Colorado

$44+ Cheap flights from Missouri to Colorado

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DEN
Apr 16 — Apr 231
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Cheap flight deals from Missouri to Colorado

Cheapest flights from Missouri to Colorado
Explore the most affordable flight options available from Missouri to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/48:16 pm
STL
-
DEN
Nonstop2h 33m
Frontier
Wed 4/86:40 am
DEN
-
STL
Nonstop2h 08m
Frontier
Deal found 3/13$77
This Super.com deal was found by Cheapflights users on 3/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/118:16 pm
STL
-
DEN
Nonstop2h 33m
Frontier
Mon 4/136:40 am
DEN
-
STL
Nonstop2h 08m
Frontier
Deal found 3/13$79
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:17 pm
STL
-
DEN
Nonstop2h 33m
Frontier
Sat 5/94:15 pm
DEN
-
STL
Nonstop2h 08m
Frontier
Deal found 3/15$80
This Super.com deal was found by Cheapflights users on 3/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:19 pm
STL
-
DEN
Nonstop2h 33m
Frontier
Thu 4/164:09 pm
DEN
-
STL
Nonstop2h 12m
Frontier
Deal found 3/13$85
This Trip.com deal was found by Cheapflights users on 3/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/118:16 pm
STL
-
DEN
Nonstop2h 33m
Frontier
Sat 4/184:20 pm
DEN
-
STL
Nonstop2h 12m
Frontier
Deal found 3/13$87
This Cheapflightsfares deal was found by Cheapflights users on 3/17. 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 4/188:17 pm
STL
-
DEN
Nonstop2h 33m
Frontier
Sat 4/254:20 pm
DEN
-
STL
Nonstop2h 12m
Frontier
Deal found 3/17$88
This Frontier deal was found by Cheapflights users on 3/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:34 pm
MCI
-
DEN
Nonstop2h 06m
Frontier
Tue 5/1911:01 am
DEN
-
MCI
Nonstop1h 48m
Frontier
Deal found 3/12$91
This Super.com deal was found by Cheapflights users on 3/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:15 pm
MCI
-
DEN
Nonstop2h 04m
Frontier
Sat 4/1811:20 am
DEN
-
MCI
Nonstop1h 46m
Frontier
Deal found 3/12$96
This Frontier deal was found by Cheapflights users on 3/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:46 pm
MCI
-
DEN
Nonstop2h 02m
Frontier
Sat 4/1811:20 am
DEN
-
MCI
Nonstop1h 46m
Frontier
Deal found 3/12$97
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:17 pm
STL
-
DEN
Nonstop2h 33m
Frontier
Fri 5/14:09 pm
DEN
-
STL
Nonstop2h 12m
Frontier
Deal found 3/12$98
This Super.com deal was found by Cheapflights users on 3/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/108:16 pm
STL
-
DEN
Nonstop2h 33m
Frontier
Mon 4/136:40 am
DEN
-
STL
Nonstop2h 08m
Frontier
Deal found 3/16$99
This Super.com deal was found by Cheapflights users on 3/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:15 pm
MCI
-
DEN
Nonstop2h 04m
Frontier
Sat 4/1811:20 am
DEN
-
MCI
Nonstop1h 46m
Frontier
Deal found 3/12$99

Find flight deals from Missouri to Colorado

Keep the following information in mind while searching for Missouri to Colorado flight deals. Data was last updated March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$77
(Cheapflightsfares)

One-way from

$44
(Frontier)

Popular in

June

Cheapest in

October

Average price

$273

Good round-trip deal

$248 or less

Good one-way deal

$135 or less
Provider with most accurate pricing for Lambert-St Louis-Denver Intl flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Denver Intl flights.
From Missouri to Colorado
One-way flight from Missouri to Colorado
Highest demand for flights based on searches. 16% potential increase in price ($47 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Missouri to Colorado.
Price to beat on a one-way flight from Missouri to Colorado.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Colorado 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 March 17, 2026.
Use the filters below to find and compare flights from Missouri to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Mon 4/13

