Assuming your passport was issued when you were younger than 16 years old, your first adult passport will cost $145 ($110 for the passport itself, and a $35 execution fee). You must apply in person in this case.If by minor you mean your passport was issued when you were between the ages of 16 and 18, your next adult passport will cost $110. You can renew by mail in this case.A quick way to check if your passport was issued to you as a minor or not: passports issued to individuals under the age of 16 are valid for 5 years. Passports issued to adults (in this context over the age of 16) are issued for 10 years.These fees are for standard service (typically 4–6 weeks). To expedite the application process, there is a $60 fee.https://travel.state.gov/content...