premium777The Lufthansa subsidiary Swiss only introduced its premium economy as the fourth long-haul travel class last year. All the Star Alliance member’s 12 Boeing 777-300ERs are now equipped with 24 premiumThe third version of Boeing 777-300 has 298 seats divided into 4 classes: first, business, premium economy and economy. First class includes just 4 closed suites that are located in a row.