You can deduct travel expenses on your taxes when a trip takes you away from your tax home overnight for a legitimate business purpose. Self-employed filers claim these costs on Schedule C; a narrow group of employees uses Form 2106. Deductible costs include airfare, lodging, rental cars, half the price of your meals, and 72.5 cents per mile if you drive your own car in 2026.1Internal Revenue Service. IRS Sets 2026 Business Standard Mileage Rate at 72.5 Cents Per Mile, Up 2.5 Cents The catch is documentation: travel is one of the few expense categories where the IRS does not allow estimates.
Does Your Trip Qualify
Three conditions have to line up before any cost becomes deductible.2Internal Revenue Service. Publication 463 (2025), Travel, Gift, and Car Expenses
First, you must travel away from your tax home. Your tax home is the entire city or general area where your principal place of business sits, not necessarily where your family lives. If you work in Dallas but your family lives in Houston, Dallas is your tax home, and the drive between the two is a personal commute.
Second, the trip must be long enough that you need to sleep or rest to keep working. A same-day trip across town does not count, even with a business meeting on the calendar. The overnight requirement is the line between deductible travel and nondeductible local transportation. Driving from your office to a client’s site across town is still deductible as local business transportation, but driving from home to your regular office is commuting and never qualifies.
Third, the assignment has to be temporary. Work at a single location that is realistically expected to last one year or less, and actually lasts one year or less, is temporary. Anything expected to run longer is indefinite, and the new location becomes your tax home. Travel expenses there stop being deductible from that point on.
Also, the reason for the trip has to be ordinary and necessary for your work under 26 USC 162, the general rule for trade or business expenses.3Office of the Law Revision Counsel. 26 USC 162 – Trade or Business Expenses Lavish or extravagant costs are excluded, though in practice the more common disqualifier is a missing business purpose.
One boundary worth knowing: if your employer reimburses you under an accountable plan, the reimbursement is not taxable and you do not deduct the same expenses on your own return. And for tax years 2018 through 2025, most W-2 employees cannot deduct unreimbursed travel at all. The suspension is scheduled to expire after 2025, but pending legislation could extend it, so employees should confirm the current status before claiming anything on a personal return.
What You Can Deduct
Once a trip qualifies, the following costs are on the table:4Internal Revenue Service. Topic No. 511, Business Travel Expenses
- Airfare, train, and bus tickets between your tax home and the business destination, at full cost.
- Taxi and rideshare fares between airports, hotels, and work locations.
- Your own car, using either the 2026 standard mileage rate of 72.5 cents per mile or actual expenses like gas, oil, insurance, and depreciation. Parking and tolls are deductible on top of either method.
- Rental cars, but only the business-use share. Split the cost if you also used the car for personal outings.
- Lodging at actual cost. Self-employed filers have no standard lodging allowance; hotel bills must be substantiated with receipts.
- Meals at 50 percent, including tax and tip. Workers subject to Department of Transportation hours-of-service rules, such as long-haul truck drivers and certain airline crew, deduct 80 percent. The temporary 100 percent restaurant meal deduction expired after 2022 and does not apply for 2026.5Internal Revenue Service. Heres What Businesses Need to Know About the Enhanced Business Meal Deduction
- Incidentals: dry cleaning, laundry, tips for baggage handlers and hotel staff, and business-related phone calls or internet access.
Trips That Mix Business and Personal Time
Most business trips include some personal time, and the rules split by destination.
Domestic Trips
Within the United States, the primary-purpose test controls your transportation costs. If the trip is primarily for business, the round-trip airfare or driving costs are fully deductible even if you add personal days on either end. You just cannot deduct hotels, meals, or other daily costs during the personal portion. If the trip is primarily personal, the transportation cost is not deductible at all, though expenses tied directly to business activities at the destination still are. A token meeting scheduled during a vacation will not flip the trip.
International Trips
Outside the United States, you generally have to prorate round-trip transportation when you mix business and personal days. The deductible fraction is business days outside the country divided by total days outside the country. Business days include days you worked, days your presence was required, transportation days, and weekends or holidays between business days.
