Up by around 10%
https://www.gov.uk/government/public...s#indirect-tax
Air Passenger Duty rates for 2025 to 2026Air Passenger Duty (APD) applies to flights aboard aircraft 5.7 tonnes and above. Rates for direct long-haul flights from Northern Ireland are devolved and set at £0. Direct long-haul journeys are those where the first leg of the journey is to a destination outside Band A.
Haven't included the table as it won't format properly.