Kansas City to Denver MCI → DEN
Kansas City International Airport (MCI) → Denver International Airport (DEN)
The cheapest one-way found recently is $78 with Frontier Airlines, 23 Nov, found 3 days ago.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $107 to $141.
Cheapest one-way found recently
$78
23 Nov · Frontier Airlines
Kansas City International Airport (MCI) → Denver International Airport (DEN)
Leaves 8:29 p.m. · 2 h 5 min trip
nonstop
found 3 days ago
Cheapest nonstop one-way
$78
23 Nov · Frontier Airlines
Kansas City International Airport (MCI) → Denver International Airport (DEN)
Leaves 8:29 p.m. · 2 h 5 min trip
nonstop
found 3 days ago
Found recently, and the cheapest we hold
$78 23 Novfound 3 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $39 to $78.
At $78, the cheapest one-way found recently is at the high end of that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 3 departure dates from 30 Oct to 23 Nov, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 23 Nov to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 30 Oct | $136 | Frontier Airlines | Kansas City International Airport (MCI) → Denver International Airport (DEN) | nonstop | found 4 days ago | Open this trip |
| 31 Oct | $145 | Frontier Airlines | Kansas City International Airport (MCI) → Denver International Airport (DEN) | nonstop | found 3 days ago | Open this trip |
| 23 Nov | $78 | Frontier Airlines | Kansas City International Airport (MCI) → Denver International Airport (DEN) | nonstop | found 3 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $78.
Airlines on the cheapest dates: Frontier Airlines.
Premium cabin fares from Kansas City to Denver
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 23 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Kansas City to Denver?
One-way
Fares 30 to 59 days before departure were typically 79% lower than 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $188 | $188 | +382% | 8 |
| 7–13 days | $140 | $136 | +259% | 11 |
| 30–59 days | $39 | $39 | Cheapest seen | 24 |
Live price for these dates
The cheapest one-way found recently is for 23 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work