International travel essentials include a valid passport, travel insurance, flight tickets, and a credit card with no foreign transaction fees. Must carry at a power adapter, a portable charger, local currency, and a reliable travel wallet. Pack a universal SIM card or an international phone plan, a first-aid kit, and essential toiletries in travel-sized containers. Lastly, carry a copy of important documents, such as your passport and emergency contacts. These items will help ensure a smooth and safe international trip.