It depends how large it is. If it will fit in the carry on luggage allowance then that is the best bet. When I took my weding dress we rang the airline to check if they would accept it as hand luggage.
The best thing to do is know in advance, the last thing you want is the airline telling you at checkin that it must go in the hold and you not having a suitable carrier.
Dreams Unlimited Travel is committed to providing you with the very best vacation planning experience possible. Our Vacation Planners are experts and will share their honest advice to help you have a magical vacation.