The Way Back Home by Oliver Jefferies

Once there as a boy, and one day, he found an aeroplane in his cupboard... He didn't remember leaving it in there, but he thought he'd take it out for a go right away.
At first, all went well and the plane flew higher and higher and higher until... suddenly, with a splutter, it ran out of petrol. The boy was stuck on the moon...
and he was not alone...