Use when talking about something you're doing now with the purpose of achieving a future goal. He's studying Spanish with a view to moving to Spain.
Pro Tip 2/3
Preparation Step
Expresses that a current action is a preparatory step towards a larger plan or intention. I'm saving money with a view to buying a house.
Pro Tip 3/3
Serious Intent
It implies a serious and thoughtful intent, rather than a casual or undecided one. The committee is reviewing the policy with a view to making significant changes.