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$29 Find cheap flights from Colorado to Chicago

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 7/2. 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
dg. 6/16
dg. 6/23

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In the last 7 days travelers have searched 42,332,103 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

May

Cheapest flight

$29
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

6/25dt.
nonstopFrontier
2h 30mDEN-ORD
7/2dt.
nonstopFrontier
2h 45mORD-DEN
$58
5/29dc.
nonstopFrontier
2h 25mDEN-MDW
6/4dt.
nonstopFrontier
2h 47mMDW-DEN
$58
6/5dc.
1 stop
7h 38mDEN-ORD
6/12dc.
nonstop
2h 57mORD-DEN
$92
6/13dj.
1 stop
5h 51mDEN-ORD
6/17dl.
nonstop
2h 57mORD-DEN
$105
6/5dc.
1 stopSun Country Air
7h 38mDEN-ORD
6/28dv.
1 stopSun Country Air
14h 34mORD-DEN
$135
6/13dj.
1 stopSun Country Air
16h 13mDEN-ORD
6/17dl.
1 stopSun Country Air
16h 19mORD-DEN
$152
8/30dv.
nonstopAmerican Airlines
2h 32mDEN-ORD
9/2dl.
nonstopAmerican Airlines
2h 39mORD-DEN
$165
10/1dt.
1 stopDelta
6h 50mDEN-MDW
10/5ds.
1 stopDelta
8h 10mMDW-DEN
$196
6/7dv.
1 stopDelta
7h 41mDEN-ORD
6/11dt.
1 stopDelta
7h 43mORD-DEN
$197
8/7dc.
1 stopAmerican Airlines
5h 35mCOS-ORD
8/13dt.
1 stopAmerican Airlines
5h 57mORD-COS
$199

Search by stops

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Recent one-way flight deals

7/2dt.
nonstopFrontier
2h 30mDEN-ORD
$29
6/18dt.
nonstopFrontier
2h 24mDEN-MDW
$29
7/18dj.
1 stopSun Country Air
5h 00mDEN-ORD
$57
6/17dl.
1 stopSun Country Air
7h 51mDEN-ORD
$67
7/1dl.
nonstopUnited Airlines
2h 31mDEN-ORD
$70
7/15dl.
nonstopUnited Airlines
2h 31mDEN-ORD
$83
6/4dt.
nonstopAmerican Airlines
2h 28mDEN-ORD
$95
6/17dl.
1 stopDelta
5h 52mDEN-ORD
$98
6/14dv.
1 stopDelta
7h 08mDEN-MDW
$98
7/23dt.
1 stopAmerican Airlines
7h 09mDEN-ORD
$127

Search by stops

Search by airline

Search by price

Last minute flights from Colorado to Chicago

Last minute flight, train and bus deals

5/22dc.
nonstopFrontier
2h 32mDEN-ORD
5/30dj.
nonstopFrontier
2h 55mORD-DEN
$68
5/22dc.
nonstopFrontier
2h 32mDEN-ORD
5/23dj.
nonstopFrontier
2h 55mORD-DEN
$108
5/18ds.
nonstop
2h 28mDEN-ORD
5/26dg.
multi-stop
25h 30mORD-DEN
$200
5/22dc.
nonstop
2h 32mDEN-ORD
5/26dg.
multi-stop
25h 30mORD-DEN
$202
5/20dl.
multi-stopDelta
5h 41mDEN-ORD
5/27dl.
multi-stopDelta
4h 59mORD-DEN
$279
5/20dl.
multi-stopDelta
5h 41mDEN-ORD
5/21dt.
multi-stopDelta
5h 45mORD-DEN
$300
5/22dc.
nonstopUnited Airlines
2h 26mDEN-ORD
5/26dg.
nonstopUnited Airlines
2h 49mORD-DEN
$319
5/21dt.
nonstopUnited Airlines
2h 32mDEN-ORD
5/21dt.
nonstopUnited Airlines
2h 47mORD-DEN
$321
5/20dl.
nonstopSouthwest
2h 25mDEN-ORD
5/22dc.
nonstopSouthwest
2h 50mORD-DEN
$325
5/20dl.
nonstopSouthwest
2h 25mDEN-ORD
5/22dc.
multi-stopSouthwest
5h 55mORD-DEN
$334

Search by stops

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Flights to Chicago

Return flight deals:

Chicago - Colorado

Cabin classes:

$513
$1,575
$863
$53