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$49+ Cheap flights from Colorado 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — DEN
nov. 15 — nov. 221
sáb. 11/15
sáb. 11/22
1 adult, Economy
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Find flight deals from Colorado to Denver

Cheapest flights from Colorado to Denver
Explore the most affordable flight options available from Colorado to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 16, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/126:20 pmCOS - DEN
Nonstop1h 10mUnited Airlines
mié. 11/1911:05 pmDEN - COS
Nonstop0h 54mUnited Airlines
Deal found 10/15$97
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/46:00 amCOS - DEN
Nonstop0h 59mUnited Airlines
mar. 11/41:40 pmDEN - COS
Nonstop0h 49mUnited Airlines
Deal found 10/14$109
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/265:15 amDRO - DEN
Nonstop1h 42mUnited Airlines
sáb. 11/298:15 amDEN - DRO
Nonstop1h 20mUnited Airlines
Deal found 10/16$129
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/61:30 pmMTJ - DEN
Nonstop1h 20mUnited Airlines
dom. 11/911:30 amDEN - MTJ
Nonstop0h 59mUnited Airlines
Deal found 10/16$139
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/227:00 amGJT - DEN
Nonstop1h 14mUnited Airlines
vie. 11/289:35 amDEN - GJT
Nonstop1h 09mUnited Airlines
Deal found 10/16$139
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/136:00 amCOS - DEN
Nonstop0h 59mUnited Airlines
sáb. 11/1511:15 amDEN - COS
Nonstop0h 58mUnited Airlines
Deal found 10/16$149
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/231:36 pmDRO - DEN
Nonstop1h 19mUnited Airlines
dom. 10/2611:27 amDEN - DRO
Nonstop1h 09mUnited Airlines
Deal found 10/16$149
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/307:00 amGJT - DEN
Nonstop1h 14mUnited Airlines
dom. 11/21:35 pmDEN - GJT
Nonstop1h 09mUnited Airlines
Deal found 10/16$149
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/231:45 pmMTJ - DEN
Nonstop1h 11mUnited Airlines
jue. 10/307:20 pmDEN - MTJ
Nonstop1h 00mUnited Airlines
Deal found 10/16$154
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/612:54 pmCOS - DEN
Nonstop1h 02mUnited Airlines
lun. 11/101:40 pmDEN - COS
Nonstop0h 49mUnited Airlines
Deal found 10/15$157
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/251:45 pmMTJ - DEN
Nonstop1h 11mUnited Airlines
dom. 10/2611:30 amDEN - MTJ
Nonstop0h 59mUnited Airlines
Deal found 10/16$159
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/253:18 pmGJT - DEN
Nonstop1h 22mUnited Airlines
dom. 10/261:35 pmDEN - GJT
Nonstop1h 09mUnited Airlines
Deal found 10/16$159

Cheap flight deals from Colorado to Denver

Keep the following information in mind while searching for Colorado to Denver flight deals. Data was last updated octubre 16, 2025.

Round-trip from

$97
(United Airlines)

One-way from

$49
(United Airlines)

Good round-trip deal

$216 or less

Good one-way deal

$114 or less
From Colorado to Denver Intl
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One-way flight from Colorado to Denver Intl
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Price to beat on a round-trip flight from Colorado to Denver Intl.
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Price to beat on a one-way flight from Colorado to Denver Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado 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 octubre 16, 2025.
Use the filters below to find and compare flights from Colorado to Denver that are best for you.

