Jet2.com and easyJet are among the carriers to have proactively urged passengers to check the status of their flights before heading to their departure airports. Ryanair, meanwhile, has pre-emptively cancelled "a small number" of flights that had been due to overfly France.
It comes after the union representing workers across several sectors in France called a 35-hour strike over pay. The walkout will start from 6pm on Thursday (12 October) and run through to 5am on Saturday (14 October).