At least 7 months. Our Airline Pilot Program for international students takes you through all the training necessary to become a professional pilot under FAA standards. For international students, tuition is $60,007.00, and it takes approximately 7 months to complete the training. https://epicflightacademy.com/international-pilot-pathway/
It is from zero experience to commercial pilot training consisting of 3 months Private Pilot Course, 2 months of Instrument rating, and 2 months of Commercial Single-Engine pilot course.