$94 Cheap Frontier Airlines flights Phoenix (PHX) to Miami (MIA)

You’ll discover cheap return Frontier Airlines flights from $188 from PHX to MIA by sorting your results from “Price (lowest to highest)” on Expedia. Or search for options from $94 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.

Look for one-way or return flights to Miami in September or October. You could find lower fares with Frontier Airlines during these off-season months.

Start searching one to three months ahead of your travel date to find cheap fares on Frontier Airlines flights from Sky Harbor Intl. Airport (PHX) to Miami Intl. Airport (MIA). You can save 25% by booking your domestic flight 34 to 86 days in advance versus 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.* Get your timing right, and you can enjoy significant savings on domestic trips.*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.

Click on our “Nonstop” filter when browsing for direct Frontier Airlines flights from PHX to MIA. It’s also a great way to compare other carriers offering the same direct trip.

Search Frontier Airlines’s earliest flights from PHX to MIA by checking our “Morning” and “Early 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.

Miami Intl. Airport (MIA) is the main Miami gateway for Frontier Airlines flights from Sky Harbor Intl. Airport (PHX).

A rewarding loyalty program and the chance to rack up points through Frontier Miles are the start of the reasons to fly from PHX to MIA with Frontier Airlines. Plus, when you sign up to our One Key™ program, you can receive OneKeyCash™* alongside Frontier Airlines’s loyalty program earnings. It’s yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of fare you purchased, a fee may apply if you cancel or change your flight more than 24 hours after it’s been confirmed. To secure tickets with more flexibility, select our “Changes included” or “No cancel fee” filter when looking for flights. For additional information on modifying or canceling your reservation, go to “Trips,” select your flight and tick “Manage Booking.”