In France, unions have threatened action on Saturday, June 25 and Sunday, June 26 with several airports expected to be affected.
Ground staff from Aéroports de Paris are planning further action on July 2 following calls for a salary increase of €300.
The action is being coordinated by several French unions and could cover all staff at both Charles de Gaulle and Orly airport in Paris, including security personnel.
Crew in Belgium will strike for three days to demonstrate the alleged failure by Ryanair to respect Belgian labour law.
Despite claims from Ryanair boss Michael O’Leary stating that allegations made by Belgium were “complete rubbish”, crew are still planning to strike on June 24, 25 and 26.
The weekend strikes will mark the second bout of action to affect the country’s flight schedule this week, following earlier cancellations to all departing flights from Brussels Brussels Zaventem Airport on Monday during a security staff strike.