6:05 pm-7:39 pm

Nonstop2h 34m

Denver Intl

Wed 4/15

1:48 pm-4:56 pm

Nonstop2h 08m

$193

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Mon 4/20

6:05 pm-7:39 pm

Nonstop2h 34m

Denver Intl

Sat 4/25

5:45 pm-8:54 pm

Nonstop2h 09m

$201

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Thu 4/9

6:05 pm-7:39 pm

Nonstop2h 34m

Denver Intl

Thu 4/16

5:45 pm-8:54 pm

Nonstop2h 09m

$201
Quickest round-trip

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Tue 4/21

7:10 am-8:00 am

Nonstop1h 50m

Denver Intl

Tue 4/21

11:00 am-1:35 pm

Nonstop1h 35m

$207

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 5/13

6:35 am-7:55 am

Nonstop2h 20m

Denver Intl

Sun 5/17

8:35 pm-11:45 pm

Nonstop2h 10m

$211

Kansas CityColorado Springs

MCI - COS

MCICOS

Kansas City

Tue 5/5

11:29 am-2:24 pm

1 stop3h 55m

Colorado Springs

Tue 5/12

5:12 pm-11:59 pm

1 stop5h 47m

$211

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Sat 5/9

6:05 pm-7:00 pm

Nonstop1h 55m

Denver Intl

Tue 5/12

2:50 pm-8:50 pm

1 stop5h 00m

$219

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Mon 4/20

9:40 pm-11:00 pm

Nonstop2h 20m

Denver Intl

Sat 4/25

5:55 pm-9:15 pm

Nonstop2h 20m

$221

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 4/11

6:10 am-9:45 am

1 stop4h 35m

Denver Intl

Sat 4/18

7:15 am-3:20 pm

2 stops7h 05m

$225

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sun 5/17

5:25 am-9:50 am

1 stop5h 25m

Denver Intl

Wed 5/20

8:40 am-1:00 pm

1 stop3h 20m

$226

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Missouri to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado 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 Colorado

What is the cheapest month to book a flight from Missouri to Colorado?

Currently, October is the cheapest month in which you can book a flight from Missouri to Colorado (average of $51). Flying from Missouri to Colorado in July is currently the most expensive (average of $107). 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 CO?

Find hourly flight availability from Missouri to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 17, 2026.

A simple way to save on the total cost of your ticket is to fly from Missouri to Colorado in the evening. If you’re flexible enough to do this you can expect to save up to 55% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Missouri to Colorado?

Use this chart to determine the cheapest time to fly round-trip from Missouri to Colorado. Price data was last updated on March 14, 2026.

Travelers seeking maximum savings on their Missouri to Colorado flight should consider departing on Saturday evenings 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 Colorado

Explore weekly flight availability from Missouri to Colorado. 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 March 17, 2026.

The most flights from USMO to USCO are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated March 17, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Missouri to Colorado by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Missouri to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this Missouri to Colorado flight route?

  • How long is the flight from Missouri to Colorado?

    Airlines like United Airlines, Southwest, and American Airlines fly from Missouri to Colorado in about 1h 50m. The time it takes to get you to your destination can typically vary by up to 4h 14m. Airlines will cover a distance of 531 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Missouri to Colorado one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $33. However, be on the lookout for offers from Southwest and United Airlines, as they are both options that can get you from Missouri to Colorado for a low price.

  • Can I find deals for flights from Missouri to Colorado that include hotel bookings?

    Yes. In addition to deals on Missouri to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Colorado.

  • Can I find deals for business class flights from Missouri to Colorado?

    Yes. Cheapflights offers flight deals from Missouri to Colorado 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 Missouri to Colorado?

    Currently, October is the cheapest month in which you can book a flight from Missouri to Colorado (average of $51). Flying from Missouri to Colorado in July is currently the most expensive (average of $107). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Missouri to Colorado

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Missouri to Colorado

Discover the top 5 airlines that operate flights from Missouri to Colorado. 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 March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$136FlexibilityNo cancel feeOn-time62%
DeltaCheapest$108Average$298FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$129Average$388FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$145Average$311FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$157Average$358FlexibilityNo cancel feeOn-time71%

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