An air traffic controllers strike in France is likely to impact on Irish passengers planning to fly to France, or over French airspace.
Ryanair has cancelled 26 flights to and from France due to the action, which is expected to last for six-days.
Aer Lingus says it currently plans to operate its full schedule, but is warning that customers can expect delays to some flights.
The Chief Marketing Officer with Ryanair, Kenny Jacobs, has this advice for passengers.
Meanwhile, Dubliner Lisa Cleary is stranded in Reus airport in Spain after her Ryanair flight to Dublin was cancelled this morning: