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Cheap flights from Colorado to Chicago from $63

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 2/26. 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
8:45 pm - 12:12 amDEN-ORD
2h 27mnonstop
Frontier Logo
9:52 pm - 8:55 amORD-DEN
12h 03m1 stop
$113Frontier
Find Deal
jue., dic. 11 - dom., dic. 14
Multiple Airlines Logo
4:08 pm - 2:31 pmDEN-ORD
21h 23m1 stop
Multiple Airlines Logo
7:00 am - 9:00 amORD-DEN
3h 00mnonstop
$114Multiple Airlines
Find Deal
mar., nov. 18 - vie., nov. 21
United Airlines Logo
8:30 pm - 11:59 pmDEN-ORD
2h 29mnonstop
United Airlines Logo
1:51 pm - 3:40 pmORD-DEN
2h 49mnonstop
$133United Airlines
Find Deal
mié., dic. 3 - mié., dic. 10
American Airlines Logo
7:26 am - 11:10 amDEN-ORD
2h 44mnonstop
American Airlines Logo
8:25 pm - 10:20 pmORD-DEN
2h 55mnonstop
$134American Airlines
Find Deal
jue., dic. 4 - lun., dic. 8
Southwest Logo
5:30 am - 1:30 pmDEN-ORD
7h 00m1 stop
Southwest Logo
2:15 pm - 9:35 pmORD-DEN
8h 20m1 stop
$153Southwest
Find Deal
mié., dic. 10 - jue., dic. 11
United Airlines Logo
8:25 pm - 11:59 pmDEN-ORD
2h 34mnonstop
United Airlines Logo
10:40 am - 12:38 pmORD-DEN
2h 58mnonstop
$155United Airlines
Find Deal
vie., ene. 23 - lun., ene. 26
American Airlines Logo
4:40 pm - 11:35 pmGJT-ORD
5h 55m1 stop
American Airlines Logo
5:00 am - 11:34 amORD-GJT
7h 34m1 stop
$211American Airlines
Find Deal
vie., dic. 5 - lun., dic. 8
Delta Logo
1:35 pm - 9:52 pmGJT-ORD
7h 17m1 stop
Delta Logo
5:20 pm - 10:38 pmORD-GJT
6h 18m1 stop
$217Delta
Find Deal
mié., ene. 14 - sáb., ene. 17
Delta Logo
5:50 am - 12:40 pmGJT-ORD
5h 50m1 stop
Delta Logo
2:30 pm - 10:47 pmORD-GJT
9h 17m2 stops
$222Delta
Find Deal
vie., dic. 5 - lun., dic. 8
Southwest Logo
2:25 pm - 10:35 pmCOS-ORD
7h 10m1 stop
Southwest Logo
4:25 pm - 9:55 pmORD-COS
6h 30m1 stop
$307Southwest
Find Deal
mar., dic. 9 - vie., dic. 12

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

Our best United Airlines deals on Colorado to Chicago O'Hare Intl Airport flight tickets
United Airlines
Dec 3
DEN8:30 pmDenver Intl
2h 29m
ORD11:59 pmChicago O'Hare Intl
Dec 10
ORD1:51 pmChicago O'Hare Intl
2h 49m
DEN3:40 pmDenver Intl
$133
Find similar
United Airlines
Jan 23
DEN8:25 pmDenver Intl
2h 34m
ORD11:59 pmChicago O'Hare Intl
Jan 26
ORD10:40 amChicago O'Hare Intl
2h 58m
DEN12:38 pmDenver Intl
$155
Find similar
United Airlines
Dec 2
DEN8:30 pmDenver Intl
2h 29m
ORD11:59 pmChicago O'Hare Intl
Dec 10
ORD1:00 pmChicago O'Hare Intl
2h 50m
DEN2:50 pmDenver Intl
$156
Find similar

