Have you contacted your pdoc? If you are on any meds, such as mood stabilizers, etc. your may need an adjusment or change. With proper meds, and even include some talk therapy, this "flight" can be cancelled or minimized.
Minimal hypomania which I have grown to feel is not always due to any mental disorders but possible come from our physical self, hormone and or thyroid imbalances, which can occur rather one has a mental disorder or not, it's a good idea to check if there are health issues that may contribute to symptoms that can appear to be manic or hypomanic behaviour.
If you have been DXed with Bipolar disorder by a psychiatrist and have started treatment with him or her, I suggest you keep them abreast to what's happening.
Good communications with your pdoc really is important for any positive outcome, we can't always get through this without professional help.
We all get energies flowing sometimes and doesn't mean we are hypomanic, but just happy and maybe excited about positive things happening in our lives, even a thing like certain seasons can spark some mental and physical energy, so try not to fall into a trap (I almost did) of reading into this as being hypomanic, at the same time keep in check with your pdoc, as a preventative measure.
Oh, BTW, Welcome to PC and PC's Bipolar forum, hang out, you'll meet a lot of nice people who also share the same disorder, the support and info amongst those here, I find to be a safe harbour, when seeking refuge.
This forum can even offer some laughs, for many of us still have our senses of humour.
Hope you find what you were hoping to.
Take care,
DE