Travel costs refer to the expenses incurred when planning and undertaking a trip. These costs can include transportation fees, such as airfare or gas for driving, as well as accommodation expenses for hotels or rentals. Additionally, travelers may need to budget for meals, activities, and travel insurance, which can vary based on the destination and duration of the trip. When calculating travel costs, it is essential to consider both fixed and variable expenses. Fixed costs, like airfare and hotel bookings, are usually set in advance, while variable costs, such as meals and entertainment, can fluctuate based on personal choices and preferences. Understanding these costs helps travelers plan their budgets effectively.