Iah Airport Code Usa 2024 Calendar. Houston has two major airports. George bush intercontinental is the largest airport in texas, in the united states of america, and is known by its iata code of iah and its icao code of kiah.

Located 15 miles n of houston, texas on 10000 acres of land. Iah) consists of five separate terminals (terminals a through e) interconnected by subway (landside) and the skyway (airside),.