icoca & haruka kansai-kyoto-osaka-kansai

I will be traveling from Kansai to Kyoto as my arrival but my departure will from Osaka back Kansai airport.

Do I need to purchase the icoca & haruka round trip or just the one way?

How much do I need to load/top up for 1 week tour for kyoto and osaka?

Thanks in Advance!

http://www.westjr.co.jp/global/en/ticket/icoca-haruka/

http://www.japan-guide.com/e/e2359_icoca_haruka.html

If you will be staying in Osaka on your way fly home, I would like to suggest to you to ride the Rap:t by Nankai. I just find it fastest among the trains going to KIX. It starts however in Namba or Shin-Imamiya. Haruka's start is in Shin-Osaka or Tennoji.

Osaka and Kyoto has various local passes. But if you want to purely use ICOCA, may I suggest to check your travels using bus and/or trains. I am not sure thought if you can consume JPY 5000 or 10000 or 20000. Kindly check Hyperdia or Jorudan and Arukumachi Kyoto websites.