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
Dec 11
DEN8:45 pmDenver Intl
2h 27m
ORD12:12 amChicago O'Hare Intl
Dec 14
ORD9:52 pmChicago O'Hare Intl
12h 03m
1 stop
DEN8:55 amDenver Intl
$113
Find similar
Frontier
Nov 19
DEN12:05 pmDenver Intl
2h 34m
ORD3:39 pmChicago O'Hare Intl
Nov 20
ORD6:20 amChicago O'Hare Intl
8h 06m
1 stop
DEN1:26 pmDenver Intl
$115
Find similar
Frontier
Dec 1
DEN12:59 amDenver Intl
13h 13m
1 stop
ORD3:12 pmChicago O'Hare Intl
Dec 8
ORD7:00 amChicago O'Hare Intl
2h 56m
DEN8:56 amDenver Intl
$116
Find similar

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 noviembre 6, 2025.
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

jue. 12/11

8:45 pm-12:12 am

Nonstop2h 27m

Chicago O'Hare Intl

dom. 12/14

9:52 pm-8:55 am

1 stop12h 03m

$113

DenverChicago

DEN - ORD

DENORD

Denver Intl

mar. 11/18

4:08 pm-2:31 pm

1 stop21h 23m

Chicago O'Hare Intl

vie. 11/21

7:00 am-9:00 am

Nonstop3h 00m

$114

DenverChicago

DEN - ORD

DENORD

Denver Intl

mié. 12/3

8:30 pm-11:59 pm

Nonstop2h 29m

Chicago O'Hare Intl

mié. 12/10

1:51 pm-3:40 pm

Nonstop2h 49m

$133

DenverChicago

DEN - ORD

DENORD

Denver Intl

jue. 12/4

7:26 am-11:10 am

Nonstop2h 44m

Chicago O'Hare Intl

lun. 12/8

8:25 pm-10:20 pm

Nonstop2h 55m

$134

DenverChicago

DEN - ORD

DENORD

Denver Intl

mié. 12/10

5:30 am-1:30 pm

1 stop7h 00m

Chicago O'Hare Intl

jue. 12/11

2:15 pm-9:35 pm

1 stop8h 20m

$153

DenverChicago

DEN - ORD

DENORD

Denver Intl

vie. 1/23

8:25 pm-11:59 pm

Nonstop2h 34m

Chicago O'Hare Intl

lun. 1/26

10:40 am-12:38 pm

Nonstop2h 58m

$155

Grand JunctionChicago

GJT - ORD

GJTORD

Grand Junction Regnl

vie. 12/5

4:40 pm-11:35 pm

1 stop5h 55m

Chicago O'Hare Intl

lun. 12/8

5:00 am-11:34 am

1 stop7h 34m

$211

Grand JunctionChicago

GJT - ORD

GJTORD

Grand Junction Regnl

mié. 1/14

1:35 pm-9:52 pm

1 stop7h 17m

Chicago O'Hare Intl

sáb. 1/17

5:20 pm-10:38 pm

1 stop6h 18m

$217

Grand JunctionChicago

GJT - ORD

GJTORD

Grand Junction Regnl

vie. 12/5

5:50 am-12:40 pm

1 stop5h 50m

Chicago O'Hare Intl

lun. 12/8

2:30 pm-10:47 pm

2 stops9h 17m

$222

Colorado SpringsChicago

COS - ORD

COSORD

Colorado Springs

mar. 12/9

2:25 pm-10:35 pm

1 stop7h 10m

Chicago O'Hare Intl

vie. 12/12

4:25 pm-9:55 pm

1 stop6h 30m

$307

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 $216.

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 Friday when prices can be found for as low as $332. 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 $564.

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 $205 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $684. 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 $238 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 $200 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

$127

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 $127. The best round-trip flight deal from Colorado to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $221.
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 $66Free CancellationRating
5.8
3,116 reviews
Search Frontier flights
SouthwestPriceFrom $156Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
American AirlinesPriceFrom $157Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom $166Free CancellationRating
7.4
9,007 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
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Orland Park
Racine
Hammond
Tinley Park
Janesville
Aurora
Elgin
Benton Harbor

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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