The man cracked the joke while passing through airport security, summoning both police and security guards. His fictitious remark comes just hours before US President Barack Obama is due to touchdown in Stockholm for a two-day visit.
"He said he had dynamite in the bag," Albin Näverberg of the Stockholm police told news agency TT.
Whether or not the man, who was suppose to travel somewhere in Scandinavia, faces any legal penalties is unclear. Either way, Albin Näverberg said, the passenger was not allow to board his flight.