The Indian Trails bus line services Sault Ste. Marie regularly. The Mackinaw Shuttle Service also offers bus and limo service from it’s headquarters in Mackinaw City to Sault Ste Marie, the Chippewa International airport, casinos and other Upper Peninsula destinations.
Indian Trails (Located at the EUPTA bus station)
Greyhound (Located at the EUPTA bus station)
Greyhound (Ontario, Canada)
705-949-4711 or 1-800-661-8747 Website
This bus does not cross international borders. There are many cab companies that do.