Looking on the internet deeply has found these results:

i'll be back in an hour is the most popular phrase on the web.

i'll be back after an hour 13 results on the web	i'll be back in an hour 14,910 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Feb 5, 2013 ... :iconakinokaede26: AkiNoKaede26 Featured By Owner Apr 26, 2013. yes dear~ : iconpapmingplz: just send a note~ i'll be back after an hour~ man World Cup squad. Stress Check is the most innovative tool available for quantifying your level of psychological or physical stress. By measuring your heart rate through the camera ... Jun 20, 2011 ... Thomas Waldrom, Manu Tuilagi and Mouritz Botha have been named in England's preliminary 45	I'll be back in an hour's/two hours' time (= after one/two hours). My hometown is an hour from Houston/an hour away (= it takes an hour to travel there). He gets ... #i'll be back in an hour or two#josh hutcherson#mine#mine: edit#mine: gif#peeta mellark#queue: working or something#the hunger games#thg#favoritepeople# ... I'll be back in an hour. You cannot translate sentences because you did not add any language in your profile. Add a language. afr. Ek sal terug wees in 'n uur. I'm outta place. I'm in outer space. I've just vanished without a trace. I'm going to a pretty place now where the flowers grow. I'll be back in an hour or so [Chorus]

i'll be back after an hour

13 results on the web

i'll be back in an hour

14,910 results on the web

More popular!

Feb 5, 2013 ... :iconakinokaede26: AkiNoKaede26 Featured By Owner Apr 26, 2013. yes dear~ : iconpapmingplz: just send a note~ i'll be back after an hour~
man World Cup squad.
Stress Check is the most innovative tool available for quantifying your level of psychological or physical stress. By measuring your heart rate through the camera ...
Jun 20, 2011 ... Thomas Waldrom, Manu Tuilagi and Mouritz Botha have been named in England's preliminary 45

I'll be back in an hour's/two hours' time (= after one/two hours). My hometown is an hour from Houston/an hour away (= it takes an hour to travel there). He gets ...
#i'll be back in an hour or two#josh hutcherson#mine#mine: edit#mine: gif#peeta mellark#queue: working or something#the hunger games#thg#favoritepeople# ...
I'll be back in an hour. You cannot translate sentences because you did not add any language in your profile. Add a language. afr. Ek sal terug wees in 'n uur.
I'm outta place. I'm in outer space. I've just vanished without a trace. I'm going to a pretty place now where the flowers grow. I'll be back in an hour or so [Chorus]