Ryanair announced the closure of their website during the next weekend (18-20/5):
The www.ryanair.com website will be closed for upgrade maintenance at the below times between Fri. 18 May and Sun. 20 May. Passengers must ensure that they have booked tickets, checked in online and printed their boarding passes etc. prior to the below times.
1. Online Check-in - Not available from 16:00 hrs on Fri. 18 May until 12:00 hrs. Sun. 20 May
2. Bookings cannot be made on Ryanair.com from 22:00 hrs on Fri. 18 May until 22:00hrs Sat. 19 May
3. Flight Changes cannot be made from 22:00 hrs on Fri. 18 May until 22:00hrs Sat. 19 May
Ryanair wishes to apologise to all passengers who may be affected by our website closure which is unavoidable in order to upgrade the www.ryanair.com website.