You can fly at Liverpool John Lennon Airport, at Manchester Airport or at London (Heathrow).
Liverpool John Lennon Airport is about 7 km south from the city center.
Public transport app: Merseytravel.
A train station is located at the heart of Manchester airport, at 5-10 minutes walk from your arrival terminal. You can take a direct train to Liverpool Lime Street or a train with one change at Manchester Piccadilly to Liverpool Lime Street. Trains are running 7 days a week. The journey to Liverpool takes an hour and a half.
You can buy your ticket at the ticket machines in the station or online through apps like Omio.
From Liverpool Lime Street it is less than 5 minutes walk to the Adelphi hotel.
Download VisitLiverpool app
https://qrco.de/bdpz64
Download Liverpool map