And it's already pretty cheap, how much cheaper can it get? Usually you'd pay somewhere around 1-1.2 EUR for an espresso, 1.5-2.0 EUR for "fancier" coffees, at least here in Spain (depends a lot on exactly where though).
Coffee has been getting more expensive for years, albeit mainly due to climate-related factors rather than political ones. In northern Europe it (like most things) is a lot more expensive.