Frontier Airlines MIA Terminal Miami International Airport's (MIA) Terminal E is home to Frontier Airlines. This terminal has all the modern conveniences you might want, like stores, restaurants, and cozy seating places. In addition to convenient access to baggage claim and ground transportation, passengers can benefit from quick and straightforward check-in and security procedures. For Frontier Airlines passengers, Terminal E guarantees a comfortable experience, making their trip through Miami even more enjoyable.