Private jet operating costs can vary considerably depending on the size and type of jet, the number of hours flown, and the price of fuel. Average operational expenses are estimated to be between $500,000 and $1,500,000 per year.

The annual cost to operate a private jet is significantly higher than the initial purchase price and depends heavily on how many hours the aircraft is flown. For a mid-sized jet like a Gulfstream G200 or a Galaxy, the total annual budget typically ranges from $1.1 million to $1.9 million based on 200 to 400 flight hours per year. These costs are split into "fixed" and "variable" categories. Fixed costs, which you pay regardless of whether the plane leaves the ground, include crew salaries (which can exceed $250,000), pilot training, insurance (roughly $30k–$50k), hangar fees (averaging $30k–$80k), and management fees if using a private flight firm. Variable costs are dominated by fuel—often the single largest expense, potentially costing over $4,000 per flight hour—along with maintenance, engine overhauls, and landing or handling fees. For ultra-long-range jets like a Gulfstream G650, the annual operating budget can easily exceed $4 million to $5 million. Due to these extreme costs, industry experts often suggest that unless an individual or corporation is flying at least 150–200 hours per year, it is more financially prudent to use a fractional ownership program or a private charter service rather than owning a jet outright.