Carry-on: If possible, it is best to carry the wedding dress on the plane as a carry-on item. This ensures that the dress will be with you at all times and will not be lost or damaged in transit. Use a garment bag that is specifically designed for dresses and hang it in the overhead compartment or in the closet on the plane. Check-in: If the dress is too large to be a carry-on item, it can be checked in as luggage. Use a sturdy, breathable wedding dress bag or box to protect the dress during transit. Make sure the dress is well-secured and properly labeled.