You can skip the allocation if you meet an exception. The two most useful are that you spent no more than seven consecutive days outside the United States (not counting the departure day), or that less than 25 percent of the total travel time was personal.
Bringing Your Spouse
Travel costs for a spouse or dependent are not deductible unless all three of these are true: the companion is an employee of the business, the travel serves a genuine business purpose, and the expenses would otherwise be deductible on their own.6Internal Revenue Service. Spousal Travel Attending a client dinner does not clear that bar.
Per Diem for Meals: The Recordkeeping Shortcut
If tracking every restaurant receipt is not appealing, you can use a standard meal allowance instead of actual costs. Self-employed filers can use per diem for meals and incidentals only. Lodging always has to be claimed at actual cost with receipts.7Internal Revenue Service. Per Diem Payments Frequently Asked Questions
Federal meals and incidental expenses rates for fiscal year 2026 run from $68 to $92 per day depending on destination, with $68 as the standard rate for most locations.8U.S. General Services Administration (GSA). GSA Per Diem Bulletin FTR 26-01 The IRS also offers a simplified high-low method: for travel on or after October 1, 2025, the rate is $319 per day for high-cost localities and $225 per day for everywhere else, with $86 and $74 of those amounts treated as the meal portion subject to the 50 percent limit.9Internal Revenue Service (IRS). 2025-2026 Special Per Diem Rates (Notice 2025-54)
Per diem eliminates the need for individual meal receipts, but you still have to document dates, destinations, and business purpose. And the 50 percent meal limit applies to the per diem amount the same way it applies to actual costs.
Records You Need to Keep
Travel falls under a strict substantiation rule in 26 USC 274 that does not allow estimation.10Office of the Law Revision Counsel. 26 USC 274 – Disallowance of Certain Entertainment, Etc., Expenses Courts sometimes let taxpayers estimate deductions with incomplete records under the Cohan rule, but that rule does not apply to travel, meals, or lodging.
Your log needs four elements for each expense:
- Amount: the exact cost of each separate expense for transportation, lodging, and meals.
- Time: dates of departure and return, and the number of days spent on business.
- Place: the destination city or area.
- Business purpose: a brief description of the reason for the trip or the benefit you expected.
Make the entries at or near the time the expense is incurred. Reconstructing a whole year’s travel in April is both hard and exactly the pattern that draws IRS attention.
Receipts are required for every lodging expense regardless of amount. For other costs, you need a receipt when the expense is $75 or more. Anything under $75 still needs a log entry with the amount, date, and purpose, even without paper. Electronic records are fine as long as scans are legible and your system prevents unauthorized changes.
Where the Deduction Goes on Your Return
Reporting depends on how you earn your income.11Internal Revenue Service. Instructions for Schedule C (Form 1040) (2025)
- Sole proprietors and single-member LLC owners report travel on Schedule C. Lodging and transportation go on Line 24a. Meals go on Line 24b, where you apply the 50 percent limit. Laundry, business calls, and similar incidentals go on Line 27a or fold into the travel line, depending on how you categorize them.
- Statutory employees, meaning workers with the “Statutory employee” box checked in box 13 of their W-2, also use Schedule C rather than Form 2106. This covers full-time life insurance salespeople, certain commission drivers, traveling salespeople, and certain homeworkers.
- Qualifying employees, meaning Armed Forces reservists, qualified performing artists, fee-basis state or local government officials, and employees with impairment-related work expenses, use Form 2106 and transfer the result to Schedule 1.
Keeping your log organized by the categories that appear on the form makes the return itself the easy part.
What Happens If You Cannot Back Up a Deduction
Hold your travel records for at least three years from the date you filed the return or two years from the date you paid the tax, whichever is later.12Internal Revenue Service. How Long Should I Keep Records? That window stretches to six years if you underreport gross income by more than 25 percent.
If the IRS examines your return and you cannot produce adequate records, the travel deductions get disallowed. You owe the tax you originally avoided, plus interest from the due date of the return, plus a possible 20 percent accuracy-related penalty on the underpayment under 26 USC 6662.13Office of the Law Revision Counsel. 26 USC 6662 – Imposition of Accuracy-Related Penalty on Underpayments The few minutes it takes to log each expense as you go is cheap insurance against all of that.