Danbury, CT to Portland, ME buses and trains from $80

Or, see buses and trains from Portland, ME to Danbury, CT.
Here are some trips other travelers have found on Routefriend.
$80
8h 13m
2 stops
Metro-North Amtrak
$139
8h 10m
2 stops
Metro-North Amtrak
$?
13h 22m
4 stops
Metro-North Amtrak
$?
16h 42m
3 stops
Metro-North Amtrak