Need smaller case to take on flight

Hey guys, so I'm going to be flying somewhere soon and since I'll be there for a while, I'll be taking my PC. However, I have an H440, And I don't really see any way I could get this thing on a plane. What's the smallest most compact ATX case available that I could take on a plane? I have a z97 gaming 5 mobo and a gtx 970. I also have an h100i so that has to fit in the case. Please help me!