Ryanair has announced increases in the fees it will charge passengers for checking in baggage during peak travel periods.

The increases will apply to flights in the months of June, July, August, September and at Christmas.

Peak period fees will rise by €5 or £5 to €25 for online bookings made from December 15.

Ryanair will also increase its checked in bag fees paid at call centres and airports by at least €25/£25 (from €35 to €60) per bag.

It says low season (October to May) online checked-in bag fees will remain unchanged at €15/£15 a bag.

Ryanair will also increase its penalty for passengers who arrive up at the airport without their boarding card from €40/£40 to €60/£60, from January 15 next year.