I'm on elementary OS Freya.
On Luna, one could use Shift+Super+Right to move a window from this workspace to the next workspace.
In Freya, I've noticed that when I have multiple monitors connected, the shortcut simply moves a window from one screen to the next screen to the right. Without multiple monitors connected, the shortcut doesn't work, the window stays on the current workspace.
My keyboard shortcut settings are pretty standard:
Has this functionality changed in Freya? Interestingly enough, I can do Shift+Super+Left and it works okay if I'm not on the first workspace.