In 2026, while you absolutely need a boarding pass to board an international flight, you no longer strictly need a physical paper copy at most major global airports. Most airlines now issue Digital Boarding Passes via their mobile apps or email, which contain a secure QR code that is scanned at security, duty-free, and the boarding gate. Furthermore, many high-tech hubs have implemented biometric boarding, where your face acts as your boarding pass after your passport and digital ticket have been "linked" at a self-service kiosk or via the airline's app. However, there are critical exceptions: some countries in Asia, Africa, and the Middle East still require a printed pass for "stamping" by immigration officials. Additionally, if your phone battery dies or the airport's Wi-Fi fails, a paper backup is a lifesaver. Travelers in 2026 are advised to keep a digital copy in their "Apple/Google Wallet" and carry one printed backup in their carry-on just in case of technical issues.