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$42+ Cheap flights from Colorado to Chicago (CHI)

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — CHI
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Colorado to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Colorado (USCO) to Chicago (CHI). 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 November 20, 2024.

Find flight deals from Colorado to Chicago

Cheapest flights from Colorado to Chicago
Explore the most affordable flight options available from Colorado to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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.
Thu 12/1210:26 amDEN - ORD
Nonstop2h 34mFrontier
Mon 12/167:25 amORD - DEN
Nonstop3h 01mFrontier
Deal found 11/19$77
This Cheapflightsfares deal was found by Cheapflights users on 11/18. 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.
Mon 12/98:55 pmDEN - MDW
Nonstop2h 18mFrontier
Thu 12/127:15 amMDW - DEN
Nonstop2h 50mFrontier
Deal found 11/18$77
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/118:50 pmDEN - ORD
Nonstop2h 32mUnited Airlines
Wed 12/187:10 amORD - DEN
Nonstop2h 50mUnited Airlines
Deal found 11/19$169
This Southwest deal was found by Cheapflights users on 11/19. 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 12/146:20 amDEN - ORD
Nonstop2h 40mSouthwest
Wed 12/187:00 amORD - DEN
Nonstop2h 45mSouthwest
Deal found 11/19$170
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/2412:33 pmDEN - ORD
Nonstop2h 32mAmerican Airlines
Wed 1/88:42 amORD - DEN
Nonstop2h 52mAmerican Airlines
Deal found 11/19$172
This eDestinos deal was found by Cheapflights users on 11/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/38:55 pmDEN - ORD
1 stop19h 45mMultiple Airlines
Tue 12/107:33 amORD - DEN
1 stop24h 53mMultiple Airlines
Deal found 11/19$179
This Southwest deal was found by Cheapflights users on 11/19. 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 12/146:05 amDEN - MDW
Nonstop2h 30mSouthwest
Wed 12/188:20 amMDW - DEN
Nonstop2h 45mSouthwest
Deal found 11/19$179
This Sun Country Air deal was found by Cheapflights users on 11/20. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1912:18 pmDEN - ORD
1 stop6h 27mSun Country Air
Tue 12/2410:00 amORD - DEN
1 stop8h 17mSun Country Air
Deal found 11/20$205
This Delta deal was found by Cheapflights users on 11/20. 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.
Wed 12/1112:50 amDEN - ORD
1 stop5h 56mDelta
Mon 12/163:35 pmORD - DEN
1 stop5h 25mDelta
Deal found 11/20$216
This Delta deal was found by Cheapflights users on 11/20. 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.
Wed 12/1112:50 amDEN - MDW
1 stop7h 08mDelta
Mon 12/169:38 amMDW - DEN
1 stop4h 39mDelta
Deal found 11/20$216
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/177:15 amCOS - ORD
1 stop4h 57mUnited Airlines
Thu 12/197:10 amORD - COS
1 stop4h 39mUnited Airlines
Deal found 11/19$274
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Wed 12/184:41 pmCOS - ORD
1 stop6h 18mAmerican Airlines
Thu 12/195:00 amORD - COS
1 stop6h 12mAmerican Airlines
Deal found 11/19$311

Find flights from Colorado to Chicago within your budget

Customize your flight search to find flights from Colorado to Chicago 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverChicago

