Frontier Airlines operates out of Terminal 2 at Ontario International Airport (ONT). This Frontier Airlines ONT Terminal handles all arrivals and departures for Frontier flights. Passengers can check in using self-service kiosks and enjoy amenities like free Wi-Fi, dining options, pet relief areas, and family restrooms. Shuttle services connect Terminal 2 with other airport terminals and parking areas, ensuring convenient access for travelers flying with Frontier at ONT.
