This is when the premium economy fare is available in: This cabin class is built to provide seats which might be somewhat roomier than coach and include a number of business-class benefits but are still considerably moderately priced. But not all premium economy cabins are definitely worth the additional expenditure. https://sydneybusinessclassflights.fitness.blog/2025/09/05/first-class-flights-to-australia-from-uk-best-airlines-lowest-fares/