$109 Cheap Delta flights Chicago (ORD) to Denver (DEN)

You’ll discover affordable return Delta Air Lines flights from $211 from ORD to DEN by sorting your results from “Price (lowest to highest)” on Expedia. Or look for bargains from $109 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Delta Air Lines flights to Denver are generally more affordable in the off-peak months of January and November. Whether you’re in search of a return or one-way ticket, you could score a better deal then.

Search for cheap Delta Air Lines flights from O’Hare Intl. Airport (ORD) to Denver Intl. Airport (DEN) one to three months ahead of your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and journey, the ideal day to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Fill in your dates, press search and select “Nonstop” on Expedia to browse any direct flights from ORD to DEN with Delta Air Lines or another carrier.

To find the earliest departures from ORD to DEN with Delta Air Lines, filter your results by “Early Morning” and “Morning.” Choosing an early flight generally means you’ll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Denver Intl. Airport (DEN) is the main Denver gateway for Delta Air Lines flights from O’Hare Intl. Airport (ORD).

Offering a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is a popular option for many passengers flying from ORD to DEN. What’s more, if you’re a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s generally possible to cancel or modify your flight, although there may be additional charges if you made your booking more than 24 hours ago. Need flexible options? Use our “No cancel fee” or “Changes included” filter to find flights that won’t charge you extra if you have to alter your plans. To modify your booking, head to “Trips,” select your flight and click on “Manage Booking” for more details.