What is the airport code for Houston, Texas?

The airport code for Houston, Texas, is indeed HOU. This code corresponds specifically to William P. Hobby Airport, which serves as one of the primary airports in the Houston area for domestic flights and some international services. HOU is widely recognized in the aviation industry and by travelers as the designated code for this airport, making it essential for booking flights, checking flight statuses, and navigating airport logistics.

Other airport codes listed in the choices correspond to different airports. HSV stands for Huntsville International Airport in Alabama, IND represents Indianapolis International Airport in Indiana, and MCI indicates Kansas City International Airport in Missouri. Each of these codes uniquely identifies its respective airport, making HOU the correct choice for Houston, Texas.