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Find cheap flights from Colorado to Chicago from $37

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Chicago departing on 6/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 6/12
Wed 6/19

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In the last 7 days travelers have searched 41,771,603 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

May

Cheapest flight

$37
Best time to beat the crowds with an average 28% drop in price.
Most popular time to fly and prices are also 17% lower on average.
Flight from Denver to Chicago O'Hare Airport

FAQs for booking flights from Colorado to Chicago

  • How does KAYAK find such low prices on flights from Colorado to Chicago?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Chicago.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Chicago?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Colorado to Chicago?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to Colorado with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to Chicago?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Colorado to Chicago?

Find which airlines fly direct from Colorado to Chicago, which days they fly and book direct flights.

Nonstop departures

Colorado to Chicago

Monday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Wednesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +81 more

ANA, Aer Lingus, +82 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

See more direct flights

Nonstop returns

Chicago to Colorado

Monday

ANA, Aer Lingus, Aeromexico, +80 more

ANA, Aer Lingus, +81 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Wednesday

ANA, Aer Lingus, Aeromexico, +79 more

ANA, Aer Lingus, +80 more

Thursday

ANA, Aer Lingus, Aeromexico, +78 more

ANA, Aer Lingus, +79 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +81 more

ANA, Aer Lingus, +82 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +79 more

ANA, Aer Lingus, +80 more

See more direct flights
See more direct flights

Book cheap flights from Colorado to Chicago

Recent round-trip flight deals

6/1Sat
nonstopFrontier
2h 28mDEN-ORD
6/8Sat
nonstopFrontier
2h 54mORD-DEN
$57
9/10Tue
nonstopFrontier
2h 38mDEN-ORD
9/24Tue
nonstopFrontier
2h 45mORD-DEN
$58
6/13Thu
1 stop
5h 51mDEN-ORD
6/15Sat
nonstop
2h 54mORD-DEN
$88
5/25Sat
nonstop
2h 28mDEN-ORD
5/26Sun
1 stop
9h 00mORD-DEN
$97
6/13Thu
1 stopSun Country Air
5h 51mDEN-ORD
6/16Sun
1 stopSun Country Air
13h 20mORD-DEN
$157
7/4Thu
1 stopSun Country Air
24h 49mDEN-ORD
7/8Mon
1 stopSun Country Air
22h 31mORD-DEN
$159
9/11Wed
1 stopAmerican Airlines
5h 11mCOS-ORD
9/14Sat
1 stopAmerican Airlines
6h 58mORD-COS
$191
6/6Thu
1 stopDelta
7h 08mDEN-MDW
6/10Mon
1 stopDelta
5h 10mMDW-DEN
$196
6/26Wed
1 stopDelta
5h 52mDEN-ORD
7/1Mon
1 stopDelta
8h 14mORD-DEN
$210
9/14Sat
nonstopAmerican Airlines
2h 54mASE-ORD
9/17Tue
nonstopAmerican Airlines
2h 58mORD-ASE
$301

Search by stops

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Recent one-way flight deals

6/12Wed
nonstopFrontier
2h 35mDEN-ORD
$37
7/13Sat
nonstopFrontier
2h 22mDEN-MDW
$37
6/13Thu
1 stopSun Country Air
5h 51mDEN-ORD
$57
6/17Mon
1 stopSun Country Air
7h 51mDEN-ORD
$67
8/25Sun
nonstopAmerican Airlines
2h 30mDEN-ORD
$83
6/18Tue
1 stopAmerican Airlines
7h 54mCOS-ORD
$92
6/16Sun
nonstopUnited Airlines
2h 35mDEN-ORD
$93
6/10Mon
1 stopDelta
7h 08mDEN-MDW
$98
7/2Tue
1 stopDelta
9h 09mCOS-ORD
$98
5/30Thu
nonstopUnited Airlines
2h 31mDEN-ORD
$100

Search by stops

Search by airline

Search by price

Last minute flights from Colorado to Chicago

Last minute flight, train and bus deals

5/18Sat
nonstop
2h 28mDEN-ORD
5/26Sun
multi-stop
9h 00mORD-DEN
$88
5/14Tue
nonstopFrontier
2h 27mDEN-MDW
5/21Tue
nonstopFrontier
2h 47mMDW-DEN
$92
5/18Sat
multi-stopDelta
6h 34mDEN-MDW
5/26Sun
multi-stopDelta
6h 06mMDW-DEN
$279
5/15Wed
nonstopAmerican Airlines
2h 28mDEN-ORD
5/15Wed
nonstopAmerican Airlines
2h 54mORD-DEN
$281
5/15Wed
nonstopAmerican Airlines
2h 28mDEN-ORD
5/15Wed
multi-stopAmerican Airlines
7h 31mORD-DEN
$284
5/14Tue
multi-stopDelta
6h 54mDEN-ORD
5/21Tue
multi-stopDelta
5h 45mORD-DEN
$298
5/16Thu
nonstopUnited Airlines
2h 30mDEN-ORD
5/16Thu
nonstopUnited Airlines
2h 47mORD-DEN
$381
5/16Thu
nonstopUnited Airlines
2h 30mDEN-ORD
5/16Thu
multi-stopUnited Airlines
6h 54mORD-DEN
$390
5/17Fri
multi-stopAlaska Airlines
28h 31mDEN-ORD
5/21Tue
multi-stopAlaska Airlines
11h 00mORD-DEN
$616
5/18Sat
multi-stopAlaska Airlines
27h 53mDEN-ORD
5/20Mon
multi-stopAlaska Airlines
28h 58mORD-DEN
$660

Search by stops

Search by airline

Search by price

Flights to Chicago

Return flight deals:

Chicago - Colorado

Cabin classes:

$513
$1,575
$863
$53