The fare paid to ride a bus; the bus transportation fee.
学生割引でバス代が半額になった。
With a student discount, the bus fare was halved.
毎月の交通費を節約するためにバス代を計算した。
I calculated bus fares to save on monthly transportation costs.
小銭がなくてバス代を払えなかった。
I couldn't pay the bus fare because I had no change.