Find flights
When to book
FAQs & Tips
Direct Flights
Deals

$34 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 6/8. 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
sáb 6/15
sáb 6/22

Search hundreds of travel sites at once for deals on flights to Chicago

In the last 7 days travelers have searched 42,211,976 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know

Low season

January

High season

May

Cheapest flight

$34
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

6/11ter
nonstopFrontier
2h 30mDEN-ORD
6/15sáb
nonstopFrontier
2h 54mORD-DEN
$57
6/1sáb
nonstopFrontier
2h 28mDEN-ORD
6/5qua
nonstopFrontier
2h 57mORD-DEN
$58
6/15sáb
nonstop
2h 35mDEN-ORD
6/21sex
1 stop
15h 12mORD-DEN
$100
6/13qui
1 stop
5h 51mDEN-ORD
6/17seg
nonstop
2h 57mORD-DEN
$105
6/13qui
1 stopSun Country Air
16h 13mDEN-ORD
6/17seg
1 stopSun Country Air
16h 19mORD-DEN
$152
6/12qua
1 stopSun Country Air
24h 32mDEN-ORD
6/14sex
1 stopSun Country Air
26h 00mORD-DEN
$172
10/11sex
1 stopDelta
7h 27mDEN-ORD
10/15ter
1 stopDelta
7h 57mORD-DEN
$196
6/7sex
1 stopDelta
7h 41mDEN-ORD
6/11ter
1 stopDelta
7h 43mORD-DEN
$197
8/7qua
1 stopUnited Airlines
4h 47mCOS-ORD
8/10sáb
1 stopUnited Airlines
4h 23mORD-COS
$199
8/23sex
nonstopUnited Airlines
2h 52mCOS-ORD
8/25dom
1 stopUnited Airlines
6h 35mORD-COS
$206

Search by stops

Search by airline

Search by price

Recent one-way flight deals

6/8sáb
nonstopFrontier
2h 35mDEN-ORD
$34
8/14qua
nonstopFrontier
2h 22mDEN-MDW
$34
7/18qui
1 stopSun Country Air
5h 00mDEN-ORD
$57
6/17seg
1 stopSun Country Air
7h 51mDEN-ORD
$67
7/16ter
nonstopUnited Airlines
2h 31mDEN-ORD
$70
6/3seg
2 stops
24h 50mDEN-ORD
$91
6/25ter
1 stopUnited Airlines
4h 29mCOS-ORD
$92
6/24seg
1 stopDelta
6h 09mDEN-ORD
$98
6/14sex
1 stopDelta
7h 08mDEN-MDW
$98
6/4ter
3 stops
26h 52mDEN-ORD
$111

Search by stops

Search by airline

Search by price

Last minute flights from Colorado to Chicago

Last minute flight, train and bus deals

5/21ter
nonstopFrontier
2h 26mDEN-MDW
5/22qua
nonstopFrontier
2h 48mMDW-DEN
$96
5/21ter
nonstopFrontier
2h 38mDEN-ORD
5/22qua
nonstopFrontier
2h 51mORD-DEN
$98
5/21ter
nonstop
2h 38mDEN-ORD
5/26dom
multi-stop
9h 00mORD-DEN
$147
5/18sáb
nonstop
2h 28mDEN-ORD
5/26dom
multi-stop
25h 30mORD-DEN
$200
5/18sáb
nonstopAmerican Airlines
2h 28mDEN-ORD
5/18sáb
nonstopAmerican Airlines
2h 42mORD-DEN
$276
5/20seg
multi-stopDelta
5h 41mDEN-ORD
5/27seg
multi-stopDelta
4h 59mORD-DEN
$279
5/18sáb
nonstopAmerican Airlines
2h 28mDEN-ORD
5/18sáb
multi-stopAmerican Airlines
7h 41mORD-DEN
$284
5/20seg
multi-stopDelta
5h 41mDEN-ORD
5/21ter
multi-stopDelta
5h 45mORD-DEN
$300
5/21ter
nonstopUnited Airlines
2h 32mDEN-ORD
5/21ter
nonstopUnited Airlines
2h 47mORD-DEN
$321
5/21ter
nonstopUnited Airlines
2h 30mDEN-ORD
5/21ter
multi-stopUnited Airlines
6h 54mORD-DEN
$331

Search by stops

Search by airline

Search by price

Flights to Chicago

Return flight deals:

Chicago - Colorado

Cabin classes:

$513
$1,575
$863
$53