What is the airport code for Boston, Massachusetts?

The airport code for Boston, Massachusetts, is BOS, which stands for Boston Logan International Airport. Each major airport around the world has a unique three-letter IATA code designed to simplify the identification of airports in flight itineraries, ticketing, and baggage handling. In the case of Boston Logan, the first letter 'B' is derived from Boston, while 'OS' indicates that it is an important and recognizable airport associated with the city.

Other codes given in the choices correspond to different locations: BUF refers to Buffalo, New York; DEN is for Denver, Colorado; and FAR refers to Fargo, North Dakota. Knowing these distinctions is essential for identifying airports accurately, especially for travel planning and logistics in the airline industry.