Contact your airline first if you have a problem with lost suitcases or other items left on board an aircraft. Items left or lost in the public areas of Ontario International Airport, including gate areas or security checkpoints may have been turned into our Lost & Found Department.
All Items stored in our Lost & Found Department must be claimed within 90 days, or items will be disposed of. Driver License, ID, Passports and Credit Cards are only held 5 working days then returned to issuing agency or destroyed.
ONT Lost & Found