Bilbao airport in northern Spain has seen dozens of cancellations after the runway was close.
Ryanair confirmed: "All Ryanair flights scheduled to/from Dublin, Cork, Kerry, Knock & Shannon Airports on Friday 2nd March have been cancelled. Anyone with travel plans should contact their airline directly for specific flight information".
She said some of the food outlets will remain open in the Airport, for those forced to wait.
Norwich Airport has now reopened following major disruption caused by the snow..
A Cork Airport spokesperson said: "Cork Airport remains closed and both Ryanair and Aer Lingus have cancelled their flights for the remainder of today, Thursday, 1 March".
Manchester Airport saw early morning departures to Dublin, Glasgow, London Heathrow, and the Isle of Man cancelled.
Those flying have been told to allow extra time for their journey. As a result, it has introduced more flexible rebooking options for customers on shot-haul flights to or from London Heathrow and London Gatwick airports.
Hundreds of drivers were trapped on the M80 overnight, with the weather bringing up to a foot of snow to roads in Scotland and the north of England.
Airport maintenance crews, who have been working flat-out, to keep the runways, taxiways and parking stands clear, closed the main runway just after 7pm last night in the hope of clearing it of snow.
Because the disruption is caused by adverse weather, passengers whose flights are cancelled or heavily delayed are not entitled to cash compensation but the airline has a duty of care towards passengers affected.
Customers on Ryanair can check the status of their flight here.
The full list of flight cancellations can be found on the Aer Lingus website.