Looking on the internet deeply has found these results:

I am looking forward to hear you soon. is the most popular phrase on the web.

I am looking forward to hear from you soon. 1357,000 results on the web	I am looking forward to hear you soon. 11,450,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
"And hope to hear from you soon." The Council has accepted that countries must make efforts in this area, and I am looking forward to seeing some practical initiatives soon. Your full and constant support has been extremely valuable and I am looking forward to working with you on the final steps before this Office opens hopefully very soon. Which I am looking forward to visiting again soon. I am looking forward to the debate. I am looking forward to marriage equality in all 50 states. I am looking forward to your songs every week, Carlene.	The Council has accepted that countries must make efforts in this area, and I am looking forward to seeing some practical initiatives soon. I am looking forward to the Ten Year Gathering. Which I am looking forward to visiting again soon. hopefully very soon. I am looking forward to your songs every week, Carlene. I am looking forward to marriage equality in all 50 states. I am looking forward to the debate. Your full and constant support has been extremely valuable and I am looking forward to working with you on the final steps before this Office opens

I am looking forward to hear from you soon.

1357,000 results on the web

I am looking forward to hear you soon.

11,450,000 results on the web

More popular!

"And hope to hear from you soon."
The Council has accepted that countries must make efforts in this area, and I am looking forward to seeing some practical initiatives soon.
Your full and constant support has been extremely valuable and I am looking forward to working with you on the final steps before this Office opens
hopefully very soon.
Which I am looking forward to visiting again soon.
I am looking forward to the debate.
I am looking forward to marriage equality in all 50 states.
I am looking forward to your songs every week, Carlene.

The Council has accepted that countries must make efforts in this area, and I am looking forward to seeing some practical initiatives soon.
I am looking forward to the Ten Year Gathering.
Which I am looking forward to visiting again soon.
hopefully very soon.
I am looking forward to your songs every week, Carlene.
I am looking forward to marriage equality in all 50 states.
I am looking forward to the debate.
Your full and constant support has been extremely valuable and I am looking forward to working with you on the final steps before this Office opens