answer:This is my recommendation, but I haven’t travelled by air since before 9–11, so I don’t know what all the new rules are, check them first. Passport and ID. should be in a case around his neck, so he can put it under his shirt when he doesn’t need it. Any medications he will need. A change of socks and underwear, just in case his luggage is delayed. A book or something to occupy him on any layovers or during the flight. A pen and a small journal. He should write something in it every day. toiletries.