London Heathrow (LHR)
London Gatwick (LGW)
London Stansted (STN)
Luton (LTN)
London City (LCY)
Edinburgh (EDI)
Basel Mulhouse Freiburg (BSL)
Zürich (ZRH)
Frankfurt (FRA)
Munich (MUC)
Berlin Schönefeld (SXF)
Berlin Tegel (TXL)
Hannover (HAJ)
Copenhagen (CPH)
Billund (BLL)
Keflavík (KEF)
Vienna (VIE)
Palma de Mallorca (PMI)
Madrid-Barajas (MAD)
Seville (SVQ)
Prague Václav Havel (PRG)
Heraklion (HER)
Paphos (PFO)
Moscow Domodedovo (DME)
St. Petersburg Pulkovo (LED)
Boston Logan (BOS)
New York JFK (JFK)
Seattle-Tacoma (SEA)
San Francisco (SFO)
Toronto Pearson (YYZ)
Adding two to this:
Split (SPU)
Pula (PUY)