Gimpo International Airport an extension to Seoul Station which opened in December 2010. Seoul Subway Line 9 also links the airport to the Gangnam area. For many years, the airport was served by the Gimpo Line, a railway line that no longer exists. In the 1990s, Seoul Subway Line 5 was extended to Gimpo. Gimpo International Airport Gimpo International Airport ( ), commonly known as Gimpo Airport (formerly Kimpo International Airport), is located in the far western end of Seoul, some west of the Central District of Seoul. Gimpo was the main international airport for Seoul and South Korea before being replaced by
Falls International Airport two small airports on the Canadian side: Falls International Airport Falls International Airport is a city-owned public-use airport located in International Falls, a city in Koochiching County, Minnesota, United States. It is mostly used for general aviation but is also served by one commercial airline with scheduled passenger service subsidized by the Essential Air Service program. As per Federal Aviation Administration records, the airport had 16,590 passenger boardings (enplanements) in calendar year 2008, 15,861 enplanements in 2009, and 14,051 in 2010. It is included in the National Plan of Integrated Airport Systems for 2017–2021, which categorized it as a "primary