There are four main transport ways of getting to Luxembourg:
Luxembourg City main airport is Findel International Airport
From the UK, you may fly to Luxembourg Findel from London City Airport, London Heathrow Airport, Manchester Airport and London Gatwick Airport. There are three main airlines flying on these routes.
If you are flying from within Ireland or North Ireland, you make use of the British Airways Services flying once par day from Dublin Airport.
Luxembourg City is linked by fast trains to it's neighboring countries: TGV trains depart often to Paris and France from Luxembourg City Train Station, Belgium trains who link Luxembourg City with cities in Belgium and its capital, Brussels. Trains also leave to cities in Germany, to Trier and other large german cities.
More details about train schedules, departures and arrivals in Luxembourg City at: www.cfl.lu