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$31 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 6/3. 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 6/28
Fri 7/5

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In the last 7 days travelers have searched 42,816,550 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

May

Cheapest flight

$31
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, +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

6/11Tue
nonstopFrontier
2h 30mDEN-ORD
6/12Wed
nonstopFrontier
2h 57mORD-DEN
$61
6/11Tue
nonstopFrontier
2h 24mDEN-MDW
6/12Wed
nonstopFrontier
2h 46mMDW-DEN
$61
7/5Fri
1 stop
4h 34mDEN-ORD
7/9Tue
nonstop
2h 40mORD-DEN
$112
6/27Thu
1 stop
8h 41mDEN-ORD
6/30Sun
nonstop
2h 45mORD-DEN
$126
8/31Sat
nonstopAmerican Airlines
2h 30mDEN-ORD
9/2Mon
nonstopAmerican Airlines
2h 39mORD-DEN
$161
7/5Fri
1 stopSun Country Air
4h 34mDEN-ORD
7/8Mon
1 stopSun Country Air
11h 19mORD-DEN
$177
11/24Sun
1 stopDelta
5h 31mDEN-ORD
11/29Fri
1 stopDelta
4h 51mORD-DEN
$196
6/25Tue
1 stopSun Country Air
24h 41mDEN-ORD
7/2Tue
1 stopSun Country Air
23h 57mORD-DEN
$209
9/11Wed
1 stopAmerican Airlines
5h 34mCOS-ORD
9/14Sat
1 stopAmerican Airlines
5h 53mORD-COS
$216
8/21Wed
1 stopDelta
7h 57mCOS-MDW
8/27Tue
2 stopsDelta
12h 27mMDW-COS
$221

Search by stops

Search by airline

Search by price

Recent one-way flight deals

6/3Mon
nonstopFrontier
2h 32mDEN-ORD
$31
6/3Mon
nonstopFrontier
2h 25mDEN-MDW
$31
6/27Thu
1 stopSun Country Air
8h 41mDEN-ORD
$67
7/5Fri
1 stopSun Country Air
4h 34mDEN-ORD
$68
7/31Wed
nonstopAmerican Airlines
2h 33mDEN-ORD
$70
8/25Sun
nonstopAmerican Airlines
2h 30mDEN-ORD
$83
6/29Sat
nonstopUnited Airlines
2h 31mDEN-ORD
$89
6/28Fri
nonstopUnited Airlines
2h 31mDEN-ORD
$93
6/17Mon
1 stopDelta
5h 52mDEN-ORD
$98
7/11Thu
1 stopDelta
7h 03mDEN-MDW
$98

Search by stops

Search by airline

Search by price

Last minute flights from Colorado to Chicago

Last minute flight, train and bus deals

6/2Sun
multi-stopFrontier
12h 47mDEN-MDW
6/6Thu
nonstopFrontier
2h 54mMDW-DEN
$158
6/2Sun
nonstopFrontier
2h 30mDEN-ORD
6/9Sun
nonstopFrontier
2h 45mORD-DEN
$178
5/31Fri
multi-stop
7h 14mDEN-ORD
6/7Fri
multi-stop
14h 51mORD-DEN
$302
6/2Sun
multi-stop
24h 01mDEN-ORD
6/7Fri
multi-stop
14h 51mORD-DEN
$327
6/2Sun
multi-stopDelta
6h 25mDEN-MDW
6/4Tue
multi-stopDelta
5h 24mMDW-DEN
$362
5/31Fri
multi-stopDelta
7h 00mDEN-ORD
6/15Sat
multi-stopDelta
4h 28mORD-DEN
$366
5/31Fri
nonstopUnited Airlines
2h 37mDEN-ORD
5/31Fri
multi-stopUnited Airlines
22h 05mORD-DEN
$369
5/29Wed
nonstopUnited Airlines
2h 36mDEN-ORD
5/29Wed
nonstopUnited Airlines
2h 44mORD-DEN
$452
5/29Wed
multi-stopAmerican Airlines
6h 36mDEN-ORD
5/29Wed
multi-stopAmerican Airlines
6h 16mORD-DEN
$475
6/1Sat
multi-stopAmerican Airlines
5h 32mCOS-ORD
6/5Wed
multi-stopAmerican Airlines
6h 06mORD-COS
$667

Search by stops

Search by airline

Search by price

Flights to Chicago

Return flight deals:

Chicago - Colorado

Cabin classes:

$512
$966
$1,241
$58