Update: Some offers mentioned below are no longer available. View the current offers here.British Airways is known for offering exceptional business-class fares across the pond from time to time, and the airline’s current promotion can help you score a fantastic deal — if you’re able to fly with a friend. As part of this promotion, you can book two tickets to London or Manchester starting at $2,216 round-trip. When paired with the AARP and 10% Visa discounts, that drops to just $1,668, including tax. See this post for booking instructions.To book flights as part of this promo, you need to complete your purchase by July 12 and travel between July 12, 2016 and May 31, 2017, but you’ll need to begin your travel by December 31, 2016 to score the greatest discount (via the Visa promotion outlined here). Availability is fantastic from most US gateways — officially, you can fly from (in fare order) New York, Philadelphia, Boston, Miami, Chicago, Washington, D.C., Austin, San Francisco, Los Angeles, Denver, Houston, San Diego and Las Vegas. If you’re completing your travel by July 31, you can also take advantage of American’s very generous transatlantic bonus, so be sure to register before you travel.Airline(s): British Airways, American Airlines, Iberia and othersRoute(s): Many US cities to London and ManchesterCost: $1,668+ round-trip in businessDates: July 2016 through May 2017Booking Link: British Airways via AARPPay With: American Express Premier Rewards Gold, Citi Prestige or Chase Sapphire PreferredHere are a few examples of flights we found:New York (JFK) to London (LHR) in business class on British Airways for $3,336 (two passengers):New York (JFK) to London (LHR) in business class on British Airways for $3,336 (two passengers).Miami (MIA) to London (LHR) in business class on British Airways for $3,650 (two passengers):Miami (MIA) to London (LHR) in business class on British Airways for $3,650 (two passengers).Chicago (ORD) to London (LHR) in business class on British Airways for $3,768 (two passengers):Chicago (ORD) to London (LHR) in business class on British Airways for $3,768 (two passengers).San Francisco (SFO) to London (LHR) in business class on British Airways for $5,450 (two passengers):Sign up for our daily newsletterEmail addressSign upI would like to subscribe to The Points Guy newsletters and special email promotions. The Points Guy will not share or sell your email. See privacy policy.San Francisco (SFO) to London (LHR) in business class on British Airways for $5,450 (two passengers).Maximize Your PurchaseDon’t forget to use a credit card that earns additional points on airfare purchases, such as the American Express Premier Rewards Gold or Citi Prestige (3x on airfare) or the Chase Sapphire Preferred Card (2x on all travel purchases). Check out this post for more on maximizing airfare purchases.See TPG’s reviews of business class on British Airways and OpenSkies.Will you be taking advantage of this sale?