Fly from

Colorado

Fly to

Denver

Route

Depart

Return

Price

Colorado SpringsDenver

COS - DEN

COSDEN

Colorado Springs

mié. 11/12

6:00 am-6:59 am

Nonstop0h 59m

Denver Intl

jue. 11/13

9:10 pm-9:59 pm

Nonstop0h 49m

$97

Colorado SpringsDenver

COS - DEN

COSDEN

Colorado Springs

mar. 11/4

6:00 am-6:59 am

Nonstop0h 59m

Denver Intl

mar. 11/4

1:40 pm-2:29 pm

Nonstop0h 49m

$109

DurangoDenver

DRO - DEN

DRODEN

Durango La Plata County

dom. 12/21

11:42 am-1:13 pm

Nonstop1h 31m

Denver Intl

mar. 12/30

7:50 pm-9:04 pm

Nonstop1h 14m

$129

DurangoDenver

DRO - DEN

DRODEN

Durango La Plata County

mié. 11/26

5:15 am-6:57 am

Nonstop1h 42m

Denver Intl

vie. 11/28

11:27 am-12:36 pm

Nonstop1h 09m

$129

DurangoDenver

DRO - DEN

DRODEN

Durango La Plata County

mié. 12/3

1:39 pm-2:55 pm

Nonstop1h 16m

Denver Intl

sáb. 12/6

8:53 pm-10:14 pm

Nonstop1h 21m

$129

MontroseDenver

MTJ - DEN

MTJDEN

Montrose County

jue. 11/6

1:30 pm-2:50 pm

Nonstop1h 20m

Denver Intl

dom. 11/9

11:30 am-12:29 pm

Nonstop0h 59m

$139

Grand JunctionDenver

GJT - DEN

GJTDEN

Grand Junction Regnl

sáb. 11/22

7:00 am-8:14 am

Nonstop1h 14m

Denver Intl

vie. 11/28

9:35 am-10:44 am

Nonstop1h 09m

$139

Grand JunctionDenver

GJT - DEN

GJTDEN

Grand Junction Regnl

jue. 12/4

6:14 pm-7:38 pm

Nonstop1h 24m

Denver Intl

sáb. 12/6

8:30 am-9:41 am

Nonstop1h 11m

$139

Grand JunctionDenver

GJT - DEN

GJTDEN

Grand Junction Regnl

vie. 10/31

1:35 pm-2:49 pm

Nonstop1h 14m

Denver Intl

mar. 11/4

11:30 am-12:32 pm

Nonstop1h 02m

$149

Grand JunctionDenver

GJT - DEN

GJTDEN

Grand Junction Regnl

jue. 10/30

7:00 am-8:14 am

Nonstop1h 14m

Denver Intl

dom. 11/2

1:35 pm-2:44 pm

Nonstop1h 09m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 60 results
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Best time to book a flight from Colorado to Denver

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

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

Currently, January is the cheapest month in which you can book a flight from Colorado to Denver (average of $38). Flying from Colorado to Denver in November is currently the most expensive (average of $189). 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 CO to DEN?

Find hourly flight availability from Colorado 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 octubre 16, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 16% on flights from Colorado to Denver by exploring options for tickets in the evening.

Weekly flight availability from Colorado to Denver

Explore weekly flight availability from Colorado 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 octubre 16, 2025.

The most flights from USCO to DEN are scheduled on a Wednesday (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 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 octubre 16, 2025.
Read through reviews of airlines operating flights from Colorado to Denver, such as Denver Air Connection, Southwest, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Denver Air Connection
8.7
Very good

Crew

9.4

Boarding

8.7

Entertainment

8.1

Overall

8.7

Food

8.4

Comfort

8.9
Denver Air Connection
8.7
Very good
Denver Air Connection
8.7
Very good

Crew

9.4

Boarding

8.7

Entertainment

8.1

Overall

8.7

Food

8.4

Comfort

8.9
Southwest
8.0
Very good
4,240 reviews
Denver Air Connection
8.7
Very good

Crew

9.4

Boarding

8.7

Entertainment

8.1

Overall

8.7

Food

8.4

Comfort

8.9
United Airlines
7.4
Good
8,982 reviews
Denver Air Connection
8.7
Very good

Crew

9.4

Boarding

8.7

Entertainment

8.1

Overall

8.7

Food

8.4

Comfort

8.9
Southern / Mokulele
6.2
Okay
26 reviews
Denver Air Connection
8.7
Very good

Crew

9.4

Boarding

8.7

Entertainment

8.1

Overall

8.7

Food

8.4

Comfort

8.9
Frontier
5.8
Fair
3,137 reviews
Denver Air Connection
8.7
Very good

Crew

9.4

Boarding

8.7

Entertainment

8.1

Overall

8.7

Food

8.4

Comfort

8.9

Related info for your journey

Find useful and relevant information for your journey from Colorado 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 Colorado?

    For a flight from Colorado to Denver, you will be flying into Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city.

  • How long is the flight from Colorado to Denver?

    Airlines like United Airlines, Denver Air Connection, and Southwest fly from Colorado to Denver in about 50m. The time it takes to get you to your destination is usually consistent. The distance from Colorado to Denver is about 73 mi. Most flights are nonstop.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $49. However, be on the lookout for offers from Southwest and Denver Air Connection, as they are both options that can get you from Colorado to Denver for a low price.

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

    Most travelers choose Grand Junction Regnl - Denver Intl, Alamosa - Denver Intl or Durango La Plata County - Denver Intl when deciding on the best route from Colorado to Denver.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Colorado to Denver (average of $38). Flying from Colorado to Denver in November is currently the most expensive (average of $189). 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Black 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

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Alternative routes for Colorado to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Colorado to Denver

Discover the top 4 airlines that operate flights from Colorado 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 octubre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$40FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$97Average$274FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$137Average$319FlexibilityNo cancel feeOn-time69%
Denver Air ConnectionCheapest$287Average$310FlexibilityNo cancel feeOn-timeN/A

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