Star Alliance airlines have $1,600 round trip Business Class airfare from Paris to dozens of USA airports including Los Angeles, San Diego and San Francisco for July and August departures. This fare is available on United, Lufthansa, Swiss, Air Canada and possibly more Star Alliance airlines.
My quick searches look like the departure has to be in July or August and latest return date to Paris is November.
Google Flights Paris CDG to SFO map shows $1600 Business Class fares July 26-Sep10 for these airports:
- Los Angeles $1,598
- San Francisco $1,598
- Las Vegas $1,598
- Denver $1,601
- Chicago $1,598
- Dallas $1,605
- Detroit $1,634
- Atlanta $1,601
- Charlotte $1,601
- Orlando $1,598
I think you get the picture. These discount business class fares from Star Alliance airlines cover the USA.
Google Flights July 26 – September 10, 2016
Business Class fares from Paris to USA
United Airlines Ticket
Paris CDG – San Francisco/ San Jose-Paris
$1,621.66 round trip Saturday July 23 – Saturday September 10