Cheap flights from Colorado to Chicago from $75
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Chicago departing on 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Colorado to Chicago
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Chicago?
The month of September is, on average, the cheapest month to fly to Chicago from Colorado, with most prices found around $148. If you’re not able to fly to Chicago in September, then October is your next best option. Flight prices from Colorado to Chicago during October average around $157.
What is the cheapest day to depart on your flight to Chicago?
The cheapest day to depart on your flight to Chicago is on a Friday when prices can be found for as low as $290. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Colorado to Chicago for around $511.
What is the cheapest time of day to depart on your flight to Chicago?
Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Colorado to Chicago during this time can be as low as $186. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $649.
What is the cheapest Colorado to Chicago flight route?
Fly from Denver Intl to Chicago O'Hare Intl for the best Colorado - Chicago flight prices
How far in advance should I book a flight to Chicago?
You are more likely to see cheaper flights to Chicago from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $225 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Colorado for as low as $187 on momondo.
What cabin class options are available on Colorado to Chicago flights?
There are 4 cabin classes available to choose from on Colorado to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Colorado to Chicago?
Frontier, American Airlines, and United Airlines are the most popular carriers operating from Colorado to Chicago
What airlines fly to Chicago?
United Airlines, Frontier and American Airlines are the top three most popular airlines that fly to Chicago from Colorado according to our data. United Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 4 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.
How many flights depart from Colorado to Chicago on average per day?
The number of flights available between Colorado and Chicago is 79 per day as of June 2025. The most frequent departure time is 12:00PM, with 48% of daily flights leaving in the afternoon.
How many flights depart from Colorado to Chicago on average per week?
558 flights are operational weekly from Colorado to Chicago as of June 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.
Cheap Colorado to Chicago flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Colorado to Chicago
When did momondo last update prices for flights from Colorado to Chicago?
Prices for flights from Colorado to Chicago are updated daily.
How many operators does momondo search for flights from Colorado to Chicago?
There are 4 operators available for flights from Colorado to Chicago as of June 2025.
How old do you have to be to fly from Colorado to Chicago?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Colorado to Chicago?
Based on momondo bookings for flights between Colorado and Chicago, the leading plane model is Airbus A321neo, making up 11.92% of the total bookings. Other popular models include Boeing 737-800 with 10.58%, Boeing 737-800 Passenger/BBJ2 (winglets) with 10.42%, and Boeing 737 MAX 8 with 9.46%.
Best airlines flying from Colorado to Chicago
Compare and see reviews for airlines that fly from Colorado to Chicago with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $54 | Free Cancellation | Rating 5.9 3,301 reviews | |||
| PriceFrom $150 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $155 | Free Cancellation | Rating 8.0 4,280 reviews | |||
| PriceFrom $158 | Free Cancellation | Rating 7.4 8,810 reviews |
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Colorado to Chicago?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Colorado to Chicago. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Colorado to Chicago with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Chicago from Colorado with this policy.
How can momondo help me find flights from Colorado to Chicago?
Once all potential Colorado to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Colorado to Chicago right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Colorado to Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.