Travelling with PC on flight

A PC? Like a tower and everything? You are probably better off shipping it. Check what the airline will charge you and then look at the normal shippers. I know when shipping a PC you want to remove the tower cooler and the cards. AIO or short stock type coolers should be ok. I've never tried to take a full PC onto a plane, it will go in the cargo hold for sure. And if the airline is charging $50 a checked bag it might be cheaper to mail it.