Bus Niseko - Sobetsu/ Shikotsu/ Tomakomai

I'm enquiring about these bus services:
- Niseko-Sobetsu
- Niseko-Shikotsu
- NIseko - Tomakomai
As well as onward connections from these places to Chitose airport
Am planning my onward travel from Niseko to one of these places, depending on public transport availability (as well as accomodation). Wld appreciate if someone could send a link with the bus or train info in English. Thanks!

Niseko=Chitose Line likely passes along Lake Shikotsu, but I could not find any more info for the bus stops.
http://www.nisekobus.co.jp/en/index.html
http://www.nisekobus.co.jp/route-map.html

It seems there would be no bus to Lake Toya/Sobetsu from Niseko.

For Tomakomai (and Chitose), the only way would be by JR:
https://www.google.com/maps/dir/Niseko/Tomakomai/

Thanks for your reply
It seems that Donan bus goes from Niseko to Sobetsu? However, I can't find any info in English. While I can read Kanji, I don't know Japanese

Could anyone pls provide affirmative info on bus routes from Niseko to Sobetsu/ Shikotsu/ Tomakomai, and onward routes to Chitose airport? Thanks

Are you looking at this map by Donan bus?
http://donanbus.co.jp/kougai/

This means you should ride many short buses to Chitose. And you should only know these words.

Niseko: ニセコ
Sobetsu: 壮瞥
Shikotsu: 支笏
Tomakomai: 苫小牧
Chitose: 千歳

I have just looked into these. You should do by yourself for all the timetables there. As you could already know by the map, there seems to be no route for Shikotsu. Other sites could be connected at least by the following transfers.

ニセコ=倶知安/Kucchan #9/ http://donanbus.co.jp/kougai/wp-content/uploads/sites/4/2013/11/%E6%96...
=壮瞥=伊達/Date/=室蘭/Muroran=登別/Noboribetsu #6/ http://donanbus.co.jp/kougai/wp-content/uploads/sites/4/2013/11/%E9%83...
=苫小牧 #1/ http://donanbus.co.jp/kougai/wp-content/uploads/sites/4/2013/11/%E9%83...
=千歳 #5/ http://donanbus.co.jp/kougai/wp-content/uploads/sites/4/2013/11/%E9%83...