"spill over onto" is correct and usable in written English.
You can use it when something overflows, either literally or figuratively, from one situation into another. For example: "The excessive workload from the previous project spilled over onto the team's new assignment."
His fame didn't incorporate us children; he very much felt that, although he was famous, it shouldn't spill over onto us.
This effect refers to the dynamic in which employee attitudes seem to spill over onto customers in service encounters.
An enhanced level of staff satisfaction with the work environment will likely spill over onto clients and increase satisfaction with service quality.
Similar results were found for the posterior cingulate region in the patient group, with significantly lower uptake found using route 2. One hypothesis that may be proposed is that the white matter PET signal could easily spill over onto the posterior cingulate because of the latter's proximity to dense white matter fibres.
Maybe the stability of that relationship will spill over onto the rest of us".
The discounting in brick-and-mortar stores will spill over onto the Web starting today.
Such a phenomenon may also spill over to non-managed care enrollees, as prior studies have shown managed care practices influence and spill over onto other market constituents, including Medicare FFS enrollees [13, 14].
I was hoping everything would not spill over from my bag onto the dusty dirt nighttime ground.
When you take a swim, it feels like you're about to spill over the edge and onto glittering Singapore beneath you.
The news means that Apple vs Google fight is going to spill over from smartphones and tablets onto the automotive industry.
"They haven't had blockbuster films [before]," says Bonner, who describes one screening so packed that the audience spilled over from the seats onto the theatre's steps.
