round-trip ticket
return ticket

She had her return ticket; the train was due in any moment.

He could sell the stones and buy a return ticket.

He did not seem to know which was the right end of his return ticket.

The only trouble was that Dave had no return ticket.

Remember I talked about a return ticket, when going on the road?

I don't have a return ticket but was thinking it would around a month?

The Saudi did not have a return ticket or a hotel.

Do you think I can still use my return ticket?

All performances are sold out, but some return tickets may be available on the day of the performance.

Also, the return ticket is something you'll get only from the place where you visit.