Southwest Airlines ONT Terminal located in Terminal 4 at Ontario International Airport, provides a hassle-free experience with its simple layout and convenient services. Within the terminal, passengers can quickly locate boarding gates, TSA security, and check-in booths. For visitors wishing to get a bite to eat or shop before their flight, there are plenty of restaurants and stores to choose from. For Southwest travelers, the terminal is designed to be both efficient and comfortable.
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Southwest Airlines ONT Terminal
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