flight ***
flight of stairs
flight of steps

They went down a flight of stairs to an office.

I let myself out and walked down the single flight of stairs.

A long flight of dark stairs led to the third floor.

He was taken down a short flight of stairs into a small room.

She went inside and up a short flight of stairs to her office.

Up a flight of stairs, through another door, and she was home.

I turned right to go down the next flight of stairs.

He let her run up the one flight of stairs.

Ahead, he saw a flight of stairs up to the ground floor.

She moved on up a further long flight of stairs.