Here’s a great way to find alternative ways to travel without flying: Seat 61. A lot of the site is focused on rail travel, but don’t worry there is also shipping tips too.
Maybe you don’t like flying, or are concerned about the environmental impact of flying. Or perhaps you just prefer real travel by train or ship, where the journey is part of the adventure… Either way, this website will tell you how to travel overland comfortably & affordably where you might think that air was now the only option.