Hi KSlivin and welcome to this forum of caring, supportive new friends .....
To answer your question, many of us traveled great distances for the best care of our acoustic neuromas.
My first surgery was done about a five-hour drive from my home so my husband drove us home about a week after surgery. With his help I had no difficulty but I would not have wanted to go anywhere alone.
My second surgery was done clear across the United States from where I live so it was necessary to fly for it. My husband and I flew home 10 days post-op with no trouble on my part.
As far as I know, unless you have a complication (which is rare if you go to experienced physicians), there is no contraindication to flying post-op. Most doctors want you to wait a full week post-op before flying, but that is mainly to make sure your recovery is going normally.
When I was at House in LA, there were acoustic neuroma patients there from all over the world.
Best thoughts. Clarice