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Find cheap flights from Colorado to Chicago from $37

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
จ. 6/3
จ. 6/10

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Good to know

Low season

January

High season

November

Cheapest flight

$37
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly with an average 2% increase in price.
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

5/15พ.
nonstopFrontier
2h 29mDEN-ORD
5/18ส.
nonstopFrontier
2h 49mORD-DEN
$51
5/14อ.
nonstopFrontier
2h 29mDEN-ORD
5/18ส.
nonstopFrontier
2h 49mORD-DEN
$52
5/22พ.
nonstop
2h 32mDEN-ORD
5/26อา.
1 stop
9h 00mORD-DEN
$86
7/2อ.
nonstop
2h 30mDEN-ORD
7/5ศ.
1 stop
14h 08mORD-DEN
$100
5/30พฤ.
nonstopUnited Airlines
2h 31mDEN-ORD
5/31ศ.
nonstopUnited Airlines
2h 38mORD-DEN
$139
6/13พฤ.
1 stopSun Country Air
16h 13mDEN-ORD
6/14ศ.
1 stopSun Country Air
26h 00mORD-DEN
$172
6/4อ.
1 stopSun Country Air
25h 08mDEN-ORD
6/16อา.
1 stopSun Country Air
13h 20mORD-DEN
$182
5/21อ.
nonstopAmerican Airlines
2h 28mDEN-ORD
5/21อ.
nonstopAmerican Airlines
2h 42mORD-DEN
$183
6/1ส.
nonstopUnited Airlines
2h 50mCOS-ORD
6/8ส.
1 stopUnited Airlines
4h 35mORD-COS
$250
6/6พฤ.
1 stopAmerican Airlines
5h 47mCOS-ORD
6/8ส.
1 stopAmerican Airlines
5h 52mORD-COS
$338

Search by stops

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Recent one-way flight deals

7/2อ.
nonstopFrontier
2h 30mDEN-ORD
$37
7/2อ.
nonstopFrontier
2h 24mDEN-MDW
$37
7/5ศ.
1 stopSun Country Air
4h 34mDEN-ORD
$57
6/5พ.
1 stopSun Country Air
7h 38mDEN-ORD
$58
5/30พฤ.
nonstopUnited Airlines
2h 31mDEN-ORD
$70
7/9อ.
nonstopUnited Airlines
2h 33mCOS-ORD
$83
8/25อา.
nonstopAmerican Airlines
2h 30mDEN-ORD
$83
6/17จ.
1 stopDelta
6h 09mDEN-ORD
$98
6/17จ.
1 stopDelta
7h 08mDEN-MDW
$98
6/23อา.
nonstopAmerican Airlines
2h 34mDEN-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

5/7อ.
nonstopFrontier
2h 29mDEN-ORD
5/18ส.
nonstopFrontier
2h 49mORD-DEN
$102
5/7อ.
nonstopFrontier
2h 27mDEN-MDW
5/21อ.
nonstopFrontier
2h 47mMDW-DEN
$102
5/8พ.
multi-stop
16h 30mDEN-ORD
5/14อ.
nonstop
2h 55mORD-DEN
$189
5/9พฤ.
multi-stop
16h 30mDEN-ORD
5/18ส.
nonstop
2h 49mORD-DEN
$218
5/8พ.
multi-stopDelta
4h 42mDEN-ORD
5/18ส.
multi-stopDelta
4h 59mORD-DEN
$254
5/8พ.
multi-stopDelta
4h 40mDEN-MDW
5/18ส.
multi-stopDelta
5h 34mMDW-DEN
$254
5/7อ.
multi-stopAmerican Airlines
6h 36mDEN-ORD
5/11ส.
multi-stopAmerican Airlines
6h 13mORD-DEN
$276
5/8พ.
multi-stopDenver Air Connection
16h 30mDEN-ORD
5/13จ.
multi-stopDenver Air Connection
4h 30mORD-DEN
$319
5/8พ.
multi-stopDenver Air Connection
16h 30mDEN-ORD
5/20จ.
multi-stopDenver Air Connection
4h 30mORD-DEN
$320
5/5อา.
multi-stopAmerican Airlines
6h 34mDEN-ORD
5/8พ.
nonstopAmerican Airlines
2h 54mORD-DEN
$392

Search by stops

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Flights to Chicago

Return flight deals:

Chicago - Colorado

Cabin classes:

$412
$819
$513
$49