British Airways and Virgin Atlantic Business Class Sales
British Airways currently has a Club World Sale with 41 destinations worldwide on offer from London. Here are a few examples of pricing:
New York £1199
Washington Dulles £1299
Boston £1299
Chicago £1499
Los Angeles £1699
Denver £1749
Cairo £999
Abu Dhabi £1159
Delhi £1284
Tokyo £1699
Hong Kong £1714
Singapore £1892
These flights should be booked by November 27th. Travel dates vary for each destination, generally from December to March.
Virgin Atlantic have a similar Upper Class Fare Sale (12 destinations available) also bookable by November 27th for travel in December and January. Prices are similar to BA.
So there are currently plenty of options if you want to travel cheaply from London to the US in business class in the next few months - with the all business class carriers like Maxjet and Silverjet and these sales from BA and Virgin. With Open Skies coming in 2008, the market should continue to hot up.
For those in the UK not on a biz class budget, BA also has an economy fare sale (30% off) to many destinations worldwide with the option to upgrade to World Traveller Plus (premium economy) for an extra fee. Available until November 13th.