Use 'kde-open' under KDE
Use 'kde-open' under KDE

kde-open (like gnome-open) uses the user's configured preferred browser,
instead of assuming that they use Konqueror via kfmclient. kde-open is
part of kdebase-workspace (KDE4) and kde-cli-tools (KDE Frameworks 5)
and both are part of a 'default desktop installation'.

wstephenson/launchy