Houston Hobby Airport houses a single terminal split into three levels, provided with both the International and Central Concourses.

The Central Concourse has boarding gates 20 to 50, used mostly for domestic flights.

The International Concourse has five gates, just for international flights, out of which four are for Southwest international.

Level 1

Level 1 houses the arrivals area for both domestic and international flights. Along with baggage claim area and services such as ATMs, information desks, chapel, animal relief area, and more.

Access is available from this level to the Ecopark and Red Garage.

Level 2

Level 2 is dedicated to the departures and also ticketing area.

Once cleared security, passengers then can access boarding gates to further amenities and concessions.

Passengers should note that this level is attached to the Red Parking Garage through levels 2 to 4.

Level 3

Level 3 has the pedestrian bridge, which connects to the Blue Garage.