A spacious airport terminal with high ceilings, check-in counters, and a Starbucks coffee shop.

Cheap Flights from Denver (DEN) to Chicago (ORD)

View AU$151 flight on Thu, 24 Dec 2026Opens in a new window

Popular airlines from Denver International Airport (DEN) to Chicago O'Hare International Airport (ORD)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Denver (DEN) to Chicago (ORD)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 26 Oct - Wed, 4 Nov
DEN
Denver
ORD
Chicago
AU$235 Return, found 6 days ago
AU$235
Return
found 6 days ago
Select American Airlines flight, departing Mon, 26 Oct from Denver to Chicago, returning Wed, 4 Nov, priced at AU$235 found 6 days ago
American Airlines
Mon, 26 Oct - Wed, 4 Nov
DEN
Denver
ORD
Chicago
AU$269 Return, found 6 days ago
AU$269
Return
found 6 days ago
Select American Airlines flight, departing Mon, 26 Oct from Denver to Chicago, returning Wed, 4 Nov, priced at AU$269 found 6 days ago
American Airlines
Sat, 3 Oct - Sat, 10 Oct
DEN
Denver
ORD
Chicago
AU$301 Return, found 4 hours ago
AU$301
Return
found 4 hours ago
Select American Airlines flight, departing Sat, 3 Oct from Denver to Chicago, returning Sat, 10 Oct, priced at AU$301 found 4 hours ago
Delta
Mon, 26 Oct - Wed, 4 Nov
DEN
Denver
ORD
Chicago
AU$302 Return, found 6 days ago
AU$302
Return
found 6 days ago
Select Delta flight, departing Mon, 26 Oct from Denver to Chicago, returning Wed, 4 Nov, priced at AU$302 found 6 days ago
Delta
Mon, 26 Oct - Wed, 4 Nov
DEN
Denver
ORD
Chicago
AU$303 Return, found 6 days ago
AU$303
Return
found 6 days ago
Select Delta flight, departing Mon, 26 Oct from Denver to Chicago, returning Wed, 4 Nov, priced at AU$303 found 6 days ago
United
Mon, 26 Oct - Wed, 4 Nov
DEN
Denver
ORD
Chicago
AU$314 Return, found 6 days ago
AU$314
Return
found 6 days ago
Select United flight, departing Mon, 26 Oct from Denver to Chicago, returning Wed, 4 Nov, priced at AU$314 found 6 days ago
American Airlines
Thu, 24 Dec - Fri, 25 Dec
DEN
Denver
ORD
Chicago
AU$318 Return, found 4 hours ago
AU$318
Return
found 4 hours ago
Select American Airlines flight, departing Thu, 24 Dec from Denver to Chicago, returning Fri, 25 Dec, priced at AU$318 found 4 hours ago
United
Mon, 26 Oct - Wed, 4 Nov
DEN
Denver
ORD
Chicago
AU$323 Return, found 6 days ago
AU$323
Return
found 6 days ago
Select United flight, departing Mon, 26 Oct from Denver to Chicago, returning Wed, 4 Nov, priced at AU$323 found 6 days ago
Delta
Sat, 3 Oct - Sat, 10 Oct
DEN
Denver
ORD
Chicago
AU$329 Return, found 4 hours ago
AU$329
Return
found 4 hours ago
Select Delta flight, departing Sat, 3 Oct from Denver to Chicago, returning Sat, 10 Oct, priced at AU$329 found 4 hours ago
Alaska Airlines
Mon, 26 Oct - Wed, 4 Nov
DEN
Denver
ORD
Chicago
AU$727 Return, found 6 days ago
AU$727
Return
found 6 days ago
Select Alaska Airlines flight, departing Mon, 26 Oct from Denver to Chicago, returning Wed, 4 Nov, priced at AU$727 found 6 days ago

Alternative airports near Chicago

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Midway Intl. MDW. Closest option available. Average driving time to city centre is 16 minutes. Flights from AU$712
MDW
Midway Intl.
Closest
Average driving time to city centre16 min
Flights from AU$712

Find the cheapest month to fly from Denver (DEN) to Chicago (ORD)

September is typically the cheapest month to fly

From AU$94 - AU$231 per traveller.

