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$84+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DEN
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 July 3, 2025.

Round-trip from

$121
(Priceline)

One-way from

$86
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$158

Good round-trip deal

$248 or less

Good one-way deal

$132 or less
From Missouri to Denver Intl
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One-way flight from Missouri 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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Price to beat on a round-trip flight from Missouri to Denver Intl.
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Price to beat on a one-way flight from Missouri to Denver Intl.
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Find flight deals from Missouri to Denver

Cheapest flights from Missouri to Denver
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 July 3, 2025.

This Priceline deal was found by Cheapflights users on 7/2. 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.
Thu 8/142:36 pmSTL - DEN
1 stop7h 41mFrontier
Sat 8/236:00 amDEN - STL
Nonstop2h 11mFrontier
Deal found 7/2$121
This Frontier deal was found by Cheapflights users on 7/2. 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 7/78:01 pmMCI - DEN
Nonstop2h 10mFrontier
Wed 7/163:40 pmDEN - MCI
Nonstop1h 43mFrontier
Deal found 7/2$124
This Southwest deal was found by Cheapflights users on 7/1. 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.
Sat 8/165:50 pmSTL - DEN
Nonstop2h 20mSouthwest
Mon 8/187:45 amDEN - STL
Nonstop2h 05mSouthwest
Deal found 7/1$157
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 8/66:00 amMCI - DEN
Nonstop1h 50mUnited Airlines
Thu 8/78:47 pmDEN - MCI
Nonstop1h 44mUnited Airlines
Deal found 7/2$166
This Southwest deal was found by Cheapflights users on 7/3. 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.
Wed 8/138:45 amMCI - DEN
Nonstop1h 45mSouthwest
Wed 8/203:55 pmDEN - MCI
Nonstop1h 35mSouthwest
Deal found 7/3$173
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Tue 8/127:00 amMCI - DEN
1 stop7h 55mAmerican Airlines
Wed 8/202:05 pmDEN - MCI
1 stop5h 43mAmerican Airlines
Deal found 7/2$191
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Fri 10/179:01 amCOU - DEN
Nonstop2h 19mUnited Airlines
Mon 10/205:24 pmDEN - COU
Nonstop2h 01mUnited Airlines
Deal found 7/1$199
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 8/155:45 amSGF - DEN
Nonstop2h 14mUnited Airlines
Mon 8/188:39 pmDEN - SGF
Nonstop2h 05mUnited Airlines
Deal found 7/2$209
This Delta deal was found by Cheapflights users on 7/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/253:57 pmSGF - DEN
1 stop9h 23mDelta
Fri 8/16:00 amDEN - SGF
1 stop8h 12mDelta
Deal found 7/3$229
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Fri 10/106:23 pmJLN - DEN
Nonstop2h 01mUnited Airlines
Tue 10/142:25 pmDEN - JLN
Nonstop1h 49mUnited Airlines
Deal found 7/3$241
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Fri 8/17:34 pmSGF - DEN
1 stop5h 10mAmerican Airlines
Mon 8/185:06 pmDEN - SGF
1 stop4h 29mAmerican Airlines
Deal found 7/3$269
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Fri 10/177:52 pmCOU - DEN
1 stop14h 15mAmerican Airlines
Tue 10/215:27 pmDEN - COU
1 stop16h 40mAmerican Airlines
Deal found 7/1$337

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 July 3, 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 8/14

2:36 pm-9:17 pm

1 stop7h 41m

Denver Intl

Sat 8/23

6:00 am-9:11 am

Nonstop2h 11m

$121

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Fri 9/19

2:55 pm-3:57 pm

Nonstop2h 02m

Denver Intl

Sun 9/21

11:03 am-1:48 pm

Nonstop1h 45m

$124

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 8/16

5:45 am-7:00 am

Nonstop2h 15m

Denver Intl

Mon 8/18

7:45 am-10:50 am

Nonstop2h 05m

$157

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Wed 8/6

6:00 am-6:50 am

Nonstop1h 50m

Denver Intl

Thu 8/7

8:47 pm-11:31 pm

Nonstop1h 44m

$166

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Wed 8/13

8:45 am-9:30 am

Nonstop1h 45m

Denver Intl

Wed 8/20

3:55 pm-6:30 pm

Nonstop1h 35m

$173

Kansas CityDenver

MCI - DEN

MCIDEN

Kansas City

Tue 8/12

5:39 am-11:24 am

1 stop6h 45m

Denver Intl

Wed 8/20

7:22 am-2:45 pm

1 stop6h 23m

$189

SpringfieldDenver

SGF - DEN

SGFDEN

Springfield-Branson

Fri 8/15

5:45 am-6:59 am

Nonstop2h 14m

Denver Intl

Mon 8/18

8:39 pm-11:44 pm

Nonstop2h 05m

$209

SpringfieldDenver

SGF - DEN

SGFDEN

Springfield-Branson

Fri 7/25

3:57 pm-12:20 am

1 stop9h 23m

Denver Intl

Fri 8/1

6:00 am-3:12 pm

1 stop8h 12m

$229

SpringfieldDenver

SGF - DEN

SGFDEN

Springfield-Branson

Fri 8/1

7:34 pm-11:44 pm

1 stop5h 10m

Denver Intl

Mon 8/18

5:06 pm-10:35 pm

1 stop4h 29m

$269

ColumbiaDenver

COU - DEN

COUDEN

Columbia Regional

Fri 9/26

2:52 pm-10:00 pm

1 stop8h 08m

Denver Intl

Mon 9/29

5:24 pm-8:25 pm

Nonstop2h 01m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 34 results
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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, October is the cheapest month in which you can book a flight from Missouri to Denver (average of $197). Flying from Missouri 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 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 July 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Denver as you normally would.

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 July 3, 2025.

The most flights from USMO to DEN are scheduled on a Thursday (18 on average). You will have fewer flight options on Friday, 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 July 3, 2025.
Read through reviews of airlines operating flights from Missouri to Denver, such as Southwest, Delta, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Allegiant Air
7.3
Good
708 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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.

  • What airport do you fly into for flights to Denver from Missouri?

    Denver Intl (DEN), located 18.5 mi from the city center, is the airport you fly into when you book flights from Missouri to Denver.

  • How popular is this Missouri to Denver flight route?

    Flights from Missouri to Denver Intl have been viewed 191 times in the past calendar month.

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

    One-way options have recently been found by users for as low as $86 on Frontier. Other airlines that offer cheap prices include United Airlines from $86 and American Airlines from $94 one-way.

  • What are the most popular routes from Missouri to Denver?

    The most popular flight routes from Missouri to Denver are Lambert-St Louis - Denver Intl, Kansas City - Denver Intl and Springfield-Branson - Denver Intl.

  • What are the most reliable airlines from Missouri 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 Missouri to Denver on time: SkyWest Airlines (96%), United Airlines (74%), Air Canada (71%).

  • What are the cheapest flights from Missouri to Denver?

    Looking at all options, your cheapest flight can be booked for $79. While the most popular route (Lambert-St Louis - Denver Intl) can be booked for $144 on average our data indicates $1,152 when flying from Missouri to Denver.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Missouri to Denver (average of $197). Flying from Missouri 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 Missouri?

Book flights to Missouri 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

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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.
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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$37Average$108FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$120Average$309FlexibilityNo cancel feeOn-time69%
DeltaCheapest$128Average$254FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$149Average$270FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$198Average$329FlexibilityNo cancel feeOn-time71%

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