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$30 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
Tue 6/18
Tue 6/25

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In the last 7 days travelers have searched 41,904,688 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

May

Cheapest flight

$30
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

5/29Wed
nonstopFrontier
2h 32mDEN-ORD
6/1Sat
nonstopFrontier
2h 49mORD-DEN
$58
5/29Wed
nonstopFrontier
2h 25mDEN-MDW
6/4Tue
nonstopFrontier
2h 47mMDW-DEN
$58
7/18Thu
1 stop
5h 00mDEN-ORD
7/30Tue
nonstop
2h 40mORD-DEN
$99
6/13Thu
1 stop
5h 51mDEN-ORD
6/15Sat
nonstop
2h 54mORD-DEN
$112
7/5Fri
1 stopSun Country Air
15h 48mDEN-ORD
7/12Fri
1 stopSun Country Air
24h 56mORD-DEN
$165
6/5Wed
1 stopSun Country Air
7h 38mDEN-ORD
6/10Mon
1 stopSun Country Air
14h 20mORD-DEN
$169
6/1Sat
nonstopAmerican Airlines
2h 28mDEN-ORD
6/1Sat
nonstopAmerican Airlines
2h 54mORD-DEN
$189
7/4Thu
1 stopDelta
5h 51mDEN-MDW
7/12Fri
1 stopDelta
5h 54mMDW-DEN
$196
7/4Thu
1 stopDelta
5h 51mDEN-MDW
7/11Thu
1 stopDelta
5h 54mMDW-DEN
$210
8/31Sat
nonstopAmerican Airlines
2h 49mASE-ORD
9/2Mon
nonstopAmerican Airlines
3h 07mORD-ASE
$324

Search by stops

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Recent one-way flight deals

6/1Sat
nonstopFrontier
2h 28mDEN-ORD
$30
6/1Sat
nonstopFrontier
2h 25mDEN-MDW
$30
7/18Thu
1 stopSun Country Air
5h 00mDEN-ORD
$57
6/17Mon
1 stopSun Country Air
7h 51mDEN-ORD
$67
7/16Tue
nonstopUnited Airlines
2h 31mDEN-ORD
$70
6/3Mon
3 stops
28h 34mDEN-ORD
$87
6/3Mon
2 stops
28h 15mDEN-ORD
$91
6/17Mon
1 stopDelta
6h 09mDEN-ORD
$98
6/16Sun
1 stopDelta
5h 52mDEN-ORD
$102
7/19Fri
nonstopUnited Airlines
2h 31mDEN-ORD
$113

Search by stops

Search by airline

Search by price

Last minute flights from Colorado to Chicago

Last minute flight, train and bus deals

5/22Wed
nonstopFrontier
2h 25mDEN-MDW
5/26Sun
nonstopFrontier
2h 48mMDW-DEN
$130
5/22Wed
nonstopFrontier
2h 32mDEN-ORD
5/25Sat
nonstopFrontier
2h 49mORD-DEN
$140
5/22Wed
nonstop
2h 32mDEN-ORD
5/26Sun
multi-stop
25h 30mORD-DEN
$202
5/20Mon
nonstop
2h 32mDEN-ORD
5/26Sun
multi-stop
25h 30mORD-DEN
$212
5/24Fri
multi-stopDelta
6h 52mDEN-MDW
6/1Sat
multi-stopDelta
6h 06mMDW-DEN
$283
5/22Wed
multi-stopAmerican Airlines
6h 36mDEN-ORD
5/25Sat
multi-stopAmerican Airlines
6h 45mORD-DEN
$356
5/24Fri
multi-stopDelta
6h 52mDEN-MDW
5/28Tue
multi-stopDelta
6h 34mMDW-DEN
$358
5/24Fri
nonstopUnited Airlines
2h 35mDEN-ORD
5/24Fri
multi-stopUnited Airlines
15h 07mORD-DEN
$359
5/24Fri
nonstopAmerican Airlines
2h 28mDEN-ORD
5/26Sun
nonstopAmerican Airlines
2h 54mORD-DEN
$402
5/21Tue
nonstopUnited Airlines
2h 39mCOS-ORD
5/25Sat
nonstopUnited Airlines
2h 49mORD-COS
$707

Search by stops

Search by airline

Search by price

Flights to Chicago

Return flight deals:

Chicago - Colorado

Cabin classes:

$513
$1,575
$863
$53