Jet2 and easyJet have issued a warning to passengers flying to and from France.
Several unions have called for cross-sector strike action and demonstrations causing disruption to services. The majority of trains around France are cancelled, including some international connections and about 20% of flights out of Paris's Orly Airport are cancelled and airlines are warning of delays.
This has prompted easyJet and Jet2 to issue a statement to passengers. EasyJet said: "We've been advised that there will be national strikes taking place in France on Wednesday, January 8 from 7pm to Friday, January 20 to 7am, that is likely to affect transport services including air and rail travel.