What Terminal is Spirit Airlines at BOS? The main base of operations for Spirit Airlines is Boston Logan International Airport's Terminal B (BOS). This terminal is a busy center that provides travelers with a range of amenities and services. Ticketing counters, baggage claim areas, and security checks designed to guarantee a seamless travel experience are all located within Terminal B. In addition, the terminal has shopping centers, restaurants, and cozy seating places for travelers awaiting their flights. Spirit Airlines' gates are well signposted, and the terminal's contemporary amenities complement the airline's mission to offer economical and effective travel.
