Cheap flights from Chicago to Denver

1 adult
0 bags

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Chicago to Denver

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
CHI-DEN
2329 kmmulti-stop
Multiple Airlines Logo
DEN-CHI
2329 kmmulti-stop
Multiple Airlines
Find Deal

See travel insights to Denver from

How to get the cheapest flight ticket from Chicago to Denver

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 Denver?

The cheapest month to fly to Denver from Chicago is in November. Flight prices, which tend to average around R2 724, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in November, then you should wait until September to fly from Chicago, when ticket prices are also cheap, with an average price of R3 224.

What is the cheapest Chicago to Denver Intl flight route?

Fly from Chicago O'Hare Intl to Denver Intl for the best Chicago - Denver Intl flight prices

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around R3 724 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Chicago for as low as R3 121 on momondo.

What cabin class options are available on Chicago to Denver Intl flights?

There are 2 cabin classes available to choose from on Chicago to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Chicago to Denver flight prices changed over time?

As of October 2025, prices for Chicago to Denver flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Chicago to Denver (CHI to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Denver

Direct flights

None
There are no direct flights from Chicago to Denver. There are no popular flight routes from Chicago to Denver.
  • How far is Chicago to Denver Intl by plane?

    Denver Intl is 1476,4 km away from Chicago.

  • When did momondo last update prices for flights from Chicago to Denver Intl Airport?

    Prices for flights from Chicago to Denver Intl Airport refresh daily.

  • How old do you have to be to fly from Chicago to Denver Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The travel and health documents you'll need for your trip to Denver Intl Airport 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 licence and a passport that is valid for six months after your intended arrival at Denver Intl Airport. 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 Chicago to Denver?

Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Estes Park
Black Hawk

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Denver?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Denver . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Chicago to Denver with flexible booking policies on momondo?

Flights from Chicago to Denver with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to Denver?

momondo provides multiple filters to help you find the best flight to Denver from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago to Denver right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to Denver flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Denver trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 30/11
Sun 7/12

Find better results for your trip to the United States

Fly your favourite airline to Denver

Airlines are sorted and displayed according to clicks in the past 7 days on momondo