Your fare code (also called a booking class) is a single letter that determines how many miles you'll earn.
Find it on:
📧 Your confirmation email — Look for "Class: Y" or "Booking Class: K".
🎫 Your boarding pass — Bottom section, field labelled "Class".
Y / BFull-fare economy (best earner)
K / HStandard discounted economy
N / VBasic economy / sale fares
W / EPremium economy
J / CBusiness class
F / AFirst class