incheon international airport opened on march 29th, 2001. it was built on reclaimed land between yongjongdo and youngyudo. first stage of building started in 1992 and it took eight years and four months to finish. it cost 7.8 trillion won. this allowed incheon international airport to have up to 170,000 flights, 27,000,000 passengers and 1,700,000 tons of cargo per year. stage two began in 2002 and was completed on june 20th 2008. the airport now has the capacity of holding 410,000 flights, 44,000,000 passengers, and 4,500,000 tons of cargo per year. when the airport is finished in 2020, it will have two passenger terminals, four satellite concourses, 128 gates, and four parallel runways. it will be able to have up to 100 million passengers, and 7 million tons of cargo per year.