In a similar vein, I noticed a few Ryanair routes dropped off, including Eindhoven, Kiev, Cologne and Prague.
Only ever used Cologne and Eindhoven regularly but the fares of the Eindhoven flight were quite often astronomical. I've seen that flight regularly be €200+ in a normal, non holiday time of year, booking more than 3 weeks in advance.
Cologne was always a bit cheaper, but still busy. No idea about Prague or Kiev.