If London is on your mind this year, pause for a second before booking your flight. New UK travel rules are now in force. From February 25, 2026, most travellers who used to enter the UK visa-free now need to apply for an ETA before boarding their flight. Airlines can turn you away at check-in, even if you’ve flown to Britain many times before. Here’s what you need to know so your trip doesn’t start with a surprise at the airport. What is the UK ETA and Who Needs It? The ETA (Electronic Travel Authorisation) is not a visa. It’s...