Newark Airport, NJ to Boston University buses and trains from $60

Or, see buses and trains from Boston University to Newark Airport, NJ.
Here are some trips other travelers have found on Routefriend.
$60
4h 49m
0 stops
Amtrak
$81
4h 22m
1 stop
NJTransit Amtrak
$88
4h 21m
1 stop
CoachUSA Amtrak