What does the airport code BUF refer to?

The airport code BUF refers to Buffalo, NY, which is home to the Buffalo Niagara International Airport. Airport codes, also known as IATA codes, are three-letter designations that are assigned to airports around the world for identification purposes. In this instance, BUF serves as the unique identifier for the airport located in Buffalo. This is significant as such codes facilitate easier communication and logistics in air travel, ensuring that travelers, airlines, and airport staff can quickly identify specific locations. Understanding airport codes is essential for passengers when booking flights, as they are often used in tickets and itineraries.

The other options provided refer to different locations that each have their own unique airport codes: Boston, MA has BOS; Albany, NY has ALB; and Denver, CO has DEN. Recognizing these distinctions is crucial for correctly interpreting flight schedules, boarding passes, and airline information.