St. Louis, MO to Omaha, NE buses and trains from $82

Or, see buses and trains from Omaha, NE to St. Louis, MO.
Here are some trips other travelers have found on Routefriend.
$82
8h 35m
1 stop
Greyhound
$92
15h 0m
1 stop
Amtrak
$110
15h 40m
1 stop
Greyhound Amtrak
$123
15h 40m
2 stops
Greyhound Amtrak
$146
19h 45m
2 stops
Greyhound Amtrak