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Chicago, IL (ORD-O'Hare Intl.) cost?
You can find cheap one-way flights from AU$151 and cheap return flights from AU$235 DEN to ORD with Expedia. One-way flights typically cost between AU$234 and AU$859. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when DEN to ORD ticket fares go up or down.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
If you're looking for the cheapest time to fly from Denver, CO (DEN-Denver Intl.) to Chicago, IL (ORD-O'Hare Intl.), September is typically your best bet. You can expect average return fares around AU$323 during this month. September often sees lower prices as the summer travel rush winds down and before the holiday season picks up, leading to less demand. Other budget-friendly months to consider for this route include May and August.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
There are 4 airlines offering direct flights from Denver Intl. (DEN) to O'Hare Intl. (ORD). Here are the top carriers:
  • United operates 103 direct flights from Denver Intl. to O'Hare Intl. every week.
  • American Airlines operates 39 direct flights from Denver Intl. to O'Hare Intl. every week.
  • Frontier Airlines operates 8 direct flights from Denver Intl. to O'Hare Intl. every week.
  • Southwest Airlines operates 7 direct flights from Denver Intl. to O'Hare Intl. every week.
How do I find cheap flights from Denver, CO (DEN) to Chicago, IL (ORD)?
To find a cheap flight from Denver, CO (DEN) to Chicago, IL (ORD), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Denver, CO (DEN-Denver Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The best airline to fly with from Denver, CO (DEN-Denver Intl.) to Chicago, IL (ORD-O'Hare Intl.) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. United offers the most daily flights from Denver, CO (DEN-Denver Intl.) to Chicago, IL (ORD-O'Hare Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Denver, CO (DEN) to Chicago, IL (ORD)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
You'll find around 22 nonstop flights per day from Denver International (DEN) to O'Hare International (ORD). For even more choices, look at flights that include layovers, as there are approximately 152 connecting flights per day. Some common connection points include Dallas-Fort Worth International (DFW), Seattle - Tacoma International (SEA), and Hartsfield-Jackson Atlanta International (ATL).
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The earliest flight from Denver, CO (DEN-Denver Intl.) to Chicago, IL (ORD-O'Hare Intl.) typically departs around 12:00 AM local time, operated by Frontier Airlines. This is a seasonal service, active in June, July, August, September, October, and November. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Denver, CO (DEN-Denver Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
You'll find the most flights from Denver, CO (DEN-Denver Intl.) to Chicago, IL (ORD-O'Hare Intl.) on a Thursday, with around 105 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, Delta, and American Airlines. Flight schedules are quite consistent throughout the week, so you'll have a good selection of flights no matter which day you choose to fly.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The most popular departure times for flights from Denver International Airport (DEN) to O'Hare International Airport (ORD) are in the early morning, from 6am to 9am. Many major carriers, including American Airlines, Frontier Airlines and United, offer flights during this window. Many travellers prefer these times because it allows them to arrive at their destination early in the day, giving them more time for business or leisure activities.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
A nonstop flight from Denver, CO (DEN-Denver Intl.) to Chicago, IL (ORD-O'Hare Intl.) typically takes around 2 hours 48 minutes. This route covers a distance of approximately 1,426 kilometers. If you opt for a one-stop flight, your travel time will be longer, usually around 8 hours. Flights with two or more stops generally take about 12 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
You can fly business class or first class between DEN and ORD. Airlines that offer business class service on this route include:
  • Frontier Airlines
  • Delta
First class cabins are available on Alaska Airlines, United, Delta, and American Airlines.
How do I earn miles on a Denver, CO (DEN) to Chicago, IL (ORD) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN) to Chicago, IL (ORD) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Chicago, IL (ORD) from Denver, CO (DEN)?
If you're planning to travel to Chicago from Denver Intl. (DEN), you can fly directly into O'Hare Intl. (ORD). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), or San Diego Intl. (SAN) before reaching Chicago. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN) to Chicago, IL (ORD) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN) to Chicago, IL (ORD) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN) to Chicago, IL (ORD) flight and hotel package?
Securing a Denver, CO (DEN) to Chicago, IL (ORD) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN) to Chicago, IL (ORD)?
If you booked your Denver, CO (DEN) to Chicago, IL (ORD) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
O'Hare Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
AU$234
Distance
1417 km
Average flight time
3 hours 38 mins

Book with confidence

Your quick guide to flights from Denver to Chicago

Pick up great flights from Denver to Chicago

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Denver to Chicago. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Denver to Chicago that take around hours.

Find cheap flights from Denver to Chicago

From the great flight deals with prices currently ranging from AU$235 to AU$727, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Denver to Chicago around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Chicago is normally in October.

Reasons to book your flight from Denver to Chicago with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Denver to Chicago across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Chicago right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Denver to Chicago

Explore a world of travel with Expedia

*Available to Expedia members.