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Cheap flights from Colorado to Chicago from $84

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Chicago departing on 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:59 am - 10:51 am
DEN
-
ORD
8h 52m
1 stop
Frontier Logo
8:05 am - 8:20 am
ORD
-
DEN
25h 15m
1 stop
$127Frontier
Tue, Feb 24 - Sat, Feb 28
Frontier Logo
7:35 pm - 11:14 pm
DEN
-
ORD
2h 39mnonstop
Frontier Logo
10:53 am - 12:52 pm
ORD
-
DEN
2h 59mnonstop
$131Frontier
Thu, Mar 5 - Thu, Mar 12
Multiple Airlines Logo
12:52 pm - 6:47 am
GJT
-
ORD
16h 55m
1 stop
Multiple Airlines Logo
9:18 pm - 12:07 pm
ORD
-
GJT
15h 49m
1 stop
$221Multiple Airlines
Tue, Apr 14 - Wed, Apr 15
American Airlines Logo
4:43 pm - 12:55 am
DRO
-
ORD
7h 12m
1 stop
American Airlines Logo
5:00 am - 11:47 am
ORD
-
DRO
7h 47m
1 stop
$228American Airlines
Thu, Feb 19 - Mon, Feb 23
American Airlines Logo
12:30 pm - 4:10 pm
COS
-
ORD
2h 40mnonstop
American Airlines Logo
10:00 am - 12:00 pm
ORD
-
COS
3h 00mnonstop
$229American Airlines
Fri, Feb 27 - Tue, Mar 3
Alaska Airlines Logo
5:36 pm - 2:58 pm
EGE
-
ORD
20h 22m
1 stop
Alaska Airlines Logo
7:40 am - 4:56 pm
ORD
-
EGE
10h 16m
1 stop
$233Alaska Airlines
Mon, Mar 9 - Wed, Mar 11
United Airlines Logo
3:40 pm - 10:52 pm
COS
-
ORD
6h 12m
1 stop
United Airlines Logo
8:45 am - 10:55 am
ORD
-
COS
3h 10mnonstop
$239United Airlines
Fri, Feb 27 - Tue, Mar 3
United Airlines Logo
8:00 am - 12:00 pm
EGE
-
ORD
3h 00mnonstop
United Airlines Logo
7:40 pm - 9:47 pm
ORD
-
EGE
3h 07mnonstop
$241United Airlines
Thu, Mar 19 - Sun, Mar 22
Multiple Airlines Logo
12:52 pm - 11:27 am
GJT
-
ORD
21h 35m
2 stops
Multiple Airlines Logo
9:18 pm - 12:07 pm
ORD
-
GJT
15h 49m
1 stop
$250Multiple Airlines
Tue, Apr 14 - Wed, Apr 15
Alaska Airlines Logo
5:36 pm - 1:11 pm
EGE
-
ORD
18h 35m
2 stops
Alaska Airlines Logo
7:40 am - 4:56 pm
ORD
-
EGE
10h 16m
1 stop
$329Alaska Airlines
Mon, Mar 9 - Wed, Mar 11

Frontier flights from Colorado to Chicago O'Hare Intl Airport

Our best Frontier deals on Colorado to Chicago O'Hare Intl Airport flight tickets
Frontier
Feb 24
DEN12:59 amDenver Intl
8h 52m
1 stop
ORD10:51 amChicago O'Hare Intl
Feb 28
ORD8:05 amChicago O'Hare Intl
25h 15m
1 stop
DEN8:20 amDenver Intl
$127
Frontier
Mar 5
DEN7:35 pmDenver Intl
2h 39m
ORD11:14 pmChicago O'Hare Intl
Mar 12
ORD10:53 amChicago O'Hare Intl
2h 59m
DEN12:52 pmDenver Intl
$131
Frontier
Mar 5
DEN7:35 pmDenver Intl
2h 39m
ORD11:14 pmChicago O'Hare Intl
Mar 11
ORD7:39 pmChicago O'Hare Intl
15h 05m
1 stop
DEN9:44 amDenver Intl
$133

American Airlines flights from Colorado to Chicago O'Hare Intl Airport

Our best American Airlines deals on Colorado to Chicago O'Hare Intl Airport flight tickets
American Airlines
Feb 19
DRO4:43 pmDurango La Plata County
7h 12m
1 stop
ORD12:55 amChicago O'Hare Intl
Feb 23
ORD5:00 amChicago O'Hare Intl
7h 47m
1 stop
DRO11:47 amDurango La Plata County
$228
American Airlines
Feb 27
COS12:30 pmColorado Springs
2h 40m
ORD4:10 pmChicago O'Hare Intl
Mar 3
ORD10:00 amChicago O'Hare Intl
3h 00m
COS12:00 pmColorado Springs
$229
American Airlines
Feb 20
GJT4:46 pmGrand Junction Regnl
5h 50m
1 stop
ORD11:36 pmChicago O'Hare Intl
Feb 23
ORD5:00 amChicago O'Hare Intl
6h 05m
1 stop
GJT10:05 amGrand Junction Regnl
$239

momondo Fare Finder

 
Customize your flight search to find flights from Colorado to Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated February 7, 2026.
Use the filters below to find and compare flights from Colorado to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverChicago

