O'Leary believes allowing member states to bail out airlines with which it has strong historic links is discriminatory and gives them an unfair advantage over airlines who have not asked for help.
A court in Spain has found Ryanair's cabin baggage policy to be "abusive" and has deemed it invalid after a customer case.
A planned five-day strike by Ryanair's Spanish pilots will go ahead this month after mediated talks were unsuccessful, a spokesman for the Spanish pilots union SEPLA said on Tuesday.
Cabin crew are to strike at 13 bases across Spain for 10 days in September in a dispute over job cuts. A walkout in Portugal began on Wednesday.
Ryanair pilots in Ireland to strike after talks fail
In another setback for Ryanair, its pilots in Ireland have voted to strike unless they're given a pay rise.
On Thursday, Italy's competition authority issued a penalty of €3 million to Ryanair and €1 million to Wizzair.
Ryanair has paid up after French authorities grounded one of its planes in a bid to recover €525,000 of public money given to the airline.
Here are six stories from around Europe to know about this Friday lunchtime.