CA $147 Cheap Flights from Chicago (ORD) to Denver (DEN)

You can find cheap one-way flights from CA $147 and cheap return flights CA $293 ORD to DEN with Expedia. One-way flights typically cost between CA$229 and CA$1,337 and return flights often range between CA$664 and CA$2,179. 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 ORD to DEN ticket fares go up or down.

If you're looking for the cheapest time to fly from Chicago O'Hare International Airport (ORD) to Denver International Airport (DEN), September is typically your best bet. You can expect average return flight prices around CA$304 during this month. Other budget-friendly months to consider for this route include January and May.

There are 4 airlines offering direct flights from Chicago, IL (ORD-O'Hare Intl.) to Denver, CO (DEN-Denver Intl.). Here are the top carriers:
* United operates 128 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Denver, CO (DEN-Denver Intl.) every week.
* American Airlines operates 40 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Denver, CO (DEN-Denver Intl.) every week.
* Frontier Airlines operates 8 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Denver, CO (DEN-Denver Intl.) every week.
* Southwest Airlines operates 7 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Denver, CO (DEN-Denver Intl.) every week.

To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to Denver, CO (DEN-Denver Intl.), 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.

The best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Denver, CO (DEN-Denver Intl.) will differ from traveler to traveler. If you like to fly early, United 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 Chicago, IL (ORD-O'Hare Intl.) to Denver, CO (DEN-Denver 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.

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.

You'll find approximately 26 nonstop flights per day from Chicago O'Hare International Airport (ORD) to Denver International Airport (DEN). For even more choices, look at flights that include layovers, as there are around 181 connecting flights per day. Some common connection points include Seattle - Tacoma Intl. (SEA), Dallas-Fort Worth Intl. (DFW), and Hartsfield-Jackson Atlanta Intl. (ATL).

The earliest flight from Chicago O'Hare International Airport (ORD) to Denver International Airport (DEN) typically departs around 12:00 AM local time. This flight is operated by American Airlines. This is a seasonal service, active only in December. 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.

You'll typically find the most flights from Chicago, IL (ORD-O'Hare Intl.) to Denver, CO (DEN-Denver Intl.) on a Thursday, with around 112 flights available. This gives you plenty of options for your travel plans. Notably, there are more flight options on Thursdays compared to other days of the week. Major airlines on this route include United, American Airlines, and Delta.

The most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Denver, CO (DEN-Denver Intl.) are in the morning, from 6am to 9am. Many major carriers, including American Airlines, United and Alaska Airlines, offer flights during this window. Many travellers prefer these early morning flights as they allow you to arrive at your destination with plenty of time to start your day.

A non-stop flight from Chicago, IL (ORD-O'Hare Intl.) to Denver, CO (DEN-Denver Intl.) typically takes around 3 hours. This route covers a distance of approximately 1426 kilometres. If you opt for a flight with one stop, your travel time will be longer, usually around 8 hours 30 minutes. Flights with two or more stops can take even longer, with a typical duration of about 8 hours 18 minutes. 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 journey.

You can fly business class or first class between ORD and DEN. You can fly business class with Frontier Airlines and Delta.

First class cabins are available on Alaska Airlines, Delta, United, and American Airlines.

It's easy to earn miles on a Chicago, IL (ORD) to Denver, CO (DEN) 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.

If you're planning to travel to Denver from O'Hare Intl. (ORD), you can fly directly into Denver Intl. (DEN). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), or San Diego Intl. (SAN) before reaching Denver. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Chicago, IL (ORD) to Denver, CO (DEN) 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.

Securing a Chicago, IL (ORD) to Denver, CO (DEN) 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.

If you booked your Chicago, IL (ORD-O'Hare Intl.) to Denver, CO (DEN-Denver Intl.) 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.