DEN - ORD

DENORD

Denver Intl

Tue 2/24

12:59 am-10:51 am

1 stop8h 52m

Chicago O'Hare Intl

Sat 2/28

8:05 am-8:20 am

1 stop25h 15m

$127

DenverChicago

DEN - ORD

DENORD

Denver Intl

Thu 3/5

7:35 pm-11:14 pm

Nonstop2h 39m

Chicago O'Hare Intl

Thu 3/12

10:53 am-12:52 pm

Nonstop2h 59m

$131

Grand JunctionChicago

GJT - ORD

GJTORD

Grand Junction Regnl

Tue 4/14

12:52 pm-6:47 am

1 stop16h 55m

Chicago O'Hare Intl

Wed 4/15

9:18 pm-12:07 pm

1 stop15h 49m

$221

DurangoChicago

DRO - ORD

DROORD

Durango La Plata County

Thu 2/19

4:43 pm-12:55 am

1 stop7h 12m

Chicago O'Hare Intl

Mon 2/23

5:00 am-11:47 am

1 stop7h 47m

$228

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

Fri 2/27

12:30 pm-4:10 pm

Nonstop2h 40m

Chicago O'Hare Intl

Tue 3/3

10:00 am-12:00 pm

Nonstop3h 00m

$229

VailChicago

EGE - ORD

EGEORD

Vail Eagle County

Mon 3/9

5:36 pm-2:58 pm

1 stop20h 22m

Chicago O'Hare Intl

Wed 3/11

7:40 am-4:56 pm

1 stop10h 16m

$233

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

Fri 2/27

3:40 pm-10:52 pm

1 stop6h 12m

Chicago O'Hare Intl

Tue 3/3

8:45 am-10:55 am

Nonstop3h 10m

$239

VailChicago

EGE - ORD

EGEORD

Vail Eagle County

Thu 3/19

8:00 am-12:00 pm

Nonstop3h 00m

Chicago O'Hare Intl

Sun 3/22

7:40 pm-9:47 pm

Nonstop3h 07m

$241

Grand JunctionChicago

GJT - ORD

GJTORD

Grand Junction Regnl

Tue 4/14

12:52 pm-11:27 am

2 stops21h 35m

Chicago O'Hare Intl

Wed 4/15

9:18 pm-12:07 pm

1 stop15h 49m

$250

VailChicago

EGE - ORD

EGEORD

Vail Eagle County

Mon 3/9

5:36 pm-1:11 pm

2 stops18h 35m

Chicago O'Hare Intl

Wed 3/11

7:40 am-4:56 pm

1 stop10h 16m

$329

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Colorado to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of August is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Colorado averaging around $217.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $312. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Colorado because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $576.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Colorado in the evening is the least expensive time of day to depart. momondo users have found prices as low as $207 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $654. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Colorado to Chicago O'Hare Intl flight route?

Fly from Denver Intl to Chicago O'Hare Intl for the best Colorado - Chicago O'Hare Intl flight prices

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $245 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Colorado for as low as $193 on momondo.

What cabin class options are available on Colorado to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on Colorado to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Colorado to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Colorado to Chicago O'Hare Intl Airport.

Cheap Colorado to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Chicago O'Hare Intl Airport

Best Price Found

$132

Fastest flight time

2h 25m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Colorado in the past 72 hours is $132. The best round-trip flight deal from Colorado to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $235.
The fastest flight from Colorado to Chicago O'Hare Intl Airport takes 2h 25m
Direct flights go from Colorado to Chicago O'Hare Intl Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Colorado to Chicago O'Hare Intl Airport?

    Prices for flights from Colorado to Chicago O'Hare Intl Airport refresh daily.

  • How many operators does momondo search for flights from Colorado to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Colorado to Chicago O'Hare Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Colorado to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Colorado to Chicago O'Hare Intl Airport?

Best airlines flying from Colorado to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Colorado to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $61Free CancellationRating
5.7
3,054 reviews
Search Frontier flights
JetBluePriceFrom $126Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights
SouthwestPriceFrom $155Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
American AirlinesPriceFrom $157Free CancellationRating
7.2
11,247 reviews
Search American Airlines flights
United AirlinesPriceFrom $157Free CancellationRating
7.4
9,245 reviews
Search United Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Naperville
Rosemont
New Buffalo
Kenosha
Joliet
Oak Brook
Orland Park
Racine
Hammond
Janesville
Tinley Park
Elgin
Aurora
South Holland

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Chicago?

It is quick and easy to find Colorado to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

Can I find flights from Colorado to Chicago with flexible booking policies on momondo?

All flight searches from Colorado to Chicago on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Colorado to Chicago?

momondo helps you find the best flight between Colorado and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Colorado to Chicago right now. Can momondo alert me if prices change?

Price alerts on flights to Chicago from Colorado are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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