The biggest entry-rule shift this year affects anyone flying into the United Kingdom. Starting February 25, 2026, full enforcement kicked in for the UK’s Electronic Travel Authorization (ETA): every visa-exempt traveler, including Americans, now needs an approved ETA before entering, even for a short visit. It’s a departure from the old rule of simply showing up with a passport.
The ETA itself is straightforward but easy to overlook until you’re at the gate. It’s applied for online at gov.uk/eta or through the official UK ETA app, and approval typically comes back within 72 hours. Once approved, it’s tied electronically to your passport and stays valid for two years or until that passport expires, whichever comes first — and it covers multiple entries, with each individual visit capped at six months. Get a new passport in the meantime, and you’ll need to apply for a new ETA to match it.
The UK isn’t alone in tightening entry requirements this year. Several other countries have been rolling out or adjusting electronic pre-clearance systems for visitors who previously needed nothing more than a passport, part of a broader shift toward digital travel authorization across Europe and beyond. If you’re booking international travel for later this year, it’s worth checking the specific entry requirements for each country on your itinerary well before departure, since approval windows can take days rather than minutes.
The practical takeaway: build in a buffer. An ETA or similar authorization denied or delayed at the last minute is a much bigger problem at the airport than it is a few weeks out.
I-Journey 
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