for flights from Kansas City to Denver, Southwest or United Airlines?

    The two airlines most popular with KAYAK users for flights from Kansas City to Denver are Southwest and United Airlines. With an average price for the route of $236 and an overall rating of 8.0, Southwest is the most popular choice. United Airlines is also a great choice for the route, with an average price of $262 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Kansas City to Denver?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Kansas City to Denver.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Kansas City to Denver?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Kansas City is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Kansas City to Denver?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Denver with an airline and back to Kansas City with another airline. Booking your flights between Kansas City and DEN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Kansas City to Denver?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Denver from Kansas City up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Kansas City to Denver

  • Looking for a cheap flight? 25% of our users found flights on this route for $148 or less one-way and $231 or less round-trip.
  • Kansas City International Airport (MCI) is the preferred departure point for travelers going to Denver. People going to the airport from downtown Kansas City will find there are convenient ways to travel to the airport, and multiple airlines operate at the airport.
  • If you need curbside assistance at any terminal in Kansas City International Airport, call your airline or notify the Airport Traffic Control Officer; you can only use curbs for immediate loading or unloading.
  • At Terminals B and C, you’ll find animal relief areas for pets. If you’re flying with Frontier Airlines, American Airlines, Spirit Airlines, or Alaska Airlines, you’ll be able to access the animal relief area.
  • For all your connectivity needs, the Kansas City International Airport offers free Wi-Fi. The Wi-Fi zone may be limited in ranges and its geographical footprint, so check for logos like “Wi-Fi Certified,” “Wi-Fi Zone,” or “Wi-Fi Protected Access.”
  • Flights from Kansas City arrive at Denver International Airport (DEN), located strategically to serve metropolitan Denver and neighboring areas, including the extensive Front Range Urban Corridor.
  • If you’re exhausted when you arrive at the Denver airport and you need to relax, there are spas and lounges available within the B gates, A gates, and C gates. There, you can get a massage and enjoy extra space to recharge.
  • Dining options at the Denver airport include restaurants with take-out options. You can find these restaurants at the C gates next to Gate C26, at the B gates, at the A gates in the central area, and near Gate A71.
  • Travel options from Denver International Airport include the A Line commuter train, which takes approx. 37min to get to downtown Denver. Also, you can take hotel shuttles to nearby hotels. Taxis are available from the airport, or if you want something a little cheaper, you can request an Uber on your smartphone.

Prefer to fly direct from Kansas City to Denver?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Kansas City to Denver Intl.
Find which airlines fly direct from Kansas City Airport to Denver Intl Airport, which days they fly and book direct flights.

Direct departures

Kansas City to Denver Intl

Monday

Frontier, Southwest, United Airlines

Frontier, Southwest, +1 more

Tuesday

Southwest, United Airlines, Frontier

Southwest, United Airlines, +1 more

Wednesday

Frontier, Southwest, United Airlines

Frontier, Southwest, +1 more

Thursday

Frontier, Southwest, United Airlines

Frontier, Southwest, +1 more

Friday

Frontier, Southwest, United Airlines

Frontier, Southwest, +1 more

Saturday

Frontier, Southwest, United Airlines

Frontier, Southwest, +1 more

Sunday

Frontier, Southwest, United Airlines

Frontier, Southwest, +1 more

See more direct flights

Direct returns

Denver Intl to Kansas City

Monday

Frontier, Southwest, United Airlines

Frontier, Southwest, +1 more

Tuesday

Southwest, United Airlines, Frontier

Southwest, United Airlines, +1 more

Wednesday

Frontier, Southwest, United Airlines

Frontier, Southwest, +1 more

Thursday

Frontier, Southwest, United Airlines

Frontier, Southwest, +1 more

Friday

Frontier, Southwest, United Airlines

Frontier, Southwest, +1 more

Saturday

Frontier, Southwest, United Airlines

Frontier, Southwest, +1 more

Sunday

Frontier, Southwest, United Airlines

Frontier, Southwest, +1 more

See more direct flights

Reviews of the top 4 airlines serving from Kansas City to Denver

 
See real verified KAYAK customer reviews for airlines flying from Kansas City to Denver. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Kansas City to Denver? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4280 reviews
7.5Entertainment
8.1Boarding
7.0Food
8.6Crew
8.0Comfort
Airline reviews

The seats are now more narrow. I paid for front row the seats in the front are even more narrow than before.

