Completing Form T2125. Line 9200 – Travel expenses.However, you can deduct travel expenses you incur in the course of carrying on a business while away from home. Using Form T777, fill in line 9200 with your travel expenses, and attach it to your tax return file. Employers can deduct travel expenses paid or incurred during a temporary work assignment if the assignment length does not exceed one year. Business travel expenses that are deductible include airfare, hotel expenses, meals, and other incidentals while on a business trip. Within two weeks of your trip, complete the travel expense claim and turn in receipts (i.e. Parking, luggage, shuttles).