$41+ Cheap flights from Missouri to Denver (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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DEN
Nov 15 — Nov 221
1 adult, Economy
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Cheapest flights from Missouri to DenverExplore the most affordable flight options available from Missouri to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.
Explore the most affordable flight options available from Missouri to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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.
Sat 10/257:52 pmSTL - DEN
Nonstop2h 28mFrontier
Tue 10/286:00 amDEN - STL
Nonstop2h 07mFrontier
Deal found 10/16![Frontier logo]()
$68
This Cheapflightsfares deal was found by Cheapflights users on 10/16. 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 11/127:45 pmSTL - DEN
Nonstop2h 28mFrontier
Fri 11/146:00 amDEN - STL
Nonstop2h 07mFrontier
Deal found 10/16![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/158:28 pmMCI - DEN
Nonstop2h 01mFrontier
Sat 11/224:52 pmDEN - MCI
Nonstop1h 41mFrontier
Deal found 10/16![Frontier logo]()
$70
This Priceline deal was found by Cheapflights users on 10/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/108:28 pmMCI - DEN
Nonstop2h 01mFrontier
Tue 11/182:37 pmDEN - MCI
Nonstop1h 42mFrontier
Deal found 10/14![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/107:45 pmSTL - DEN
Nonstop2h 28mFrontier
Fri 11/146:00 amDEN - STL
Nonstop2h 07mFrontier
Deal found 10/15![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:45 pmSTL - DEN
Nonstop2h 28mFrontier
Tue 11/186:00 amDEN - STL
Nonstop2h 07mFrontier
Deal found 10/15![Frontier logo]()
$75
This CheapOair deal was found by Cheapflights users on 10/16. 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 11/78:28 pmMCI - DEN
Nonstop2h 01mFrontier
Tue 11/112:37 pmDEN - MCI
Nonstop1h 42mFrontier
Deal found 10/16![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:28 pmMCI - DEN
Nonstop2h 01mFrontier
Mon 11/104:50 pmDEN - MCI
Nonstop1h 43mFrontier
Deal found 10/14![Frontier logo]()
$77
This Cheapflightsfares deal was found by Cheapflights users on 10/14. 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.
Sat 10/257:52 pmSTL - DEN
Nonstop2h 28mFrontier
Mon 10/276:00 amDEN - STL
Nonstop2h 07mFrontier
Deal found 10/14![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 10/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/108:28 pmMCI - DEN
Nonstop2h 01mFrontier
Wed 11/122:37 pmDEN - MCI
Nonstop1h 42mFrontier
Deal found 10/14![Frontier logo]()
$80
This CheapOair deal was found by Cheapflights users on 10/16. 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.
Wed 11/196:49 pmMCI - DEN
Nonstop1h 59mFrontier
Fri 11/214:52 pmDEN - MCI
Nonstop1h 41mFrontier
Deal found 10/16![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:45 pmSTL - DEN
Nonstop2h 28mFrontier
Sun 11/166:00 amDEN - STL
Nonstop2h 07mFrontier
Deal found 10/16![Frontier logo]()
$83
Cheap flight deals from Missouri to Denver
Keep the following information in mind while searching for Missouri to Denver flight deals. Data was last updated October 16, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $68 (Cheapflightsfares) |
One-way from | $41 (Kiwi.com) |
Popular in | March |
Cheapest in | November |
Average price | $175 |
Good round-trip deal | $187 or less |
Good one-way deal | $109 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri 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 16, 2025.
Use the filters below to find and compare flights from Missouri to Denver that are best for you.
Fly from
Missouri
Fly to
Denver
Route
Depart
Return
Price
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Thu 10/30
11:07 am-9:30 pm
1 stop11h 23m
Denver Intl
Mon 11/3
6:00 am-9:07 am
Nonstop2h 07m
$122
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Sat 11/8
7:45 pm-9:13 pm
Nonstop2h 28m
Denver Intl
Sun 11/9
12:16 am-1:17 pm
1 stop12h 01m
$134
Kansas CityDenver
MCI - DEN
MCIDEN
Kansas City
Sun 11/2
8:28 pm-9:29 pm
Nonstop2h 01m
Denver Intl
Sat 11/8
4:50 pm-7:33 pm
Nonstop1h 43m
$138
Kansas CityDenver
MCI - DEN
MCIDEN
Kansas City
Fri 11/14
11:12 am-9:28 pm
1 stop11h 16m
Denver Intl
Fri 11/21
4:52 pm-7:33 pm
Nonstop1h 41m
$159
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Fri 11/7
7:45 pm-9:13 pm
Nonstop2h 28m
Denver Intl
Sun 11/9
10:29 pm-11:24 am
1 stop11h 55m
$168
Kansas CityDenver
MCI - DEN
MCIDEN
Kansas City
Mon 11/17
5:45 am-10:35 am
1 stop5h 50m
Denver Intl
Wed 11/19
8:05 am-10:45 am
Nonstop1h 40m
$172
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
Wed 12/10
2:20 pm-6:58 pm
1 stop5h 38m
Denver Intl
Wed 12/17
3:54 pm-12:50 am
1 stop7h 56m
$177
Kansas CityDenver
MCI - DEN
MCIDEN
Kansas City
Sat 11/8
4:50 pm-5:40 pm
Nonstop1h 50m
Denver Intl
Mon 11/10
6:00 am-8:45 am
Nonstop1h 45m
$182
Kansas CityDenver
MCI - DEN
MCIDEN
Kansas City
Wed 1/7
8:45 am-9:40 am
Nonstop1h 55m
Denver Intl
Mon 1/12
8:45 am-11:30 am
Nonstop1h 45m
$182
Kansas CityDenver
MCI - DEN
MCIDEN
Kansas City
Sun 1/11
9:05 am-10:15 am
Nonstop2h 10m
Denver Intl
Sat 1/17
1:31 pm-4:08 pm
Nonstop1h 37m
$192
Showing 1-10 of 60 results
Best time to book a flight from Missouri to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Missouri 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 Missouri to Denver
What is the cheapest month to book a flight from Missouri to Denver?
Currently, February is the cheapest month in which you can book a flight from Missouri to Denver (average of $36). Flying from Missouri to Denver in July is currently the most expensive (average of $104). 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 MO to DEN?
Find hourly flight availability from Missouri 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 16, 2025.
A simple way to save on the total cost of your ticket is to fly from Missouri to Denver in the evening. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from Missouri to Denver?
Use this chart to determine the cheapest time to fly round-trip from Missouri to Denver. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Missouri to Denver flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Missouri to Denver
Explore weekly flight availability from Missouri 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 October 16, 2025.
The most flights from USMO to DEN are scheduled on a Wednesday (18 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (7 on average).
Related info for your journey
Find useful and relevant information for your journey from Missouri to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsBlack Hawk
Westminster
Lakewood
Golden
Broomfield
Winter Park
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Central City
Manitou Springs
Fort Morgan
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker
Sterling
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Missouri to Denver
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Missouri to Denver
Discover the top 5 airlines that operate flights from Missouri 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 16, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$47 | Average$130 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$108 | Average$275 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$126 | Average$299 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$145 | Average$264 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$332 | FlexibilityNo cancel fee | On-time71% |