The additional month of suspended flights begins on July 22, according to a statement from the civil aviation authority.
International flights were first suspended in March as the spread of the virus prompted authorities to impose measures to better contain it.
The country's Tocumen airport is a major hub for Panama-based Copa Airlines, which like other carriers has been hard hit by the pandemic.
As of Friday, Panama had reported 51,408 total cases of the coronavirus and 1,038 deaths.
© Reuters, aero.uk | 18/07/2020 08:34