George Bush Intercontinental Airport (IAH) through Terminal D, where it provides easy check-in for foreign visitors, access to the Turkish Airlines IAH Terminal Lounge for Business Class customers, and a variety of eating options. To ensure a seamless check-in, security, and boarding experience, aim to arrive at least three hours prior to your international flight. Utilize the Turkish Airlines app to stay up to date on flight status, and take use of the contemporary facilities and services offered at IAH Terminal D for a relaxing pre-flight encounter.