A flight should take about 4½ hours including travel time to and from the respective airports.
Before take-off, passenger are offered the chance to upgrade - much like ditching a VW for a Mercedes.
The entertainment pack may be a bit dull, but the cheap Wi-Fi is a bonus.
Ionising radiation has the potential to damage cells, tissues and enzymes.
David Whitley surveys all that is cool and cosy in Germany's financial hub.
Pampering knows no borders, writes Adriaane Pielou, who picks the world's best spa therapists.