Justin Bieber isn't letting 3 criminal investigations in 2 countries cramp his style ... he's just gone wheels up -- with the Super Bowl as the final destination ... TMZ has learned.
Bieber chartered a private jet Friday from Canada for the big game on Sunday. He's in the air right now.
We're told Justin's planning to attend some pre-game parties, and he brought along some friends for the ride ... and his dad.
As for the over-under on whether there will be a 4th investigation by the end of the weekend ....