so soon

so soon

Much earlier than expected or scheduled. A: "Thank you for the lovely meal, but I really must be going." B: "So soon? But I thought we could all play a game together or something." I didn't expect the meeting to finish so soon, so now I've got about an hour to kill just wandering around downtown.
See also: soon
Farlex Dictionary of Idioms.

so soon

early; before the regular time; ahead of schedule. I got there early because my bus arrived so soon. Because the meeting ended so soon, I had some extra time.
See also: soon
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • (one had) better be going
  • better be going
  • toodles
  • high time
  • it is high time
  • it is high time that
  • it's high time
  • have to go now
  • lovely weather for ducks
  • thank you for sharing
References in classic literature
The Enscombe family were not in town quite so soon as had been imagined, but he was at Highbury very soon afterwards.
Emma
They had not sent it on to him, knowing he would start for home so soon.
Tess of the dUrbervilles A Pure Woman
I am very, very sorry we are to part -- so soon, and so suddenly too; but I am not offended, indeed I am not.
Eleanor made no answer; and Catherine's thoughts recurring to something more directly interesting, she added, thinking aloud, "Monday -- so soon as Monday; and you all go.
Northanger Abbey
"Going so soon!" said Marianne; "my dear Edward, this must not be."
Sense and Sensibility