A similar action at the start of July saw significant disruption with hundreds of cancellations of flights, including those passing over France. AdvertisementHeat pumpsGrants for installing a heat pump will increase from October 1, 2025. Passport controlThe EU’s long-delayed biometric passport checks, known as the Entry & Exit System, will start to come into effect on October 12th, 2025. Last year, the flu season was particularly intense, with the virus causing almost 30,000 hospitalisations and 5,000 deaths in France, predominantly among elderly people. READ MORE: How to challenge your 2025 French property tax billsSchools’ outThe two-week Toussaint holidays begin after classes on Friday, October 17th.