Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to China as you normally would.
To save up to 26% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Islip, New York to China from $735 1-2 weeks out and tickets from $818 for flights departing within the next 72 hours.
Flights from Islip, New York to China lean towards being more expensive in June. Prices are generally better when you fly from Islip, New York to China in April, with the cheapest ticket starting at $431.