An airline spokesperson said: “Potential disruptions to and from the UK on Wednesday February 7 due to low visibility.
“Affected passengers will be notified and any passengers travelling to and from the UK on Wednesday, February 7 should check their Ryanair app for the latest updates on their flight.
“We regret any inconvenience caused to passengers by these weather conditions which are outside of Ryanair’s control and affect all airlines operating to and from the UK on Wednesday, February 7.”
Affected passengers should be contacted directly by the airline if their flight is delayed or cancelled.
The Met Office has issued a yellow warning for snow and ice in Scotland which is in place until 12pm on Wednesday, February 7.
A spokesperson said: “Snow showers and ice bringing some difficult driving conditions and localised transport disruption.”
It said people in the area should expect some icy stretches on untreated roads and roads and railways likely to be affected by longer journey times.