What time is check-out?

请问退房时间是几点？

同一单元的其他句子

• I'd like to book a room.我想预订一间房。
• Do you have single rooms?有单人间吗？
• How much is it per night?住一晚多少钱？
• Is breakfast included?包含早餐吗？
• I'd like to check in.我要办理入住。