Frontier Airlines Boston Terminal  providing travelers with affordable and convenient flight options. As a budget airline, Frontier is known for offering low-cost fares while ensuring a comfortable travel experience. At Boston Logan, Frontier Airlines typically uses Terminal E, which is the airport’s international terminal. Although Frontier primarily offers domestic flights, this terminal provides passengers with access to a range of amenities and services, including dining options, retail stores, and efficient security checkpoints. Whether you’re flying for business or leisure, Frontier Airlines at Boston Logan makes air travel easy and accessible.