American University to Lancaster, PA buses and trains from $44

Or, see buses and trains from Lancaster, PA to American University.
Here are some trips other travelers have found on Routefriend.
$44
5h 49m
2 stops
Megabus Amtrak
$54
3h 19m
1 stop
Amtrak
$74
11h 58m
2 stops
Megabus Amtrak