. If you are flying after March from New York. You can fly with China Southern Airline for less than 800 US Dollar.New York - Guangzhou- Kathmandu and the other two airlines China Air and Isreal Airline are going to fly Kathmandu for cheaper price. You do not need Sambhu or President Travel.You can book directly. If you cancel your ticket with President Travel, you have to pay lots of charge. If you buy direct with a airline: Cancellation charge is free.