Swiss International Air Lines will be operating its first flight with a premium economy cabin on April 26th. You can now book the seats.The airline plans to add the premium economy cabin to each of its 12 Boeing 777-300ERs. Swiss stated that all 12 retrofits would be complete by the summer 2022 schedules. The new cabin class will be added to the existing first-class, economy and business-class Swiss cabins.On U.S. flights, premium economy will be offered. The Boeing 777-300 is flown by Swiss Airlines to Miami, Los Angeles, and San Francisco.Similar story: Lufthansa fly Viking cruise customers to MaltaPremium economy Swiss seats will have 39 inches between rows, as opposed to 31 inches for economy. The seat also features a fold-out arm rest, a 15.6 inch seatback entertainment screen, and is approximately 2 inches wider that economy seats. Premium economy customers will receive a better meal service.Premium economy seats will cost customers $270-$380 more than economy.