Generally, weight loss surgery such as the gastric bypass will cost between $20,000 to $30,000 – the clinics do make sound profits, which is why some you see advertised offer free chauffeurs and even airplane flights to the city and clinic. As in all lines of ‘business’, whatsoever surgeries will do all it takes to coax you there, within the law of course. If you’ve opted for weight loss surgery, the cost of such a procedure can be quite daunting. galore people simply can’t afford the surgery without taking down huge loans which could end up crippling them financially. Is the surgery really worth the cost?