$64 Cheap Frontier Airlines flights Cedar Rapids (CID) to Denver (DEN)

You can discover affordable return Frontier Airlines flights from $125 from CID to DEN by sorting your results from “Price (lowest to highest)” on Expedia. Or search for bargains from $64 for a one-way journey.**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.

Frontier Airlines flights to Denver are often cheaper in the low-season months of January and November. Whether you’re searching for a one-way or round-trip ticket, you could land a better deal then.

For cheap Frontier Airlines fares from Eastern Iowa Airport (CID) to Denver Intl. Airport (DEN), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the cost. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**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.

To find out if there’s a direct route from CID to DEN with Frontier Airlines or other carriers, select the “Nonstop” filter when browsing for flights.

Find Frontier Airlines’s earliest flights from CID to DEN by using the “Early Morning” and “Morning” filters. Not only will you arrive at your destination sooner, early departures also experience 20% 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.

Board a Frontier Airlines flight from Eastern Iowa Airport (CID) to Denver, and you’re most likely to come in to Denver Intl. Airport (DEN). This is the airline’s main hub in this city.

With a rewarding loyalty program, Frontier Airlines is a popular choice for many passengers flying from CID to DEN. Plus, if you’re a Frontier Miles and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

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