It’s a very extended flight and there are plenty of people today on board. Maybe a warm washcloth now then to freshen up The least age for a child to fly alone is 5, but airlines offering an unaccompanied slight (UNMR) assistance could have their own personal age restrictions. I'd https://dmozbookmark.com/story18553646/indicators-on-first-class-flights-from-sydney-to-london-you-should-know