Situated at Logan International Airport, the Frontier Airlines office in Boston mainly functions from Terminal E. Even though there is no specific office area for it, passengers can go to the customer service desk of Frontier Airlines located in this terminal for help with reserving tickets, checking in, dealing with baggage problems, and altering flights. Frontier Airlines Boston Office The personnel at the desk can assist with questions about flights, as well as with cancellations and delays. While Frontier promotes the use of its website and mobile app for flight bookings and management, the customer service desk offers in-person assistance for urgent requirements. Travelers can also reach out to Frontier's customer service via phone or utilize online options like email and live chat for additional help.