Long Island University-C W Post to Columbia University in the City of New York buses and trains from $11

Here are some trips other travelers have found on Routefriend.
$11
0h 19m
0 stops
Metro-North
$27
2h 43m
1 stop
Metro-North Metro-North
$36
0h 49m
1 stop
Amtrak Metro-North
$36
1h 12m
1 stop
Amtrak Metro-North
$39
2h 22m
1 stop
Amtrak Metro-North
$44
2h 46m
1 stop
Amtrak Metro-North
$47
2h 36m
2 stops
Amtrak Metro-North
$67
4h 16m
2 stops
Amtrak Metro-North