Nippon Travel Agency provide a special tour package.
http://www.ntasfb.com/WorldSFConv2007.htm
ANA also provides limited eco value fares.
http://www.ana.co.jp/wws/us/e/travelservice/ssf/ssf_japan.html
About.com may be useful.
http://gojapan.about.com/od/airtravel/a/cheapflight.htm
Other infomation are available at Nippon 2007 official site.
