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$76+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — DEN
jul. 1 — jul. 81
mar. 7/1
mar. 7/8
1 adult, Economy
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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 junio 26, 2025.

Round-trip from

$97
(Southwest)

One-way from

$76
(Southwest)

Good round-trip deal

$199 or less

Good one-way deal

$89 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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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 junio 26, 2025.

This Southwest deal was found by Cheapflights users on 6/25. 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.
lun. 8/116:00 amCOS - DEN
Nonstop0h 50mSouthwest
mar. 8/264:15 pmDEN - COS
Nonstop0h 45mSouthwest
Deal found 6/25$97
This United Airlines deal was found by Cheapflights users on 6/23. 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. 7/227:05 amDRO - DEN
Nonstop1h 21mUnited Airlines
mar. 7/297:24 pmDEN - DRO
Nonstop1h 15mUnited Airlines
Deal found 6/23$169
This KAYAK deal was found by Cheapflights users on 6/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/268:00 amALS - DEN
Nonstop0h 55mDenver Air Connection
sáb. 8/22:10 pmDEN - ALS
Nonstop0h 50mDenver Air Connection
Deal found 6/26$189
This Priceline deal was found by Cheapflights users on 6/24. 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.
vie. 7/2511:55 amCEZ - DEN
Nonstop1h 30mDenver Air Connection
lun. 7/283:10 pmDEN - CEZ
Nonstop1h 35mDenver Air Connection
Deal found 6/24$218
This Southwest deal was found by Cheapflights users on 6/26. 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.
jue. 8/711:45 amMTJ - DEN
Nonstop1h 05mSouthwest
lun. 8/1110:05 amDEN - MTJ
Nonstop1h 05mSouthwest
Deal found 6/26$229
This Trip.com deal was found by Cheapflights users on 6/24. 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.
jue. 7/176:15 pmASE - DEN
Nonstop1h 09mUnited Airlines
dom. 7/207:45 amDEN - ASE
Nonstop0h 57mUnited Airlines
Deal found 6/24$239
This Southwest deal was found by Cheapflights users on 6/24. 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.
mié. 7/2312:25 pmHDN - DEN
Nonstop1h 05mSouthwest
mié. 7/3011:00 amDEN - HDN
Nonstop0h 50mSouthwest
Deal found 6/24$239
This United Airlines deal was found by Cheapflights users on 6/24. 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. 7/175:55 pmGJT - DEN
Nonstop1h 23mUnited Airlines
mar. 7/227:25 pmDEN - GJT
Nonstop1h 05mUnited Airlines
Deal found 6/24$239
This United Airlines deal was found by Cheapflights users on 6/26. 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.
vie. 8/85:20 pmCOS - DEN
Nonstop1h 00mUnited Airlines
vie. 8/158:14 amDEN - COS
Nonstop0h 52mUnited Airlines
Deal found 6/26$247
This United Airlines deal was found by Cheapflights users on 6/23. 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. 7/227:15 amMTJ - DEN
Nonstop1h 13mUnited Airlines
mar. 7/2911:35 amDEN - MTJ
Nonstop1h 13mUnited Airlines
Deal found 6/23$250
This Delta deal was found by Cheapflights users on 6/24. 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.
jue. 7/176:00 amGJT - DEN
1 stop3h 24mDelta
mar. 7/226:10 pmDEN - GJT
1 stop4h 23mDelta
Deal found 6/24$259
This United Airlines deal was found by Cheapflights users on 6/25. 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. 7/293:30 pmHDN - DEN
Nonstop1h 10mUnited Airlines
mar. 7/297:05 pmDEN - HDN
Nonstop1h 05mUnited Airlines
Deal found 6/25$294

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 junio 26, 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

lun. 8/11

6:00 am-6:50 am

Nonstop0h 50m

Denver Intl

mar. 8/26

4:15 pm-5:00 pm

Nonstop0h 45m

$97

DurangoDenver

DRO - DEN

DRODEN

Durango La Plata County

mar. 7/22

7:05 am-8:26 am

Nonstop1h 21m

Denver Intl

mar. 7/29

7:24 pm-8:39 pm

Nonstop1h 15m

$169

AlamosaDenver

ALS - DEN

ALSDEN

Alamosa

sáb. 7/26

8:00 am-8:55 am

Nonstop0h 55m

Denver Intl

sáb. 8/2

2:10 pm-3:00 pm

Nonstop0h 50m

$189

CortezDenver

CEZ - DEN

CEZDEN

Cortez Montezuma County

vie. 7/25

11:55 am-1:25 pm

Nonstop1h 30m

Denver Intl

lun. 7/28

3:10 pm-4:45 pm

Nonstop1h 35m

$218

MontroseDenver

MTJ - DEN

MTJDEN

Montrose County

jue. 8/7

11:45 am-12:50 pm

Nonstop1h 05m

Denver Intl

lun. 8/11

10:05 am-11:10 am

Nonstop1h 05m

$229

AspenDenver

ASE - DEN

ASEDEN

Aspen Pitkin County

jue. 7/17

6:15 pm-7:24 pm

Nonstop1h 09m

Denver Intl

dom. 7/20

7:45 am-8:42 am

Nonstop0h 57m

$239

HaydenDenver

HDN - DEN

HDNDEN

Hayden Yampa Valley

mié. 7/23

12:25 pm-1:30 pm

Nonstop1h 05m

Denver Intl

mié. 7/30

11:00 am-11:50 am

Nonstop0h 50m

$239

Grand JunctionDenver

GJT - DEN

GJTDEN

Grand Junction Regnl

jue. 7/17

5:55 pm-7:18 pm

Nonstop1h 23m

Denver Intl

mar. 7/22

7:25 pm-8:30 pm

Nonstop1h 05m

$239

Colorado SpringsDenver

COS - DEN

COSDEN

Colorado Springs

vie. 8/8

5:20 pm-6:20 pm

Nonstop1h 00m

Denver Intl

vie. 8/15

8:14 am-9:06 am

Nonstop0h 52m

$247

MontroseDenver

MTJ - DEN

MTJDEN

Montrose County

mar. 7/22

7:15 am-8:28 am

Nonstop1h 13m

Denver Intl

mar. 7/29

11:35 am-12:48 pm

Nonstop1h 13m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/26

Showing 1-10 of 43 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, October is the cheapest month in which you can book a flight from Colorado to Denver (average of $197). Flying from Colorado 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 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 junio 26, 2025.

When flying from Colorado to Denver, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 junio 26, 2025.

The most flights from USCO to DEN are scheduled on a Thursday (29 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 junio 26, 2025.
Read through reviews of airlines operating flights from Colorado to Denver, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,838 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $76. However, be on the lookout for offers from United Airlines 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, Montrose County - 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, October is the cheapest month in which you can book a flight from Colorado to Denver (average of $197). Flying from Colorado 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 Colorado?

Book flights to Colorado 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
Central City
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Longmont
Idaho Springs
Greeley

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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 3 airlines flying from Colorado to Denver

Discover the top 3 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 junio 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$40FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$97Average$284FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$113Average$331FlexibilityNo cancel feeOn-time69%

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