Glossary
Fare Basis Code
Definition: A fare basis code is an alphanumeric code on your airline ticket that identifies the exact fare rules including the fare class, routing, validity period, advance purchase requirements, and change/refund conditions.
A fare basis code might look like "JAXOWUS" or "YIF3M1" — a seemingly random string of letters and numbers that encodes detailed fare information. Each component has meaning: the first letter is typically the fare class, followed by codes indicating the route type, season, advance purchase period, and other conditions.
Travel agents and airline pricing systems use fare basis codes to construct itineraries, verify pricing, and apply correct rules. The fare basis code determines everything about what you can and cannot do with your ticket: can you change dates? Is it refundable? What’s the baggage allowance? Which routing restrictions apply?
Understanding your fare basis code is useful for knowing your ticket’s flexibility. BookMyBusinessClass agents can decode any fare basis code and explain your ticket’s exact rules, including change fees, refund policies, and routing restrictions. This transparency is important for business travellers who may need to alter plans.