How does the bounty system work?
Is it possible to transfer a bounty from one question to another question?
This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
No, it is not possible for you to transfer a bounty from one question to another. Bounties are a one way street.
However, moderators do have the ability to refund a bounty, at their discretion. To avoid being used as proxies to game the bounty system, we don't do that without a compelling reason.
You have not indicated if the bounty has been awarded, or if it's still open. If it's been awarded, there's nothing we can do.
If it's still open, flag the question with the bounty and let us know why you'd like it refunded. Let us know where you intend to place it. We may ask that you place the bounty on the correct question first before refunding it - it all depends on the explanation you provide and the bounty.
In any event, your first step is to flag the question, select
Remember, we reserve the right to say 'No' to such requests, and very often do. That's why you should take care when placing bounties (which the system strongly encourages you to do).