fly open

Just then the door flew open to the radio room.

A moment later his eyes flew open and saw me.

At the sound of her voice his eyes flew open.

A door flew open on the far side of the hall.

That's what I was thinking when my eyes flew open.

She started to run for the door when it flew open.

I heard someone outside last night, and the back door flew open at one point.

As if in answer to his question, the front door to the house across the street flew open.

Behind her a door flew open, and two men came in.

Then his hand came away and her eyes flew open.