What Happens When Your Passport Expires — Risks, Legal Consequences, Border Checks, and What You Must Do Immediately. Expired Passport in the EU: Can You Be Deported? An expired passport can lead to detention, removal from transport, identity verification, fines, and in some cases deportation — but only under specific conditions. Your risk level depends on your legal status, nationality, documents you carry, and where the check happens. 1. Why an Expired Passport Is a Serious