This single ticket is cheaper than a return ticket.

这张单程票比往返票便宜。

I bought a single ticket to Beijing.

我买了一张去北京的单程票。

If you only need to go to one place, just buy a single ticket.

如果你只需要去一个地方，买单程票就可以了。

He only bought a single ticket because he doesn't plan to return.

他只买了一张单程票，因为他不打算回来。

I've only got a single ticket.

我只有一张票。

Suddenly I was asked to show my single ticket.

突然有人让我出示我的单程票。

Is this a single ticket?

这是单程票吗？

A single ticket or a return one?

单程机票还是来回机票?

A single ticket or a return one ?

单程机票还是来回机票？

How much does the single ticket to Tokyo cost?

去东京的单程票价是多少?