Definition Of Travel Expenses Includes transportation, meals, and lodging related to a trade, business, or employee status incurred while away from the taxpayers tax home Deductible amount of travel expenses may be reduced if actual expenses are lavish or extravagantDefinition Of Travel Expenses • Includes transportation, meals, and lodging related to a trade, business, or employee status incurred while away from the taxpayer’s tax home • Deductible amount of travel expenses may be reduced if actual expenses are lavish or extravagant