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Cheap flights from Colorado to Chicago from $87

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 6/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:25 am - 10:01 am
DEN
-
ORD
2h 36mnonstop
Frontier Logo
6:05 am - 12:24 pm
ORD
-
DEN
7h 19m
1 stop
$181Frontier
Sat, Sep 19 - Thu, Sep 24
Frontier Logo
6:30 am - 7:53 pm
DEN
-
ORD
12h 23m
1 stop
Frontier Logo
9:57 pm - 11:57 pm
ORD
-
DEN
3h 00mnonstop
$182Frontier
Fri, Jul 10 - Mon, Jul 13
American Airlines Logo
12:36 pm - 4:30 pm
COS
-
ORD
2h 54mnonstop
American Airlines Logo
10:50 am - 12:45 pm
ORD
-
COS
2h 55mnonstop
$287American Airlines
Tue, Aug 11 - Tue, Aug 18
American Airlines Logo
5:06 pm - 12:42 am
DRO
-
ORD
6h 36m
1 stop
American Airlines Logo
5:00 am - 9:54 am
ORD
-
DRO
5h 54m
1 stop
$288American Airlines
Thu, May 21 - Mon, May 25
United Airlines Logo
12:13 pm - 3:59 pm
COS
-
ORD
2h 46mnonstop
United Airlines Logo
9:06 am - 11:10 am
ORD
-
COS
3h 04mnonstop
$291United Airlines
Tue, Jun 2 - Sat, Jun 6
United Airlines Logo
12:13 pm - 3:59 pm
COS
-
ORD
2h 46mnonstop
United Airlines Logo
5:00 am - 8:41 am
ORD
-
COS
4h 41m
1 stop
$297United Airlines
Tue, Jun 2 - Tue, Jun 9
Delta Logo
6:50 pm - 8:05 am
GJT
-
ORD
12h 15m
2 stops
Delta Logo
3:55 pm - 9:54 pm
ORD
-
GJT
6h 59m
2 stops
$309Delta
Wed, Jun 17 - Tue, Jun 23
Delta Logo
6:00 am - 2:05 pm
COS
-
ORD
7h 05m
1 stop
Delta Logo
2:12 pm - 10:56 pm
ORD
-
COS
9h 44m
2 stops
$312Delta
Tue, Aug 11 - Tue, Aug 18
Southwest Logo
9:00 am - 3:00 pm
HDN
-
ORD
5h 00m
1 stop
Southwest Logo
7:45 am - 7:50 pm
ORD
-
HDN
13h 05m
2 stops
$314Southwest
Tue, Jun 2 - Wed, Jun 3
Southwest Logo
9:00 am - 11:55 pm
HDN
-
ORD
13h 55m
2 stops
Southwest Logo
7:45 am - 7:50 pm
ORD
-
HDN
13h 05m
2 stops
$325Southwest
Tue, Jun 2 - Wed, Jun 3

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
Sep 19
DEN6:25 amDenver Intl
2h 36m
ORD10:01 amChicago O'Hare Intl
Sep 25
ORD1:22 pmChicago O'Hare Intl
10h 38m
1 stop
DEN11:00 pmDenver Intl
$181
Frontier
May 19
DEN4:54 pmDenver Intl
2h 38m
ORD8:32 pmChicago O'Hare Intl
Jun 2
ORD9:37 pmChicago O'Hare Intl
3h 07m
DEN11:44 pmDenver Intl
$182
Frontier
May 26
DEN4:54 pmDenver Intl
2h 38m
ORD8:32 pmChicago O'Hare Intl
Jun 1
ORD9:37 pmChicago O'Hare Intl
3h 07m
DEN11:44 pmDenver Intl
$183

Delta flights from Colorado to Chicago O'Hare Intl Airport

Our best Delta deals on Colorado to Chicago O'Hare Intl Airport flight tickets
Delta
Jun 17
GJT6:50 pmGrand Junction Regnl
12h 15m
2 stops
ORD8:05 amChicago O'Hare Intl
Jun 23
ORD3:55 pmChicago O'Hare Intl
6h 59m
2 stops
GJT9:54 pmGrand Junction Regnl
$309
Delta
Aug 11
COS6:00 amColorado Springs
7h 05m
1 stop
ORD2:05 pmChicago O'Hare Intl
Aug 18
ORD2:12 pmChicago O'Hare Intl
9h 44m
2 stops
COS10:56 pmColorado Springs
$312
Delta
Aug 25
COS6:00 amColorado Springs
7h 05m
1 stop
ORD2:05 pmChicago O'Hare Intl
Aug 29
ORD5:28 amChicago O'Hare Intl
13h 08m
2 stops
COS5:36 pmColorado Springs
$314

