SkyTeam strikes back at Oneworld Alliance with low Business Class fares from London, Madrid and Helsinki to USA starting around $956 round trip for Madrid to Chicago. London fares to Chicago in Business Class start around $1,284 round trip. Departure dates from November into April 2017.
There do not appear to be as many USA cities on sale as with Oneworld Business Class fares from Amsterdam, Paris and Rome starting at $1,011 to Chicago and under $1,500 round trip to many cities across the USA.
There are more routes on sale for USA cities. These are just sample fares.
SkyTeam Madrid to USA cities Business Class Fares
SkyTeam London to USA
SkyTeam Helsinki to USA