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$50+ Cheap flights from Chicago (CHI) 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — DEN
Jan 21 — Jan 281
Tue 1/21
Tue 1/28
1 adult, Economy
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Cheap flight deals from Chicago to Colorado

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Colorado (USCO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 16, 2025.

Round-trip from

$79
(Frontier)

One-way from

$50
(Frontier)
From Chicago (CHI) to Colorado
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One-way flight from Chicago (CHI) to Colorado
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Find flight deals from Chicago to Colorado

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

This Kiwi.com deal was found by Cheapflights users on 1/15. 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 2/256:50 amORD - DEN
Nonstop3h 03mFrontier
Fri 2/289:08 pmDEN - ORD
Nonstop2h 36mFrontier
Deal found 1/15$80
This Mytrip deal was found by Cheapflights users on 1/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/16:40 amMDW - DEN
Nonstop2h 52mFrontier
Sat 3/88:55 pmDEN - MDW
Nonstop2h 22mFrontier
Deal found 1/14$80
This United Airlines deal was found by Cheapflights users on 1/15. 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.
Sat 2/87:10 amORD - DEN
Nonstop2h 50mUnited Airlines
Wed 2/127:10 pmDEN - ORD
Nonstop2h 32mUnited Airlines
Deal found 1/15$159
This Southwest deal was found by Cheapflights users on 1/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/15:35 amMDW - DEN
Nonstop2h 55mSouthwest
Mon 3/36:05 amDEN - MDW
Nonstop2h 30mSouthwest
Deal found 1/16$168
This American Airlines deal was found by Cheapflights users on 1/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/19:09 pmORD - DEN
Nonstop2h 47mAmerican Airlines
Mon 3/37:00 amDEN - ORD
Nonstop2h 43mAmerican Airlines
Deal found 1/15$169
This Southwest deal was found by Cheapflights users on 1/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/16:30 amORD - DEN
Nonstop2h 45mSouthwest
Mon 3/37:55 amDEN - ORD
Nonstop2h 35mSouthwest
Deal found 1/16$172
This Expedia deal was found by Cheapflights users on 1/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/151:40 pmORD - DEN
1 stop4h 00mMultiple Airlines
Wed 3/199:08 pmDEN - ORD
Nonstop2h 36mMultiple Airlines
Deal found 1/16$195
This Delta deal was found by Cheapflights users on 1/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/186:15 amORD - DEN
1 stop8h 06mDelta
Wed 2/266:00 amDEN - ORD
1 stop7h 10mDelta
Deal found 1/14$217
This Delta deal was found by Cheapflights users on 1/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/181:26 pmMDW - DEN
1 stop4h 37mDelta
Wed 2/196:15 amDEN - MDW
1 stop5h 50mDelta
Deal found 1/15$217
This United Airlines deal was found by Cheapflights users on 1/15. 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.
Tue 2/49:30 amORD - COS
Nonstop3h 04mUnited Airlines
Sat 2/88:53 amCOS - ORD
1 stop4h 57mUnited Airlines
Deal found 1/15$254
This American Airlines deal was found by Cheapflights users on 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/225:00 amORD - COS
1 stop5h 55mAmerican Airlines
Mon 2/244:50 pmCOS - ORD
1 stop6h 04mAmerican Airlines
Deal found 1/16$257
This Delta deal was found by Cheapflights users on 1/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/42:55 pmORD - COS
1 stop7h 10mDelta
Sat 2/86:00 amCOS - ORD
1 stop8h 43mDelta
Deal found 1/15$264

Find flights from Chicago to Colorado within your budget

Customize your flight search to find flights from Chicago 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 January 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Tue 2/25

