Kingston, NY to Columbia University in the City of New York buses and trains from $34

Here are some trips other travelers have found on Routefriend.
$34
1h 49m
1 stop
Amtrak Metro-North
$35
2h 48m
1 stop
Amtrak Metro-North
$56
4h 52m
2 stops
Amtrak Metro-North
$60
4h 24m
2 stops
Amtrak Metro-North
$84
6h 13m
2 stops
Amtrak Metro-North
$100
6h 43m
2 stops
Amtrak Metro-North