Rated and reviewed by Telegraph readers, in terms of both price and comfort, the top three airlines for long-haul travel are Emirates, Singapore Airlines and Air New Zealand; this is also reflected in Travellers Choice awards for 2018 by TripAdvisor, with Singapore Airlines winning overall, Air New Zealand runner-up and Emirates in third place.Most plane seats are shrinking, so it is no surprise that passengers identify seating as one of, if not the biggest priority when booking a flight. Thirty-nine per cent of people surveyed by Momondo, a travel comparison website, said that comfortable seating with ample leg room was their main concern; however, the good news is that passenger comfort is now improving.