Bridgeport, CT to University of the District of Columbia buses and trains from $47

Here are some trips other travelers have found on Routefriend.
$47
6h 40m
1 stop
Metro-North Vamoose
$56
6h 28m
1 stop
Amtrak GotoBus
$59
6h 28m
1 stop
Amtrak Vamoose