Cheap flights from Chicago O'Hare Intl Airport to Denver from $78
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Denver departing on 10/11. 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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American Airlines flights from Chicago O'Hare Intl Airport to Denver
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Frontier flights from Chicago O'Hare Intl Airport to Denver
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport is in September. Flight prices, which tend to average around $160, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in September, then you should wait until November to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $172.
What is the cheapest day to depart on your flight to Denver?
The cheapest day to depart on your flight to Denver is on a Wednesday when prices can be found for as low as $226. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $308.
What is the cheapest time of day to depart on your flight to Denver?
The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $209. Flights at noon are often more expensive with an average ticket price of $290.
What is the cheapest Chicago O'Hare Intl to Denver Intl flight route?
Fly from Chicago O'Hare Intl to Denver Intl for the best Chicago O'Hare Intl - 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 O'Hare Intl Airport when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $211 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Chicago O'Hare Intl Airport for as low as $176 on momondo.
What cabin class options are available on Chicago O'Hare Intl to Denver Intl flights?
There are 4 cabin classes available to choose from on Chicago O'Hare Intl to Denver 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 Chicago O'Hare Intl to Denver Intl?
American Airlines, Southwest, and United Airlines are the most popular carriers operating from Chicago O'Hare Intl to Denver Intl
What airlines fly to Denver?
Frontier, United Airlines and American Airlines are the top three most popular airlines that fly to Denver from Chicago O'Hare Intl Airport according to our data. Frontier is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 4 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago O'Hare Intl Airport to Denver on average per day?
The number of flights available between Chicago O'Hare Intl Airport and Denver is 49 per day as of June 2025. The most frequent departure time is 6:00PM, with 39% of daily flights leaving in the evening.
How many flights depart from Chicago O'Hare Intl Airport to Denver on average per week?
As of June 2025, 345 flights take off from Chicago O'Hare Intl Airport and land in Denver each week. The most common flight departure day for this route is Thu, with 17% of weekly flights taking off on this day.
When to book flights from Chicago O'Hare Intl Airport to Denver
Cheap Chicago O'Hare Intl Airport to Denver (ORD to DEN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Denver
How far is Chicago O'Hare Intl to Denver Intl by plane?
The distance between Chicago O'Hare Intl and Denver Intl is about 903.7 mi. In terms of flight time, this usually takes a little over 2h 34m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Denver Intl Airport?
Prices for flights from Chicago O'Hare Intl Airport to Denver Intl Airport were last updated today.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Denver Intl Airport?
There are 4 operators available for flights from Chicago O'Hare Intl Airport to Denver Intl Airport as of June 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport 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 layovers 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 O'Hare Intl Airport 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 license 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 O'Hare Intl Airport to Denver?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to Denver is Airbus A321neo (13.63% of total bookings). The next most popular plane models are Boeing 737-800 (11.54%), Boeing 737 MAX 8 (10.14%), and Boeing 737-900 (9.03%).
What is the most popular airline from Chicago O'Hare Intl Airport to Denver?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago O'Hare Intl Airport to Denver is Frontier (38% of total bookings). The next most popular airlines are United Airlines (29%), American Airlines (20%), and Southwest (12%).
Best airlines flying from Chicago O'Hare Intl Airport to Denver
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Denver with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $48 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $151 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $156 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $160 | Free Cancellation | Rating 8.0 4,287 reviews |
Southwest Flights From Chicago O'Hare Intl Airport to Denver
The lowest priced Southwest flight from Chicago O'Hare Intl Airport to Denver from the last 72 hours was $160. Generally, Southwest has 20 flights on this route every week with an average price of $250. Southwest is rated 8.0/10 by our users.
United Airlines Flights From Chicago O'Hare Intl Airport to Denver
United Airlines (7.4/10 from 8,790 reviews) operates around 65 flights from Chicago O'Hare Intl Airport to Denver in any given week. The average United Airlines airfare for this route is around $291, with deals from around $156 rare but found on momondo. Referenced prices are for round-trip Chicago O'Hare Intl Airport to Denver flight searches in the last 72 hours.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsWhy 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?
momondo does allow users to show only those flights to Denver from Chicago which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Chicago to Denver?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Denver.
I’m not ready to book a flight from Chicago to Denver right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Chicago to Denver now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Denver and let you know when they change.