We took a bus to Boma for dinner last year and it wasn't bad at all. After dinner, Animal Kingdom was still open (late EMH hours in the summer) when we left so we took a bus back to AK and then a bus to our resort, the Beach Club.
If any of the parks are still open when you are done eating you can catch a bus to the open park and then catch a bus to your resort from the park. Another possibility although usually a long travel time is to take a bus to Downtown Disney and then catch a bus to your resort from there.