Norwalk, CT to Providence, RI buses and trains from $32

Here are some trips other travelers have found on Routefriend.
$32
4h 6m
1 stop
Metro-North Greyhound
$34
5h 25m
1 stop
Metro-North Megabus
$34
4h 59m
1 stop
Metro-North Greyhound
$36
5h 16m
1 stop
Metro-North Greyhound
$37
4h 6m
1 stop
Metro-North Greyhound
$44
2h 21m
1 stop
Metro-North Amtrak
$47
3h 2m
1 stop
Metro-North Amtrak
$47
7h 0m
2 stops
Metro-North Greyhound
$49
6h 34m
2 stops
Metro-North Greyhound
$50
10h 59m
3 stops
Metro-North Greyhound
$54
2h 44m
1 stop
Metro-North Amtrak
$63
4h 41m
1 stop
Metro-North Amtrak
$77
4h 11m
1 stop
Metro-North Amtrak
$117
15h 11m
3 stops
Metro-North Greyhound
$?
7h 19m
1 stop
Metro-North Greyhound
$?
7h 43m
2 stops
Metro-North Amtrak