$95 Cheap Frontier Airlines flights Chicago (ORD) to Miami (MIA)

You’ll find affordable round-trip Frontier Airlines flights from $163 from ORD to MIA by filtering your results from “Price (lowest to highest)” on Expedia. Or look for options from $95 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.

September is one of the most affordable months to jet off to Miami with Frontier Airlines. You could also find excellent prices on one-way and round-trip fares in October.

Begin your search one to three months before your departure to find cheaper fares on Frontier Airlines flights from O’Hare Intl. Airport (ORD) to Miami Intl. Airport (MIA). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic journeys.*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, hit search and use the “Nonstop” filter on Expedia to find any direct flights from ORD to MIA with Frontier Airlines or another carrier.

Search Frontier Airlines’s earliest flights from ORD to MIA by checking the “Early Morning” and “Morning” filters. Not only will you get to where you’re going sooner, early departures also have a 20% less chance of being canceled.**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.

Frontier Airlines flights from O’Hare Intl. Airport (ORD) to Miami touch down at Miami Intl. Airport (MIA). This is the main entry point here.

A rewarding loyalty program and the chance to rack up points through Frontier Miles are the start of the reasons to depart from ORD to MIA with Frontier Airlines. Plus, when you sign up to Expedia’s free One Key™ program, you can earn OneKeyCash™* in addition to any airline loyalty program earnings. It’s yours to spend on future bookings.*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 reschedule your flight, although additional charges may apply if you booked more than 24 hours ago. Prefer to keep your options open? Use our “Changes included” and “No cancel fee” filters to find flights that won’t penalize you if you need to alter your plans. To modify your itinerary, head to “Trips,” select your flight and click on “Manage Booking” for more information.