Columbia University in the City of New York to Erie, PA buses and trains from $125

Here are some trips other travelers have found on Routefriend.
$125
11h 42m
1 stop
Metro-North Amtrak
$154
11h 34m
2 stops
Metro-North Amtrak
$179
14h 22m
2 stops
Metro-North Amtrak
$183
16h 22m
2 stops
Metro-North Amtrak