French ATC have announced strike action from 6 to 10 March 2017, with many passengers likely to be affected.
Eurocontrol in Brussels says the Brest and Bordeaux control centres will be affected from 5am on Monday until 7pm on Friday, with the action in the south of France running from 5am on Tuesday until 5am on Friday.
Flights serving the main Paris airports — Charles de Gaulle and Orly — are likely to be affected, along with Toulouse, Beauvais and Nantes. There will also be an impact on services overflying France, including links from the UK and Italy, Switzerland and Spain and flights between Britain and the Canary Islands.