Cheap flights from Denver to Chicago from $46
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Chicago departing on 11/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize 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 Denver to Chicago
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Frontier flights from Denver to Chicago O'Hare Intl Airport
Our best Frontier deals on Denver to Chicago O'Hare Intl Airport flight tickets
See travel insights to Chicago from
How to get the cheapest flight ticket from Denver to Chicago O'Hare Intl Airport
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 O'Hare Intl Airport?
The month of October is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Denver averaging around $182.
What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?
The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as $324. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Denver because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $566.
What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?
Flying to Chicago O'Hare Intl Airport from Denver in the evening is the least expensive time of day to depart. momondo users have found prices as low as $194 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $698. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Denver Intl to Chicago O'Hare Intl flight route?
Fly from Denver Intl to Chicago O'Hare Intl for the best Denver Intl - Chicago O'Hare Intl flight prices
How far in advance should I book a flight to Chicago O'Hare Intl Airport?
You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport from Denver for as low as $189 on momondo.
What cabin class options are available on Denver Intl to Chicago O'Hare Intl flights?
There are 4 cabin classes available to choose from on Denver Intl to Chicago O'Hare Intl 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 Denver Intl to Chicago O'Hare Intl?
Frontier, American Airlines, and Southwest are the most popular carriers operating from Denver Intl to Chicago O'Hare Intl
What airlines fly to Chicago O'Hare Intl Airport?
United Airlines, Frontier and American Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Denver according to our data. United Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 4 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Denver to Chicago O'Hare Intl Airport on average per day?
As of July 2025, 47 flights take off from Denver and land in Chicago O'Hare Intl Airport each day. The most common flight departure time for this route is 2:00PM, with 47% of daily flights taking off in the afternoon.
How many flights depart from Denver to Chicago O'Hare Intl Airport on average per week?
As of July 2025, 330 flights take off from Denver and land in Chicago O'Hare Intl Airport each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.
When to book flights from Denver to Chicago O'Hare Intl Airport
Cheap Denver to Chicago O'Hare Intl Airport (DEN to ORD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Denver to Chicago O'Hare Intl Airport
How far is Denver Intl to Chicago O'Hare Intl by plane?
The distance between Denver Intl and Chicago O'Hare Intl is about 903.7 mi. Typically, this will take 2h 29m by plane in normal conditions.
When did momondo last update prices for flights from Denver Intl Airport to Chicago O'Hare Intl Airport?
Prices for flights from Denver Intl Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Denver Intl Airport to Chicago O'Hare Intl Airport?
As of July 2025, there are 4 operators available to choose from for flights from Denver Intl Airport to Chicago O'Hare Intl Airport.
How old do you have to be to fly from Denver Intl Airport to Chicago O'Hare Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Denver to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Denver to Chicago O'Hare Intl Airport is Airbus A321neo (12.27% of total bookings). The next most popular plane models are Boeing 737-800 (11.18%), Boeing 757-300 (9.99%), and Boeing 737-900 (9.89%).
What is the most popular airline from Denver to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Denver to Chicago O'Hare Intl Airport is United Airlines (32% of total bookings). The next most popular airlines are Frontier (32%), American Airlines (24%), and Southwest (12%).
Best airlines flying from Denver to Chicago O'Hare Intl Airport
Compare and see reviews for airlines that fly from Denver to Chicago O'Hare Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $54 | Free Cancellation | Rating 5.9 3,290 reviews | |||
| PriceFrom $151 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $155 | Free Cancellation | Rating 8.0 4,272 reviews | |||
| PriceFrom $159 | Free Cancellation | Rating 7.4 8,861 reviews |
Southwest Flights From Denver to Chicago O'Hare Intl Airport
Southwest operates around 14 flights from Denver to Chicago O'Hare Intl Airport every week. The average price of these flights found in the last 72 hours has been $245, but momondo users have found Southwest deals from Denver to Chicago O'Hare Intl Airport from as low as $155 round-trip. Southwest has been scored 8.0/10 in 4,272 reviews.
United Airlines Flights From Denver to Chicago O'Hare Intl Airport
$159 is the best United Airlines flight deal from Denver to Chicago O'Hare Intl Airport found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $302, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,861 user reviews) flies into Chicago O'Hare Intl Airport from Denver 66 times in an average week so prices can vary.
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 Denver to Chicago?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Denver to Chicago. momondo saves you time and could save you money on your trip.
Can I find flights from Denver to Chicago with flexible booking policies on momondo?
Flights from Denver to Chicago 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 Denver to Chicago?
Once you have performed a search for Denver to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Denver to Chicago right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Chicago from Denver. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.