Yes, you can absolutely bring and eat your own food at the airport in 2026, which is a popular way to save money and cater to specific dietary needs. You can bring solid foods—such as sandwiches, fruit, protein bars, or even a slice of pizza—through security without issue. The primary restriction remains the 3-1-1 liquid rule: any "spreadable" or "liquid" foods like yogurt, hummus, peanut butter, or soups must be in containers of 3.4oz (100ml) or less and fit in your single quart-sized clear bag. Most airports have ample seating in the "airside" departure lounges where you can comfortably enjoy your meal. For 2026 travelers, it is a "pro-tip" to avoid "stinky" foods like tuna or heavy garlic out of respect for fellow passengers in the terminal or on the plane. Also, remember that if you have an international connection, you may have to dispose of any fresh fruits or meats before clearing customs at your final destination due to agricultural laws.