Rutgers University-Newark to Northwestern University buses and trains from $100

Here are some trips other travelers have found on Routefriend.
$100
20h 16m
0 stops
Amtrak
$122
19h 37m
1 stop
Amtrak Amtrak
$168
1d 0h
2 stops
Amtrak
$197
23h 19m
2 stops
Amtrak Amtrak