Cheap Frontier Airlines flights Denver (DEN) to Bloomington (BMI)

Use the “Price (lowest to highest)” filter on Expedia to search for cheap Frontier Airlines round-trip flights from DEN to BMI. Affordable one-way fares are available as well.**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.

Look for one-way or round-trip flights to Bloomington in January or December. You could find a cheap fare with Frontier Airlines during these off-peak months.

Search for affordable Frontier Airlines flights from Denver Intl. Airport (DEN) to Central Illinois Regional Airport (BMI) one to three months prior to your 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 day 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.

Use our “Nonstop” filter when browsing for direct Frontier Airlines flights from DEN to BMI. You can also compare other carriers offering the same nonstop journey.

Find Frontier Airlines’s earliest flights from DEN to BMI by using our “Early Morning” and “Morning” filters. Not only will you get to where you’re going 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.

Jump on a Frontier Airlines flight from Denver Intl. Airport (DEN) to Bloomington, and you’ll probably come in to Central Illinois Regional Airport (BMI). This is the airline’s main hub in this destination.

Travel from DEN to BMI with Frontier Airlines and enjoy a range of perks including a rewarding loyalty program. When you book through Expedia as a Frontier Miles 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 the type of ticket you purchased, a fee will generally apply if you modify or cancel your flight more than 24 hours after it’s been confirmed. To find flexible fares, select our “No cancel fee” or “Changes included” filter while searching for flights. For more details on canceling or changing your reservation, visit “Trips,” select your flight and click on “Manage Booking.”