2.0 MediocreDavid, Feb 2026
SAN - LAS
Read more Southwest reviews

The seats are now more narrow. I paid for front row the seats in the front are even more narrow than before.

Only downside was the legroom and seat width, which is always a problem unless I spend more for a premium seat.

My flight from Denver to Minneapolis was excellent. My flight from Minneapolis to Denver was one of the worst I flights I have ever experienced. I had a window seat, the gentleman in the middle seat was morbidly obese and SW should have made him purchase two seats. His elbow dug into my arm most of the way even after I asked to please be careful. I was literally squashed between the him and the window with no wiggle room. The plane was full so it was not possible to ask for a different seat. I realize I should have complained to the flight attendant but I didn't feel anything could be done to rectify the situation. I fly SW often, I will continue to do so as this was my first negative experience.

I was assigned seat 7E, yet my boarding was Group 5, which caused me to have to put my luggage in the back of the plance above `19 or 20 aisle, as passengers who had boarded earlier took the overhead bins in the front. SW needs to monitor bin space and ensure that bin space above the seat are aligned to those sitting near their seats. Also the seating assignments needs to align with group number. Maybe board those last first and so on? Having said the ALL the passengers on the plane were gracious enough to allow me and other passengers in this dilema to retrieve our luggage and helped us along the way. I always love the flight staff, as always their fantastic and I can't rave about them enough!

I appreciate the staff who allowed me to board though I arrived a little late! Regarding the assigned seating, I had booked my flight before this change and wasn't aware of the change at the time, and so I didn't select a seat at booking as I didn't realize it was relevant. Better communication about the change would have been helpful for preparing.

Pretty seamless, just a tad bit late in taking off and landing.

Everything a cheap airline should be at normal airline rates.

Sacrament staff are always polite and helpful. Airport is easy to maneuver and boarding is straightforward.

Delays delays delays. Late taking off, late landing, wait for a gate, etc.

Near 4 hour flight with only 1 service. Had to use call button to request water. Internet and power not working until into flight. Internet would stop working during flight.

Everything was on time Will use united again for sure

The flight was delayed by two de-icings. The seatbelt did not work correctly. It did not stay tight.

Hotter than Hades in August. Why, why do crews think that in the winter when we are already dressed for cold weather we need a cabin that is 82 degrees. Even the vents were blowing hot air.

Flight was delayed. De-icing took a while. When we landed had to wait for another plane to vacate our gate. Just an overall bad experience.

Not good - outbound flight was delayed and missed my connection even though I got to the gate after running through the airport - the agent would not let me on because the door was closed (flight had not left). There was no notification from United - overall experience was very disappointing. Additionally, I was downgraded from first class to coach on the alternative flight

United have really come back. Airport and boarding process is clear and good, app and information also very good

The entertainment available didn’t work for anyone on the flight. Long 6 hr flight with no entertainment option and the staff didn’t know until an hour into the flight when we made sure they knew about it. They had no way to fix it.

Late FA meant slow boarding. WiFi did not work. I’m a medium plus sized passenger. The seatbelt was for the first time ever barely fitting. And we delayed on the tarmac 40 min

My husband and I had boarded the flight from Denver to Chicago, and one of the last passengers to get on the plane opened the overhead bin above my husband's seat and threw his bag out of the bin to make space for his own. He said, "Mine is bigger!" The flight attendant supported the new passenger. They didn't care that my husband has two artificial knees and must have the foot room in front of his seat to be able to fit his legs in -- and to be able to stand, much less walk, at the end of the flight. I have never seen this happen before, and it was a disaster.

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

The flight was on time/early, attentive crew, and everything overall went smoothly. Disappointed that WIFI was not working for the flight.

One day, I do so hope for a gluten free snack! Seems like with the rest of the world FINALLY figuring out what gluten free is, American Airlines would too. Fingers crossed!!

