British Airways is changing the definition of what it means to fly business class. Club World fliers enjoy plush seats that transform into a reclinable beds, plenty of leg space, more than 200 entertainment options ranging from movies to audio books, a private wash-bag filled with luxury skincare products and toiletries for the flight, and a dining service offering an array of contemporary and classic dishes, including fine wines and champagnes. Club World customers also receive access to British Airways's many exclusive airport lounges to enjoy complimentary food, drinks, and Wi-Fi. Some lounges even provide showers so business travelers can quickly clean up and ready themselves for a full day of business abroad.

COST: (Recently) One-way from London To Logan International (Boston, Massachusetts): $5,634.