MPH and ICN are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. MPH to ICN refers to a flight route from Boracay Godofredo P. Ramos Airport to Incheon Intl Airport. Seoul Gimpo Intl Airport (GMP) are other airports near this flight route and their unique identifiers/IATA codes. Find deals