Buffalo, NY to Niagara University buses and trains from $13

Or, see buses and trains from Niagara University to Buffalo, NY.
Here are some trips other travelers have found on Routefriend.
0h 58m
0 stops
8h 49m
1 stop
Megabus Amtrak
3h 51m
2 stops
Amtrak Greyhound
16h 51m
2 stops
Megabus Amtrak