California’s Ontario International Airport (ONT) Terminal 4 is home to Southwest Airlines. Southwest’s domestic and some international flights are housed in Terminal 4, which has a number of facilities such check-in desks, baggage claim, and dining options. With easy security procedures and cozy seating places, the terminal offers travelers a seamless and effective experience. With an emphasis on a simplified travel experience, Southwest’s location at Terminal 4 guarantees convenient access for passengers. The well-equipped Southwest Airlines ONT Terminal provides a friendly environment for travelers, whether they are traveling for business or pleasure.