DEN - ORD

DENORD

Denver Intl

Fri 1/10

8:59 pm-12:35 am

Nonstop2h 36m

Chicago O'Hare Intl

Sun 1/12

7:25 am-9:26 am

Nonstop3h 01m

$76

DenverChicago

DEN - MDW

DENMDW

Denver Intl

Fri 1/10

8:55 pm-12:13 am

Nonstop2h 18m

Chicago Midway

Sun 1/12

7:15 am-9:05 am

Nonstop2h 50m

$76

DenverChicago

DEN - ORD

DENORD

Denver Intl

Wed 12/11

8:50 pm-12:22 am

Nonstop2h 32m

Chicago O'Hare Intl

Wed 12/18

7:10 am-9:00 am

Nonstop2h 50m

$169

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sat 12/14

6:20 am-10:00 am

Nonstop2h 40m

Chicago O'Hare Intl

Wed 12/18

7:00 am-8:45 am

Nonstop2h 45m

$170

DenverChicago

DEN - ORD

DENORD

Denver Intl

Tue 12/24

12:33 pm-4:05 pm

Nonstop2h 32m

Chicago O'Hare Intl

Wed 1/8

8:42 am-10:34 am

Nonstop2h 52m

$172

DenverChicago

DEN - ORD

DENORD

Denver Intl

Tue 12/3

8:55 pm-5:40 pm

1 stop19h 45m

Chicago O'Hare Intl

Tue 12/10

7:33 am-7:26 am

1 stop24h 53m

$179

DenverChicago

DEN - MDW

DENMDW

Denver Intl

Sat 12/21

9:20 pm-12:35 am

Nonstop2h 15m

Chicago Midway

Tue 12/24

8:35 pm-10:20 pm

Nonstop2h 45m

$198

DenverChicago

DEN - ORD

DENORD

Denver Intl

Wed 12/11

12:50 am-7:46 am

1 stop5h 56m

Chicago O'Hare Intl

Mon 12/16

5:20 pm-9:52 pm

1 stop5h 32m

$216

DenverChicago

DEN - MDW

DENMDW

Denver Intl

Wed 12/11

12:50 am-8:58 am

1 stop7h 08m

Chicago Midway

Mon 12/16

9:38 am-1:17 pm

1 stop4h 39m

$216

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

Tue 12/17

7:15 am-1:12 pm

1 stop4h 57m

Chicago O'Hare Intl

Thu 12/19

7:10 am-10:49 am

1 stop4h 39m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

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

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

Travel insights for flights from Colorado to Chicago

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

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

Currently, September is the cheapest month in which you can book a flight from Colorado to Chicago (average of $232). Flying from Colorado to Chicago in June is currently the most expensive (average of $308). 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 CHI?

Find hourly flight availability from Colorado to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

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

Weekly flight availability from Colorado to Chicago

Explore weekly flight availability from Colorado to Chicago. 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 November 20, 2024.

The most flights from USCO to CHI are scheduled on a Monday (55 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).

Rainfall in Chicago by month

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

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

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

If weather is an important factor for your trip to Chicago, 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 23.0 F).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated November 20, 2024.
Read through reviews of airlines operating flights from Colorado to Chicago, such as Frontier, Southwest and American Airlines. 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
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Colorado to Chicago. 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 Colorado to Chicago one-way?

    One-way options have recently been found by users for as low as $43 on Frontier. Other airlines that offer cheap prices include Southwest from $85 and American Airlines from $95 one-way.

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

    The most popular route from Colorado to Chicago is Denver Intl - Chicago O'Hare Intl. You may also consider Denver Intl - Chicago Midway or Colorado Springs - Chicago O'Hare Intl.

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

    Consider Japan Airlines (94%), Cathay Pacific (93%) or Brussels Airlines (92%) when booking your flight. These represent the most reliable airlines when flying from Colorado to Chicago.

  • What are the cheapest flights from Colorado to Chicago?

    The cheapest flight price from Colorado to Chicago is $39. On average you can expect to pay $1,113. The most popular route, (Denver Intl - Chicago O'Hare Intl), can usually be booked for $121.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Colorado to Chicago (average of $232). Flying from Colorado to Chicago in June is currently the most expensive (average of $308). 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 Colorado to Chicago

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

Discover the top 5 airlines that operate flights from Colorado to Chicago. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$38Average$128FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$139Average$413FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$140Average$318FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$144Average$445FlexibilityNo cancel feeOn-time69%
DeltaCheapest$189Average$472FlexibilityNo cancel feeOn-timeN/A
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