Business Travel Deductions: What's Fully Deductible and What's Not
Business travel — flights, hotels, car rentals, meals — is fully deductible when you're 'away from your tax home' for business. Meals are 50% deductible. Entertainment is no longer deductible at all. Here's exactly what survives IRS scrutiny.
The "Away From Your Tax Home" Requirement
Travel deductions under IRC §162 require that you be away from your tax homefor a period substantially longer than an ordinary workday, in a manner that makes it necessary to sleep or rest to meet business demands.
Your "tax home" is your regular place of business — not necessarily where you live. If you live in Pasadena but work primarily in downtown Los Angeles, Los Angeles is your tax home. Driving to the office is commuting (not deductible), but flying to a client in Chicago is travel (deductible).
A day trip that doesn't require overnight rest typically doesn't qualify as "travel." The overnight-rest rule is firm.
What's 100% Deductible
- Airfare, train, bus: The full cost of transportation to the business destination
- Hotel / lodging: Actual cost of your accommodation
- Car rental: Full cost of renting a vehicle at the destination for business use
- Baggage and shipping: Costs of transporting business materials
- Laundry and dry cleaning: During a business trip away from home
- Tips: On all deductible travel services
- Phone and internet: Business-related communication costs while traveling
Meals: 50% Deductible
Meals incurred while traveling away from your tax home for business are 50% deductible under IRC §274(n). The 50% limitation applies to both the cost and the applicable tax and tip — it is not 50% of food + 100% of tip.
The per diem alternative: instead of tracking actual meal costs, you can deduct the IRS-approved per diem rate for the destination (typically $59–$79/day for most US cities in 2024–2025, higher for high-cost areas like New York and San Francisco). The per diem method simplifies recordkeeping.
The Tax Cuts and Jobs Act eliminated the business entertainment deduction entirely for expenses incurred after December 31, 2017. Client dinners where entertainment is the primary purpose (sports events, concerts, golf) are 0% deductible. A meal before or after a sporting event is 50% deductible only if it is a separate expense with a documented business discussion.
Mixed Business-Personal Travel
If a trip has both business and personal components, the allocation rules depend on the primary purpose:
- Primary purpose = business (domestic): Transportation is 100% deductible. Hotel and meals are deductible only for the business days.
- Primary purpose = personal (domestic): No transportation deduction. Any business days' hotel and meals are deductible.
- International travel: If the trip is 7+ days and more than 25% is personal, transportation must be allocated. Under 7 days or less than 25% personal: 100% of transportation is deductible.
Documentation Requirements
IRC §274(d) requires four elements for every travel expense: amount, time (dates), place, and business purpose. Receipts for lodging are always required. For other expenses over $75, receipts are required. Below $75, a detailed log entry suffices.
IRC §162 (ordinary and necessary business expenses), IRC §274 (disallowance of certain entertainment, etc. expenses), IRC §274(d) (substantiation requirements), IRC §274(n) (50% meal limitation). IRS Publication 463 (Travel, Gift, and Car Expenses). Rev. Proc. 2019-48 (per diem rates).
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