Southwest Airlines ONT Terminal is a bustling center for travelers at Ontario International Airport. The terminal was designed for efficiency and includes modern amenities to meet the demands of passengers, such as pleasant seating places and a variety of culinary options. Travelers can expect a swift check-in and pleasant treatment from the Southwest crew, who are always willing to help. With its convenient location and pleasant atmosphere, the terminal improves the travel experience, making it simple to navigate whether you're on a work trip or on vacation.