round-trip ticket 来回机票;往返票;来回票;双程票;往返车票

【例句】
Our association will provide round-trip ticket, room and board and special gift.
本会将提供往返机票、食宿及特色礼品。

Could you please tell me how much is a round-trip ticket to Los Angeles?
请你告诉我到洛杉矶的来回程机票要多少钱？