Premium airfares are set to increase as the GST Council has approved raising the tax on business and first-class tickets from 12% to 18%, effective September 22, 2025. Economy class tickets and AC train travel will remain unchanged at 5%. For premium tickets booked and paid for before the deadline, the old 12% GST rate will still apply. Post navigation ITR filing FY 2024-25: Don’t miss filing Form 10-IEA if switching tax regimes – here’s why GST reforms, Rate cuts could boost GDP by 0.16% and lower CPI inflation, says Standard Chartered