One of the planes crashed into a field near Carp Airport while another was redirected to Ottawa International Airport, where it was able to land safely.
Deschamps said no one in the other plane was reported to have injuries.
One person died but two others were uninjured in a midair collision between a Piper Cheyenne and another unidentified aircraft near Canada's capital city of Ottawa on Sunday.
Police say it is not yet known how many people were aboard each aircraft.
Witnesses told CTV's Mike Arsalides the occupants of the plane that landed at the Ottawa Airport were a father and son.More news: At Least 2 Dead In Building Collapse At Amazon Warehouse In Baltimore
They were not hurt during the collision.
Police closed off a section of McGee Side Road between the westbound off ramp of Highway 417 and William Mooney Road.
Paramedic were quick to arrive to the scene and the injured person was rushed to the hospital.
"One aircraft fell out of the sky and unfortunately there was a fatality", said Beverley Harvey, a senior investigator with the National Transportation Safety Board (NTSB).