乘飞机英语三种说法：

1、by air。2、by airplane。3、take plane。例句：

1、It saves a lot of time by air。2、I came Finland by airplane。3、I would rather take the plane。

by air的例句：It's much faster to travel by air after all（还是坐飞机快）；by airplane的例句：They arrived in Belgium by airplane（他们乘飞机到达比利时）；take plane的例句：We're not gonna take the plane（我们不搭这班飞机）。