All articles 5 min read

Travel in the United States: Business Travel and Vehicle Expenses (2025 IRS Guide)

This guide covers “Travel in the United States” within business travel and vehicle expenses. The following material presents the IRS treatment of this topic, including the qualifications, exceptions, and examples in the source section. Read the rules alongside the facts of your own situation before deciding what to report, deduct, or document.

Adapted from Publication 463 (2025), Travel, Gift, and Car Expenses, published by the Internal Revenue Service. This guide retains the source edition’s years, amounts, deadlines, and examples. It is guidance for that edition, not a statement that the same figures apply to every tax year.

Context for these rules

Once you have determined that you are traveling away from your tax home, you can determine what travel expenses are deductible.

You can deduct ordinary and necessary expenses you have when you travel away from home on business. The type of expense you can deduct depends on the facts and your circumstances.

Table 1-1 summarizes travel expenses you may be able to deduct. You may have other deductible travel expenses that aren’t covered there, depending on the facts and your circumstances.

When you travel away from home on business, you must keep records of all the expenses you have and any advances you receive from your employer. You can use a log, diary, notebook, or any other written record to keep track of your expenses. The types of expenses you need to record, along with supporting documentation, are described in Table 5-1 (see chapter 5).

Travel in the United States

The following discussion applies to travel in the United States. For this purpose, the United States includes the 50 states and the District of Columbia. The treatment of your travel expenses depends on how much of your trip was business related and on how much of your trip occurred within the United States. See Part of Trip Outside the United States, later.

Trip Primarily for Business

You can deduct all of your travel expenses if your trip was entirely business related. If your trip was primarily for business and, while at your business destination, you extended your stay for a vacation, made a personal side trip, or had other personal activities, you can deduct only your business-related travel expenses. These expenses include the travel costs of getting to and from your business destination and any business-related expenses at your business destination.

Example.

You work in Atlanta and take a business trip to New Orleans in May. Your business travel totals 900 miles round trip. On your way home, you stop in Mobile to visit your parents. You spend $2,165 for the 9 days you are away from home for travel, non-entertainment-related meals, lodging, and other travel expenses. If you hadn’t stopped in Mobile, you would have been gone only 6 days, and your total cost would have been $1,633.50. You can deduct $1,633.50 for your trip, including the cost of round-trip transportation to and from New Orleans. The deduction for your non-entertainment-related meals is subject to the 50% limit on meals mentioned earlier.

Trip Primarily for Personal Reasons

If your trip was primarily for personal reasons, such as a vacation, the entire cost of the trip is a nondeductible personal expense. However, you can deduct any expenses you have while at your destination that are directly related to your business.

A trip to a resort or on a cruise ship may be a vacation even if the promoter advertises that it is primarily for business. The scheduling of incidental business activities during a trip, such as viewing videotapes or attending lectures dealing with general subjects, won’t change what is really a vacation into a business trip.

Part of Trip Outside the United States

If part of your trip is outside the United States, use the rules described later in this chapter under Travel Outside the United States for that part of the trip. For the part of your trip that is inside the United States, use the rules for travel in the United States. Travel outside the United States doesn’t include travel from one point in the United States to another point in the United States. The following discussion can help you determine whether your trip was entirely within the United States.

Public transportation.

If you travel by public transportation, any place in the United States where that vehicle makes a scheduled stop is a point in the United States. Once the vehicle leaves the last scheduled stop in the United States on its way to a point outside the United States, you apply the rules under Travel Outside the United States, later.

Example.

You fly from New York to Puerto Rico with a scheduled stop in Miami. Puerto Rico isn’t considered part of the United States for purposes of travel. You return to New York nonstop. The flight from New York to Miami is in the United States, so only the flight from Miami to Puerto Rico is outside the United States. Because there are no scheduled stops between Puerto Rico and New York, all of the return trip is outside the United States.

Private car.

Travel by private car in the United States is travel between points in the United States, even though you are on your way to a destination outside the United States.

Example.

You travel by car from Denver to Mexico City and return. Your travel from Denver to the border and from the border back to Denver is travel in the United States, and the rules in this section apply. The rules below under Travel Outside the United States apply to your trip from the border to Mexico City and back to the border.

Using the guidance

Keep the documents that establish the dates, amounts, and circumstances described above. References to other chapters, forms, worksheets, or earlier and later sections refer to the linked IRS publication. Check the full publication and its updates before relying on a rule for a different tax year or a situation not addressed here.

Sources and further reading

The cited U.S. government text is in the public domain. Source accessed October 28, 2026. Fynoptic has organized this material for educational use and is independent of, and not endorsed by, the IRS.

Back to all articles