Lincoln, NE to Denver, CO buses and trains from $72

Or, see buses and trains from Denver, CO to Lincoln, NE.
Here are some trips other travelers have found on Routefriend.
$72
8h 1m
0 stops
Amtrak
$269
1d 8h
2 stops
Amtrak Greyhound
$287
2d 15h
4 stops
Amtrak Greyhound