Japan Liquefied Natural Gas Import Price (Monthly, USD per Million Btu) Japan Liquefied Natural Gas Import Price historical data, charts, stats and more. Japan Liquefied Natural Gas Import Price is at a current level of 16.36, up from 15.54 last month and up from 15.00 one year ago. This is a change of 5.30% from last month and 9.09% from one year ago.. ...