Beacon, NY to Washington, DC buses and trains from $47

Here are some trips other travelers have found on Routefriend.
$47
6h 4m
1 stop
Metro-North GotoBus
$78
6h 43m
2 stops
Metro-North Amtrak
$165
4h 31m
1 stop
Metro-North Amtrak
$?
6h 58m
1 stop
Metro-North Amtrak