The flight was significantly delayed for 6.5 hours because of snow. There was no communication once the plane returned to the gate regarding when the flight would resume. Other flights were departing while our flight was being unloaded for reasons unknown. Our flight also seemed out of the queue regarding further deicing, refueling, and waiting to Taxi to the runway.

Flight was on time and the meal and service were good.

Flight was delayed for 2 hours, then last minute the change to on time. The satélite location is far and a nightmare to get to.

This was a horrible experience. I’ve experienced several delays at this point and still not home. I was supposed to be home by 8:30 last night and here I sit at 7 am on a plane STILL unable to go home because of American Airlines.

Generally good. Flight left on time and the seats are comfortable. Plenty of space in front if you in you choose a comfort plus seat, completely worth spending the extra money given the amount of hours the flight lasts. The food tastes good but I would say it’s a the amount is too little. The crew was friendly and efficient. There was a some turbulence at different points into the flight. American Airlines has good deals to NZ if you book with plenty of time before you plan on going.

the plane was so hot!! the air-conditioning was barely blowing. The flight was delayed, and we had to sit on the hot plane before take off for an extended amount of time, waiting on international passengers. Would not have been so bad if it was not so hot. They said it would get better after take off, but it did not.

They are always late and seats was also not having working charger

We flew in first class. The crew did not offer drinks before the flight took off, but they treated us well during the flight. The food was excellent. There was actually too much food served, but it was nice to have all the options.

It was costly and difficult to check in. $85 to take a small suitcase with me, carry on or checked and $75 on the return trip, Plus $25 if I didn't check my self in check in $25, because I couldn't do it on the kiosk. Small very uncomfortable seats, waited on the runway for near an hour each way. It was my worst flight to date.

Due to weather, my flight was delayed, further delayed, then canceled. I eventually got through to a support person who helped me find a different route out of MSP, but to get to DIA, they didn't want to, but eventually did help with the connection ticket purchase. But even this replacement flight was delayed time and time again, and I would have missed my connecting flights and I didn't want to get stuck in a layover city, so after 12 hours at the airport with two young boys who were very tired, we just cancelled our plans and spent the week at home, instead of Nana's.

I knew going into this that Frontier, being a low cost carrier, would be pretty bare bones and charge for most extras but this was made up for by the fact that the airplane was a reasonably new Airbus, every employee was great and best of all, Everett Washington is an amazing airport - thanks Frontier for flying there!!!

Seats were new and comfortable. Staff was fine. Missed my connection due to weather -which wasn’t their fault- but got no help at all. Gate staff sent me to customer service, which was and stayed unstaffed. Sign with QR code directed me to call or chat. Chat was useless. Call was returned after an hour. No itinerary offered by Frontier could get me home in less than 30 hours. Rebooked with another airline and got a partial refund that came to about 10 percent of what I paid to get home.

The experience was good. No frills but I got there safe and sound and on time.

As every law enforcement agency I could imagine surrounded the plane and we didn’t disembark for 2 hours and then had to stick around for another hour to go get our personal belongings after leaving them behind and being bused away from the plane, it was scary and inconvenient. We were given no information as to why this was happening. Lack of communication with passengers was disappointing.

Frontier Airlines was AWFUL. I was an hour early for my flight and the lady refused to check me in. I had to purchase a whole new ticket with a different airline.

Late, terrible communication, horrible planning of passenger seating until the literal last minute. One of the worst flying experiences of my life. Y'all suck

First of all, we never got on the connecting flight to Denver. They delayed our flight for two hours. If we would have gotten on that flight, we would have been stuck in Denver for 13 hours. So we re- routed our flight for a straight through flight to Oklahoma two days later. THEN, they delayed that flight for two hours. After that we were able to finally get on our flight and come home. Frontier Airlines - one of the worst airlines I have ever been on.

Terrible communication with weather delay, lost baggage, near impossible to reach customer service

Everything you need to know for your flight from Kansas City to Denver

Other airlines flying from Kansas City to Denver

Flights from the other most popular airlines that fly from Kansas City to Denver according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.