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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 9/7. 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 7/2
Tue 7/9

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In the last 7 days travelers have searched 42,335,261 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 16% 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, +79 more

ANA, Aer Lingus, +80 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +81 more

ANA, Aer Lingus, +82 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +80 more

ANA, Aer Lingus, +81 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +80 more

ANA, Aer Lingus, +81 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, +79 more

ANA, Aer Lingus, +80 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +81 more

ANA, Aer Lingus, +82 more

Saturday

ANA, Aer Lingus, Aerolineas Argentinas, +80 more

ANA, Aer Lingus, +81 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +80 more

ANA, Aer Lingus, +81 more

See more direct flights
See more direct flights

Book cheap flights from Colorado to Chicago

Recent round-trip flight deals

9/4Wed
nonstopFrontier
2h 22mDEN-MDW
9/10Tue
nonstopFrontier
2h 43mMDW-DEN
$60
7/2Tue
nonstopFrontier
2h 30mDEN-ORD
7/30Tue
nonstopFrontier
2h 40mORD-DEN
$61
6/27Thu
1 stop
8h 41mDEN-ORD
7/2Tue
nonstop
2h 45mORD-DEN
$102
7/4Thu
1 stop
5h 01mDEN-ORD
7/9Tue
nonstop
2h 40mORD-DEN
$117
8/22Thu
nonstopAmerican Airlines
2h 30mDEN-ORD
8/22Thu
nonstopAmerican Airlines
2h 39mORD-DEN
$142
6/27Thu
1 stopSun Country Air
8h 41mDEN-ORD
7/2Tue
1 stopSun Country Air
21h 27mORD-DEN
$179
7/4Thu
1 stopSun Country Air
5h 01mDEN-ORD
7/8Mon
1 stopSun Country Air
11h 19mORD-DEN
$191
8/16Fri
1 stopDelta
8h 38mDEN-ORD
8/19Mon
1 stopDelta
7h 30mORD-DEN
$196
9/4Wed
1 stopDelta
6h 33mDEN-MDW
9/10Tue
1 stopDelta
6h 51mMDW-DEN
$196
7/31Wed
nonstopAmerican Airlines
2h 33mDEN-ORD
8/6Tue
1 stopAmerican Airlines
6h 40mORD-DEN
$198

Search by stops

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Search by price

Recent one-way flight deals

9/7Sat
nonstopFrontier
2h 31mDEN-ORD
$30
6/12Wed
nonstopFrontier
2h 22mDEN-MDW
$30
6/27Thu
1 stopSun Country Air
8h 41mDEN-ORD
$67
7/5Fri
1 stopSun Country Air
4h 34mDEN-ORD
$68
9/1Sun
nonstopUnited Airlines
2h 33mDEN-ORD
$69
9/27Fri
nonstopAmerican Airlines
2h 34mDEN-ORD
$75
8/30Fri
nonstopAmerican Airlines
2h 30mDEN-ORD
$80
7/10Wed
1 stopDelta
5h 55mDEN-ORD
$98
7/4Thu
1 stopDelta
5h 51mDEN-MDW
$98
7/3Wed
nonstopUnited Airlines
2h 31mDEN-ORD
$99

Search by stops

Search by airline

Search by price

Last minute flights from Colorado to Chicago

Last minute flight, train and bus deals

6/7Fri
nonstopFrontier
2h 22mDEN-MDW
6/11Tue
nonstopFrontier
2h 44mMDW-DEN
$127
6/7Fri
nonstopFrontier
2h 35mDEN-ORD
6/11Tue
nonstopFrontier
2h 45mORD-DEN
$128
6/7Fri
multi-stopDelta
7h 41mDEN-ORD
6/15Sat
multi-stopDelta
4h 28mORD-DEN
$286
6/7Fri
multi-stopDelta
7h 41mDEN-ORD
6/18Tue
multi-stopDelta
7h 43mORD-DEN
$306
6/4Tue
multi-stopAmerican Airlines
5h 38mEGE-ORD
6/6Thu
multi-stopAmerican Airlines
7h 41mORD-EGE
$311
6/5Wed
multi-stop
7h 38mDEN-ORD
6/5Wed
nonstop
2h 57mORD-DEN
$320
6/5Wed
multi-stop
7h 38mDEN-ORD
6/11Tue
multi-stop
23h 09mORD-DEN
$382
6/4Tue
nonstopUnited Airlines
2h 35mDEN-ORD
6/4Tue
nonstopUnited Airlines
2h 47mORD-DEN
$452
6/4Tue
multi-stopUnited Airlines
6h 08mDEN-ORD
6/4Tue
nonstopUnited Airlines
2h 47mORD-DEN
$461
6/5Wed
nonstopAmerican Airlines
2h 50mASE-ORD
6/8Sat
nonstopAmerican Airlines
3h 02mORD-ASE
$651

Search by stops

Search by airline

Search by price

Flights to Chicago

Return flight deals:

Chicago - Colorado

Cabin classes:

$512
$966
$1,241
$58