Can you bring knives back from Japan?
Can you bring knives back from Japan? In other words, is knives, air guns, and other such items can be used as weapons, they cannot be brought on board the aircraft. However, they can be placed within checked baggage.
Do I have to declare a knife in checked luggage?
The TSA requires you to declare firearms, large quantities of medications, and other items, but not sharp objects. However, we would advise that you voluntarily declare knives at the check-in desk, especially if you're flying internationally.