KLM Airlines BOS Terminal is based out of Boston Logan International Airport's (BOS) Terminal B. To improve your journey, this airport has a number of attractions, such as shopping, dining options, and cozy lounges. Easy gate access, effective security, and a smooth check-in process are all available to passengers. The committed team at KLM makes sure that everything runs smoothly from check-in to boarding, adding to the pleasure of your trip. Terminal B has everything you need to have a comfortable journey.