The short answer is no; Finnair does not allow you to book a flight using only a
phone number☎️+(888)810 2224 While your phone number is a vital piece of contact
information and can be used for two-factor authentication or SMS flight updates, it cannot serve
as the sole identifier or payment authorization for a new reservation☎️+(888)810 2224
In the modern travel landscape of 2026, airline bookings require more robust data for security
and logistical reasons☎️+(888)810 2224 When you book with Finnair , the system
must generate a Passenger Name Record (PNR), which is legally tied to a verified identity, a
secure payment method, and a reliable digital channel for sending your ticket and legal
disclosures☎️+(888)810 2224 While the idea of a "phone-only" booking sounds convenient,