In March 2025, four airlines are scheduled to fly business class seats the 5,456 miles between London Heathrow Airport and Los Angeles International Airport. Two of these carriers are US airlines (American Airlines and United Airlines), and two are British carriers (British Airways and Virgin Atlantic). According to Cirium, during March, a total of 14,658 business class seats will fly from London-Heathrow to LAX on 259 flights. Here is what to know about business class seats flying between LA and Heathrow.