Top Flight Deals from DEN to ORD: Planning Your Denver to Chicago Journey

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March 2026FrontierDENORD

Last updated Feb 16, 2026

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Tracking the Mar 5, 2026 departure — the cheapest date we found.

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Traveling from the majestic peaks of the Rocky Mountains to the bustling metropolitan shores of Lake Michigan has never been easier than with the frequent flight service between Denver International Airport (DEN) and Chicago O'Hare International Airport (ORD). This approximately 900-mile journey serves as a vital artery for both business professionals and leisure seekers, connecting two of the nation's most influential transportation hubs. As you depart the Mile High City, you can expect a relatively short flight duration of about two and a half hours, making it an ideal route for a quick weekend getaway or a productive day trip. With multiple major carriers offering dozens of daily non-stop departures, travelers enjoy unparalleled flexibility when scheduling their itinerary to the Windy City, whether they are heading to the Loop for meetings or to Navy Pier for sightseeing.

Travel Tips

To ensure a seamless transition through Denver International Airport, it is highly recommended to arrive at least two hours before your flight, as the security lines at the Jeppesen Terminal can fluctuate significantly in length throughout the day. Once you land at O'Hare, consider using the CTA Blue Line 'L' train for an affordable and traffic-free commute to downtown Chicago; it is often much faster than taking a taxi during the grueling afternoon rush hour on the Kennedy Expressway. Given that both Denver and Chicago are known for their volatile weather patterns, including sudden snow squalls and heavy winds, always download your airline's mobile app to receive real-time gate changes or delay notifications. For those looking to save money on baggage, check the specific weight restrictions for low-cost carriers like Frontier, which frequently operate this route, as their overhead bin fees can sometimes exceed the cost of the base fare if not booked in advance.

Airport Information

Denver (DEN)

Denver International Airport (DEN) is the largest airport in North America by land area and a primary hub for United, Southwest, and Frontier Airlines. Known for its iconic tent-like roof structures that mimic the Rocky Mountains, the airport offers three concourses connected by an automated train system. It features a wide variety of local Colorado-themed dining options and rotating art exhibits that make long layovers enjoyable.

Chicago (ORD)

Chicago O'Hare International Airport (ORD) stands as one of the world's busiest aviation centers, serving as a massive hub for American Airlines and United Airlines. Located about 17 miles northwest of the Chicago Loop, it consists of four terminals and provides exhaustive international connections. The airport is famous for its colorful neon-light walkway in Terminal 1 and its massive array of retail shops and high-end lounges.

Seasonal Pricing Patterns

Finding the best value for flights from DEN to ORD requires an understanding of seasonal demand. Generally, the most expensive tickets are found during the summer peak in July and the winter holiday season in December when family travel is at its highest. To secure the lowest fares, look for flights in the shoulder seasons of late April or October. Statistically, February is the cheapest month to fly this route, provided you are willing to brave the frigid Chicago temperatures and potential lake-effect snow.

Frequently Asked Questions

How long is the non-stop flight from Denver to Chicago O'Hare?

The average flight time for a direct flight from DEN to ORD is approximately 2 hours and 20 minutes, covering a distance of about 888 miles.

Which airlines offer the most frequent service between DEN and ORD?

United Airlines and American Airlines offer the highest frequency of daily non-stop flights, while Southwest and Frontier also provide competitive daily options.

Is there a time difference between Denver and Chicago?

Yes, Chicago is in the Central Time Zone, which is one hour ahead of Denver's Mountain Time Zone.

What is the best way to get from downtown Denver to the airport?

The RTD A-Line commuter rail provides a reliable 37-minute connection from Denver Union Station directly to the DEN airport terminal for a flat regional fare.

Does O'Hare have good public transit options into the city?

Yes, the CTA Blue Line station is located within the airport and offers 24/7 service to the downtown Loop area for a very low cost compared to rideshares.

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