The article studies methods to determine the amount of goods through airports and determine the relationship between export - import goods through airports and export – import turnover of goods in Vietnam. From analyzing the 27-year data series from 1990 to 2016 by a linear and non-linear regression model show that when the value of exports increased by 1%, cargo exports through airports increased 0.8205% and when the value of imports increased by 1%, cargo imports through airports increased 0.8393%. It is forecasted that Vietnam's airports will serve nearly 500 thousand tons of exported goods of about 410 thousand tons of imported goods by 2020.