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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 6/1. 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
Fri 6/21
Fri 6/28

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In the last 7 days travelers have searched 43,423,329 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

6/15Sat
nonstopFrontier
2h 35mDEN-ORD
6/18Tue
nonstopFrontier
2h 45mORD-DEN
$60
9/11Wed
nonstopFrontier
2h 22mDEN-MDW
9/17Tue
nonstopFrontier
2h 43mMDW-DEN
$60
6/13Thu
1 stop
5h 51mDEN-ORD
6/18Tue
nonstop
2h 45mORD-DEN
$112
6/17Mon
1 stop
7h 51mDEN-ORD
6/20Thu
nonstop
2h 45mORD-DEN
$122
8/31Sat
nonstopAmerican Airlines
2h 32mDEN-ORD
9/2Mon
nonstopAmerican Airlines
2h 39mORD-DEN
$169
7/1Mon
nonstopAmerican Airlines
2h 34mDEN-ORD
7/5Fri
nonstopAmerican Airlines
2h 37mORD-DEN
$175
6/12Wed
1 stopSun Country Air
24h 32mDEN-ORD
6/14Fri
1 stopSun Country Air
26h 00mORD-DEN
$185
9/9Mon
1 stopDelta
7h 27mDEN-ORD
9/24Tue
1 stopDelta
8h 59mORD-DEN
$196
10/1Tue
1 stopDelta
5h 44mDEN-MDW
10/8Tue
1 stopDelta
5h 22mMDW-DEN
$196
6/23Sun
1 stopSun Country Air
23h 01mCOS-ORD
6/26Wed
1 stopSun Country Air
21h 58mORD-COS
$199

Search by stops

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Recent one-way flight deals

6/1Sat
nonstopFrontier
2h 28mDEN-ORD
$29
6/4Tue
nonstopFrontier
2h 26mDEN-MDW
$29
6/5Wed
1 stopSun Country Air
7h 38mDEN-ORD
$69
8/23Fri
1 stopSun Country Air
8h 02mDEN-ORD
$76
8/18Sun
nonstopUnited Airlines
2h 31mDEN-ORD
$83
6/21Fri
nonstopUnited Airlines
2h 31mDEN-ORD
$93
6/25Tue
1 stopDelta
5h 52mDEN-ORD
$98
8/13Tue
1 stopDelta
7h 57mDEN-MDW
$98
9/29Sun
nonstopAmerican Airlines
2h 31mDEN-ORD
$113
7/23Tue
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

5/26Sun
nonstopFrontier
2h 25mDEN-MDW
6/1Sat
nonstopFrontier
2h 48mMDW-DEN
$179
5/26Sun
nonstopFrontier
2h 38mDEN-ORD
6/1Sat
nonstopFrontier
2h 49mORD-DEN
$182
5/25Sat
multi-stop
23h 58mDEN-ORD
6/8Sat
nonstop
2h 54mORD-DEN
$228
5/26Sun
nonstop
2h 38mDEN-ORD
5/31Fri
multi-stop
14h 25mORD-DEN
$261
5/24Fri
multi-stopDelta
7h 00mDEN-ORD
6/8Sat
multi-stopDelta
5h 54mORD-DEN
$358
5/24Fri
multi-stopDelta
7h 00mDEN-ORD
5/29Wed
multi-stopDelta
5h 58mORD-DEN
$359
5/24Fri
nonstopAmerican Airlines
2h 28mDEN-ORD
5/28Tue
nonstopAmerican Airlines
2h 54mORD-DEN
$363
5/25Sat
multi-stopSun Country Air
23h 58mDEN-ORD
5/27Mon
multi-stopSun Country Air
14h 00mORD-DEN
$372
5/25Sat
nonstopAmerican Airlines
2h 28mDEN-ORD
5/27Mon
nonstopAmerican Airlines
2h 37mORD-DEN
$379
5/25Sat
multi-stopSun Country Air
23h 58mDEN-ORD
5/27Mon
multi-stopSun Country Air
14h 00mORD-DEN
$382

Search by stops

Search by airline

Search by price

Flights to Chicago

Return flight deals:

Chicago - Colorado

Cabin classes:

$512
$1,049
$1,305
$57