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 May 10, 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

Cheapest round-trip

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sat 9/19

6:25 am-10:01 am

Nonstop2h 36m

Chicago O'Hare Intl

Thu 9/24

6:05 am-12:24 pm

1 stop7h 19m

$181

DenverChicago

DEN - ORD

DENORD

Denver Intl

Fri 7/10

6:30 am-7:53 pm

1 stop12h 23m

Chicago O'Hare Intl

Mon 7/13

9:57 pm-11:57 pm

Nonstop3h 00m

$182
Quickest round-trip

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

Tue 8/11

12:36 pm-4:30 pm

Nonstop2h 54m

Chicago O'Hare Intl

Tue 8/18

10:50 am-12:45 pm

Nonstop2h 55m

$287

DurangoChicago

DRO - ORD

DROORD

Durango La Plata County

Thu 5/21

5:06 pm-12:42 am

1 stop6h 36m

Chicago O'Hare Intl

Mon 5/25

5:00 am-9:54 am

1 stop5h 54m

$288

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

Tue 6/2

12:13 pm-3:59 pm

Nonstop2h 46m

Chicago O'Hare Intl

Sat 6/6

9:06 am-11:10 am

Nonstop3h 04m

$291

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

Tue 6/2

12:13 pm-3:59 pm

Nonstop2h 46m

Chicago O'Hare Intl

Tue 6/9

5:00 am-8:41 am

1 stop4h 41m

$297

Grand JunctionChicago

GJT - ORD

GJTORD

Grand Junction Regnl

Wed 6/17

6:50 pm-8:05 am

2 stops12h 15m

Chicago O'Hare Intl

Tue 6/23

3:55 pm-9:54 pm

2 stops6h 59m

$309

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

Tue 8/11

6:00 am-2:05 pm

1 stop7h 05m

Chicago O'Hare Intl

Tue 8/18

2:12 pm-10:56 pm

2 stops9h 44m

$312

HaydenChicago

HDN - ORD

HDNORD

Hayden Yampa Valley

Tue 6/2

9:00 am-3:00 pm

1 stop5h 00m

Chicago O'Hare Intl

Wed 6/3

7:45 am-7:50 pm

2 stops13h 05m

$314

HaydenChicago

HDN - ORD

HDNORD

Hayden Yampa Valley

Tue 6/2

9:00 am-11:55 pm

2 stops13h 55m

Chicago O'Hare Intl

Wed 6/3

7:45 am-7:50 pm

2 stops13h 05m

$325

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 January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Colorado averaging around $57.

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 $553.

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 $223 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $567. 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 from Colorado 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 $271 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 $203 on momondo.

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

$164

Fastest flight time

2h 23m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Colorado in the past 72 hours is $164. The best round-trip flight deal from Colorado to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $294.
The fastest flight from Colorado to Chicago O'Hare Intl Airport takes 2h 23m
Direct flights go from Colorado to Chicago O'Hare Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Colorado to Chicago O'Hare Intl Airport

  • 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 $76Free CancellationRating
5.6
2,955 reviews
Search Frontier flights
JetBluePriceFrom $126Free CancellationRating
7.1
2,976 reviews
Search JetBlue flights
SouthwestPriceFrom $157Free CancellationRating
7.9
4,301 reviews
Search Southwest flights
American AirlinesPriceFrom $159Free CancellationRating
7.1
11,668 reviews
Search American Airlines flights
United AirlinesPriceFrom $170Free CancellationRating
7.4
9,694 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
South Haven
Schaumburg
Rockford
Merrillville
Gurnee
Rosemont
Naperville
New Buffalo
Orland Park
Oak Brook
Kenosha
Joliet
Aurora
Racine
Janesville
Hammond
Evanston
Elgin
Tinley Park

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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