What do i do if i lost something at ontario international airport? If you lost items in the public areas of Ontario International Airport (not in security and not on your flight), feel free to contact our Lost & Found Department at (909)-544-5128 or via our Lost & Found form. Due to Covid-19, the physical office is currently closed.How do i contact the ottawa international airport authority? Contact your airline. Contact the taxi company you used to get to the Airport. See the taxi dispatcher on the inner curb of the arrivals roadway. The Ottawa International Airport Authority appreciates feedback. Please select a topic below and complete the form. Inquiries, concerns and applications are addressed to during regular business hours.How do i return a rental car to ontario airport? ONT Rental Car Return Find the ONT rental car return at 3450 East Airport Drive, Suite 500, Ontario, CA 91761. This is the same address as the rental car pickup, and you can get there by following rental car return signs as you approach the airport. Once you’ve returned your vehicle, you can head to the terminal to board your flight.What is the address for the toronto pearson international airport? Toronto Pearson International Airport. 6301 Silver Dart Drive. Mississauga, ON. L5P 1B2.