California Institute of Integral Studies to Sonoma State University buses and trains from $31

Here are some trips other travelers have found on Routefriend.
$31
2h 42m
2 stops
BART Amtrak
$32
2h 34m
3 stops
BART Amtrak
$32
2h 34m
2 stops
BART Amtrak
$33
2h 40m
2 stops
Amtrak
$33
3h 15m
2 stops
Amtrak
$34
2h 43m
2 stops
BART Amtrak
$37
5h 36m
3 stops
BART Amtrak
$37
3h 6m
2 stops
BART Amtrak
$38
3h 43m
2 stops
BART Amtrak