6:50 am-8:53 am

Nonstop3h 03m

Denver Intl

Fri 2/28

9:08 pm-12:44 am

Nonstop2h 36m

$80

ChicagoDenver

MDW - DEN

MDWDEN

Chicago Midway

Sat 3/1

6:40 am-8:32 am

Nonstop2h 52m

Denver Intl

Sat 3/8

8:55 pm-12:17 am

Nonstop2h 22m

$80

ChicagoDenver

MDW - DEN

MDWDEN

Chicago Midway

Sat 3/1

9:15 pm-11:00 pm

Nonstop2h 45m

Denver Intl

Mon 3/3

6:05 am-9:35 am

Nonstop2h 30m

$168

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Sat 3/1

9:09 pm-10:56 pm

Nonstop2h 47m

Denver Intl

Mon 3/3

7:00 am-10:43 am

Nonstop2h 43m

$169

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Sat 3/1

6:30 am-8:15 am

Nonstop2h 45m

Denver Intl

Mon 3/3

7:55 am-11:30 am

Nonstop2h 35m

$172

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Tue 2/4

8:05 pm-9:58 pm

Nonstop2h 53m

Denver Intl

Sat 2/8

9:40 am-1:15 pm

Nonstop2h 35m

$194

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Fri 3/14

1:40 pm-4:40 pm

1 stop4h 00m

Denver Intl

Wed 3/19

9:08 pm-12:44 am

Nonstop2h 36m

$195

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Tue 2/18

12:15 pm-5:03 pm

1 stop5h 48m

Denver Intl

Wed 2/19

6:00 am-2:10 pm

1 stop7h 10m

$217

ChicagoDenver

MDW - DEN

MDWDEN

Chicago Midway

Tue 2/18

1:26 pm-5:03 pm

1 stop4h 37m

Denver Intl

Wed 2/19

6:15 am-1:05 pm

1 stop5h 50m

$217

ChicagoColorado Springs

ORD - COS

ORDCOS

Chicago O'Hare Intl

Sat 2/8

9:30 am-11:34 am

Nonstop3h 04m

Colorado Springs

Wed 2/12

12:54 pm-4:42 pm

Nonstop2h 48m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

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

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

Travel insights for flights from Chicago to Colorado

Get recent, data-driven insights about flights from Chicago to Colorado including ideal travel times, pricing trends, and more.

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

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

Find hourly flight availability from Chicago 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 January 16, 2025.

When flying from Chicago to Colorado, 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 Chicago to Colorado

Explore weekly flight availability from Chicago 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 January 16, 2025.

The most flights from CHI to USCO are scheduled on a Friday (50 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).

Rainfall in Colorado by month

Plan your trip to Colorado by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

Plan your trip to Colorado by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 January 16, 2025.
Read reviews from past customers who have flown American Airlines, Southwest and Delta from Chicago to Colorado. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,659 reviews

Overall

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Southwest
8.1
Very good
4,659 reviews
Southwest
8.1
Very good
4,659 reviews

Overall

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Alaska Airlines
8.0
Very good
9,681 reviews
Southwest
8.1
Very good
4,659 reviews

Overall

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Delta
8.0
Very good
8,511 reviews
Southwest
8.1
Very good
4,659 reviews

Overall

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

United Airlines
7.4
Good
8,965 reviews
Southwest
8.1
Very good
4,659 reviews

Overall

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Allegiant Air
7.4
Good
801 reviews
Southwest
8.1
Very good
4,659 reviews

Overall

8.1

Boarding

8.2

Food

7.2

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    $50 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and American Airlines, with prices starting from $70 and $75, respectively.

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

    The most popular flight routes from Chicago to Colorado are Chicago O'Hare Intl - Denver Intl, Chicago Midway - Denver Intl and Chicago O'Hare Intl - Vail Eagle County.

  • What are the most reliable airlines from Chicago to Colorado?

    Before booking your flight to Colorado from Chicago, check out the most reliable airlines to get you to your destination on time: Envoy Air (100%), Royal Jordanian (93%), Frontier( 90%).

  • What are the cheapest flights from Chicago to Colorado?

    Looking for the cheapest flight from Chicago to Colorado? While on average our users pay $645, our data indicates the cheapest price to be $74. The most popular route (Chicago O'Hare Intl - Denver Intl), is priced around $92.

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

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

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

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

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

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

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

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Alternative routes for Chicago to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Chicago to Colorado

Discover the top 5 airlines that operate flights from Chicago 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 January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$40Average$119FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$140Average$417FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$152Average$525FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$157Average$323FlexibilityNo cancel feeOn-time63%
DeltaCheapest$185Average$268FlexibilityNo cancel feeOn-timeN/A
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