Frontier Airlines operates out of Terminal E at Boston Logan International Airport (BOS). Frontier Airlines BOS Terminal, primarily serving international flights, accommodates Frontier's domestic and budget-friendly operations. Travelers flying Frontier can enjoy easy access to check-in counters, streamlined security processes, and a range of dining and shopping options within the terminal. Terminal E's modern facilities and convenient location make it an excellent choice for passengers. Always check flight information and terminal updates before traveling, as gate assignments may vary.