Business Travel: What Can I Deduct?

The IRS keeps a close eye on business travel, and not because owners are trying to game the system. It is because the rules genuinely live in a gray area. A weekend that counts as a business day on one trip is personal on the next. A meal that is half-deductible becomes fully nondeductible the moment you bundle it with a ballgame ticket. And two of these rules changed for 2026.

So let’s clear it up. Here is a plain-language walkthrough of what business travel you can write off, what you cannot, and exactly where the line sits, current as of the 2026 tax year. Your own situation will have its own wrinkles, so treat this as a map rather than tax advice, and loop in your tax preparer or IRS Publication 463 before you file.

01 What counts as a travel expense

The IRS defines travel expenses as the ordinary and necessary costs of traveling away from your tax home for your business or profession. “Away from home” generally means away long enough that you need to stop for sleep or rest, which in practice means an overnight trip rather than a long day in the car.

When a trip qualifies, the deductible buckets typically include:

• Transportation to and from your destination: airfare, train, rental car, or mileage in your own vehicle.
• Lodging for business nights.
• Meals while traveling, deductible at 50%.
• Getting around at the destination: taxis, rideshare, parking, tolls.
• The small stuff: baggage fees, shipping samples or materials, business calls, tips, and laundry on longer trips.

A few guardrails apply to all of it. The expense cannot be lavish or extravagant: a reasonable dinner is fine, a week of five-star tasting menus is not. The travel has to be for an existing business, so a trip to launch or buy a new business is a startup cost, not a travel deduction. And an assignment expected to last more than a year is treated as “indefinite,” which means you have effectively moved your tax home and the travel stops being deductible.

02 Two things that changed for 2026

This is where the old advice trips people up. If you are working from a guide written a few years ago, two assumptions are now wrong.

Entertainment is no longer deductible, period

Taking a client to a game, a concert, a round of golf, or a night out is a 0% deduction. That has been true since 2018, and the latest tax law did not bring it back. The one workaround: if you buy a meal during an entertainment event, the food can still be 50% deductible, but only if it is purchased or invoiced separately from the entertainment. Get an itemized receipt or the whole thing is treated as nondeductible entertainment.

Most employer-provided meals lost their deduction

Starting January 1, 2026, meals you provide on-site for your own convenience, think office snacks, the breakroom stock, or food brought in so staff stay put through a busy stretch, are no longer deductible. This is a real shift from the 50% many businesses had relied on. The good news for this article: travel meals are not affected and stay 50%, and company-wide social events like a holiday party or team picnic remain 100% deductible.

03 Is it a business day or a personal day?

This question quietly decides most of your deduction, because business days are what make lodging and meals for that day deductible, and what make the whole trip “primarily business,” which is what unlocks the round-trip transportation write-off.

The working guideline is that a business day is one where you spend at least four hours and one minute on business. But several days count automatically:

• Travel days. The days you spend getting to and from the destination are business days.
• Sandwiched weekends and holidays. If a Saturday and Sunday fall between two business days, they count as business days, even if you spend them at the beach.
• Required-presence days. If you have to be somewhere for a genuine business purpose, the day counts no matter how little time the task takes.

04 Mixing business with personal travel

Most real trips are a blend, and the deduction depends on which side the trip leans toward.

If the trip is primarily business with some personal time mixed in, you can deduct the business-related expenses, and your round-trip transportation stays fully deductible. If the trip is primarily personal with a little business squeezed in, you can only deduct the expenses directly tied to business, and the cost of getting there is not deductible at all.

05 Traveling outside the U.S.

International travel follows stricter math. If the trip is entirely business, all of your travel costs are deductible. If it is primarily a vacation, none of the travel costs are. And if it is primarily business with some personal time, you generally prorate by dividing business days by total travel days.

There is an important escape hatch, though. A foreign trip is treated as entirely for business, with no proration needed, if any one of these is true:

• You did not have substantial control over arranging the trip. (If you are self-employed, you usually do have control, so this rarely applies to owners.)
• You were outside the U.S. for a week or less. Don’t count the day you left, but do count the day you returned.
• Less than 25% of your total time was spent on personal activities, counting both the departure and return days.
• You can show that a vacation was not a major consideration for the trip.

06 The situations people get wrong

Bringing your spouse

You can absolutely bring your spouse along. Their travel costs are only deductible, though, if they are an employee of the business and have a genuine business reason for being on the trip. Companionship does not qualify. Without that, you simply pay their share out of pocket.

Staying with family or friends

If your business trip takes you to a city where family lives, you can pay them fair-market rent for the stay and deduct it as a business lodging expense. Under the Section 280A “less than 15 days” rule, they can receive that rent completely tax-free, since renting a personal residence for fewer than 15 days a year is not taxable income to them. Get a receipt, because tax law requires documentation for all lodging deductions. One 2026 note: the threshold for issuing a Form 1099 to an individual rose to $2,000 (up from $600), so a 1099 is now only required if your payments to them cross that line for the year.

Cruise-ship conventions

Yes, these are deductible, with limits. You can deduct up to $2,000 per person per year for a convention held on a cruise, provided the seminar is directly related to your trade or business, the ship is U.S.-flagged, and all ports of call are within the United States.

07 Actual costs vs. per diem

Instead of saving every meal receipt, you can use the IRS per diem rates, which are fixed daily allowances for lodging, meals, and incidentals by location. For the 2026 federal travel year (October 1, 2025 through September 30, 2026), the standard rate for most of the continental U.S. is $178 per day ($110 lodging, $68 meals and incidentals). The simplified high-low method runs $319 a day for designated high-cost cities and $225 elsewhere. Rates held flat from 2025.

08 The proof that saves you in an audit

A deduction you cannot document is a deduction you do not really have. For every trip, keep records showing the amount, time, place, and business purpose of each expense. A diary, log, or trip sheet plus receipts is the standard.

The one threshold worth remembering: receipts are technically not required for travel expenses under $75 each (lodging always requires a receipt regardless of amount), but keeping them anyway only strengthens your position. Hold onto conference brochures, agendas, and handouts too, since they prove the business purpose of a trip far better than a calendar entry written after the fact.

This article is general information current as of the 2026 tax year, not tax advice for your specific situation. Tax rules change and individual circumstances vary, so confirm with your tax preparer or IRS Publication 463 before filing.