Cheap Spirit Airlines flights Denver (DEN) to Chicago (ORD)

Set the “Price (lowest to highest)” filter on Expedia to look for cheap Spirit Airlines return flights from DEN to ORD. Affordable one-way fares are also on offer.**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.

Spirit Airlines flights to Chicago are generally cheaper in the quieter months of January and February. Whether you’re in search of a one-way or round-trip ticket, you could find a better deal then.

Search for cheap Spirit Airlines flights from Denver Intl. Airport (DEN) to O’Hare Intl. Airport (ORD) one to three months before your departure day. 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 type 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 their travel 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.

Enter your dates, press search and use the “Nonstop” filter on Expedia to find any direct flights from DEN to ORD with Spirit Airlines or other carriers.

To find the earliest departure from DEN to ORD with Spirit Airlines, filter your search by “Morning” and “Early Morning.” Booking an early flight usually means cancellations are less likely.**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.

O’Hare Intl. Airport (ORD) is the primary Chicago hub for Spirit Airlines flights from Denver Intl. Airport (DEN).

Journey from DEN to ORD with Spirit Airlines and you’ll enjoy a host of benefits starting with a rewarding loyalty program. When you book through Expedia as a Free Spirit and One Key™ member, you may also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on your ticket type, a fee is typically charged if you cancel or reschedule your booking more than 24 hours after it’s confirmed. To find flexible fares, select our “Changes included” or “No cancel fee” filter when you search for flights. To learn more about canceling or changing your reservation, head to “Trips,” select your flight and click on “Manage Booking.”