Terminal 1 was opened on 3 May 1970, replacing the old Overseas Passenger Terminal (which was located where Terminal 3 stands now) and has been greatly expanded since then.
Terminal 1 dibuka pada 3 Mei 1970, menggantikan Terminal Penumpang Seberang Laut lama (yang berlokasi d tempat terminal 3 berada sekarang) dan mengalami perlusan besar sejak saat itu.