Good solution for those of you looking for direct service from the United Kingdom to China. Based on service of Tianjin Airlines you can book cheap non-stop flights from London Heathrow to Xi´An from £365 return and visit famous Terracotta Army. (Fare is including all charges and fees and checked bag). Thought you have to be flexible and be able to depart in next few weeks as the cheapest option is available only this May. (Date of your outbound flight from London to China).
Tianjin Airlines allows to book discounted flights when departing from London to Xi´An from 7th to 28th of May 2018. Max stay 6 months. Book this deal by end of April or until this promotional sale is available. (very limited availability of discounted seats at advertised fare). You can book your accommodation in China using service of leading online booking companies such as Booking.com or Hotels.com. Interested in this non-stop solution simply refer to below booking sample and adjust travel days as mentioned below.
Booking samples of a non-stop flights
London - Xian from £365
London - Chongqing from £357
London - Changsha from £364
Dublin - Beijing from €396
Travel days London - Xi´An.: Both outbound / inbound flighs on Monday or Friday.
Booking sample of cheap non-stop flights from London to Xi´An, China from £365 here. You would depart from London to China on 11th of May and return from Asia back to the United Kingdom on 25th of May 2018.