Is Business Airfare Tax Deductible? Yes — 100% Deduction on Schedule C
100%
Deductible
Line 24a
Schedule C
Travel
Category
Airfare for business trips is fully deductible if your primary purpose is conducting business. If you combine business and personal travel, you can only deduct the business portion based on the number of business days versus personal days. Understanding how to properly allocate mixed-purpose trips will help you claim the correct amount and avoid IRS scrutiny.
Who qualifies?
Self-employed individuals, sole proprietors, single-member LLCs, and freelancers filing Schedule C can deduct business airfare. You must be able to document that the trip was primarily for business purposes.
How to claim it
- 1 Keep all airline receipts, tickets, and booking confirmations showing dates and destinations.
- 2 Document the business purpose of the trip in writing (client meetings, conferences, vendor visits, etc.).
- 3 For mixed trips, count business days versus personal days and multiply your total airfare cost by the business-day percentage.
- 4 Enter the deductible amount on Schedule C, Line 24a (Travel).
Pro tip
Keep a trip log documenting each business day's activities and clients met. If you spent 6 business days and 4 personal days on a $500 flight, deduct only $300 (6÷10 × $500). This contemporaneous documentation is your best defense in an audit.
Source: IRS Publication 463: Travel, Gift, and Car Expenses
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