Yes, bringing your own food on a plane is highly recommended in 2026, especially for domestic or short-haul flights where "buy-on-board" options are often expensive and limited. Bringing your own snacks or meals ensures you have food you actually like and helps you avoid high airport terminal prices. You are permitted to bring solid foods (sandwiches, fruit, nuts, or even a full salad) through security, provided they are not in a liquid or gel form. Items like yogurt, hummus, or soups must still follow the 3.4oz (100ml) liquid rule. For long-haul international flights, while meals are usually provided, having your own "emergency" snacks is a smart way to manage hunger between services or in case of a delay. Always be mindful of your fellow passengers by avoiding "smelly" foods like fish or heavy onions, and remember that any uneaten fresh produce (fruit/meat) must usually be discarded before you clear customs in a foreign country.