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Find cheap flights from Colorado to Chicago O'Hare Airport from $30

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to O'Hare Intl departing on 5/7. 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
qua 5/29
qua 6/5

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In the last 7 days travelers have searched 43,983,279 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$30
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 25% increase in price.
Flight from Denver to Chicago O'Hare Airport

FAQs for booking Colorado to Chicago O'Hare Airport flights

  • How does KAYAK find such low prices on flights from Colorado to Chicago O'Hare Airport?

    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 O'Hare Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Chicago O'Hare Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport 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 O'Hare Airport?

    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 O'Hare Airport 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 O'Hare Airport?

    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 O'Hare Airport 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 O'Hare Airport?

Find which airlines fly direct from Colorado to O'Hare Intl, which days they fly and book direct flights.

Nonstop departures

Colorado to Chicago O'Hare Intl

Monday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +76 more

ANA, Aer Lingus, +77 more

Wednesday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Thursday

ANA, Aer Lingus, Aeromexico, +76 more

ANA, Aer Lingus, +77 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

Saturday

ANA, Aer Lingus, Aeromexico, +76 more

ANA, Aer Lingus, +77 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +76 more

ANA, Aer Lingus, +77 more

See more direct flights

Nonstop returns

Chicago O'Hare Intl to Colorado

Monday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Tuesday

ANA, Aer Lingus, Aerolineas Argentinas, +76 more

ANA, Aer Lingus, +77 more

Wednesday

ANA, Aer Lingus, Aeromexico, +77 more

ANA, Aer Lingus, +78 more

Thursday

ANA, Aer Lingus, Aeromexico, +76 more

ANA, Aer Lingus, +77 more

Friday

ANA, Aer Lingus, Aerolineas Argentinas, +78 more

ANA, Aer Lingus, +79 more

Saturday

ANA, Aer Lingus, Aeromexico, +76 more

ANA, Aer Lingus, +77 more

Sunday

ANA, Aer Lingus, Aerolineas Argentinas, +76 more

ANA, Aer Lingus, +77 more

See more direct flights
See more direct flights

Book cheap flights from Colorado to Chicago

Recent round-trip flight deals

5/15qua
nonstopFrontier
2h 29mDEN-ORD
5/18sáb
nonstopFrontier
2h 49mORD-DEN
$65
5/15qua
nonstopFrontier
2h 29mDEN-ORD
5/18sáb
nonstopFrontier
2h 49mORD-DEN
$66
6/15sáb
nonstop
2h 38mDEN-ORD
6/16dom
1 stop
14h 11mORD-DEN
$105
5/28ter
nonstopUnited Airlines
2h 35mDEN-ORD
6/4ter
nonstopUnited Airlines
2h 38mORD-DEN
$129
5/11sáb
nonstop
2h 29mDEN-ORD
6/26qua
1 stop
13h 26mORD-DEN
$132
5/21ter
nonstopAmerican Airlines
2h 28mDEN-ORD
5/21ter
1 stopAmerican Airlines
6h 16mORD-DEN
$193
6/13qui
1 stopSun Country Air
16h 13mDEN-ORD
6/17seg
1 stopSun Country Air
16h 19mORD-DEN
$195
8/30sex
nonstopUnited Airlines
2h 35mDEN-ORD
9/2seg
nonstopUnited Airlines
2h 38mORD-DEN
$201
5/11sáb
1 stopSun Country Air
23h 13mDEN-ORD
6/26qua
1 stopSun Country Air
13h 26mORD-DEN
$202
5/21ter
nonstopAmerican Airlines
2h 28mDEN-ORD
5/21ter
1 stopAmerican Airlines
7h 21mORD-DEN
$206

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Recent one-way flight deals

5/7ter
nonstopFrontier
2h 29mDEN-ORD
$30
5/15qua
nonstopFrontier
2h 29mDEN-ORD
$38
7/3qua
nonstopUnited Airlines
2h 35mDEN-ORD
$65
8/22qui
1 stopSun Country Air
15h 47mDEN-ORD
$73
7/28dom
nonstopUnited Airlines
2h 35mDEN-ORD
$78
5/25sáb
1 stopSun Country Air
23h 58mDEN-ORD
$85
6/27qui
nonstopAmerican Airlines
2h 34mDEN-ORD
$88
5/10sex
2 stops
23h 44mDEN-ORD
$91
5/23qui
nonstopAmerican Airlines
2h 29mDEN-ORD
$93
6/3seg
2 stops
26h 53mDEN-ORD
$104

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Last minute flights from Colorado to O'Hare Intl

Last minute flight, train and bus deals

5/4sáb
nonstopFrontier
2h 29mDEN-ORD
5/11sáb
nonstopFrontier
2h 55mORD-DEN
$68
5/4sáb
nonstopFrontier
2h 29mDEN-ORD
5/13seg
nonstopFrontier
2h 55mORD-DEN
$97
4/30ter
nonstop
2h 29mDEN-ORD
5/3sex
multi-stop
15h 35mORD-DEN
$185
4/30ter
nonstop
2h 29mDEN-ORD
5/3sex
multi-stop
15h 35mORD-DEN
$206
5/1qua
nonstopAmerican Airlines
2h 33mDEN-ORD
5/1qua
nonstopAmerican Airlines
2h 40mORD-DEN
$265
5/3sex
multi-stopDelta
6h 35mDEN-ORD
5/11sáb
multi-stopDelta
6h 13mORD-DEN
$269
4/30ter
nonstopAmerican Airlines
2h 29mDEN-ORD
4/30ter
nonstopAmerican Airlines
2h 40mORD-DEN
$271
4/30ter
multi-stopDelta
6h 34mDEN-ORD
5/4sáb
multi-stopDelta
5h 10mORD-DEN
$290
5/4sáb
nonstopUnited Airlines
2h 32mDEN-ORD
5/5dom
nonstopUnited Airlines
2h 46mORD-DEN
$315
4/30ter
nonstopUnited Airlines
2h 32mDEN-ORD
4/30ter
multi-stopUnited Airlines
6h 54mORD-DEN
$320

Search by stops

Search by airline

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