Washington, DC to Hampton University buses and trains from $26

Or, see buses and trains from Hampton University to Washington, DC.
Here are some trips other travelers have found on Routefriend.
$26
4h 19m
1 stop
Amtrak Megabus
$26
6h 40m
1 stop
Amtrak Megabus
$65
13h 15m
1 stop
GotoBus GotoBus
$124
11h 19m
1 stop
Amtrak GotoBus