There have been many posts in this forum about the subject, you may want to search through. In general I believe at the size your aneurysm is, the risk of dissection or rupture is very small so travel should be ok as the Dr has cleared you, you don’t want to travel when an aneurysm grows close a critical zone. The thing to keep in mind is that the weight lift restrictions (actually tied to BP spikes) applies to suitcases, be mindful of that