Fare basis code

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A fare basis code (often just referred to as a fare basis) is an alphabetic or alpha-numeric code used by airlines to identify a fare type and allow airline staff and travel agents to find the rules applicable to that fare. Although airlines now set their own fare basis codes, there are some patterns that have evolved over the years and may still be in use. Airlines can create any number of booking or fare classes, to which different prices and booking conditions may apply. Fare classes are complicated and vary from airline to airline. The meaning of these codes is not often known by the passenger, but conveys information to airline staff; for example, they may indicate that a ticket was fully paid, discounted, part of an excursion package, or purchased through a loyalty scheme. Fare codes start with a letter called a booking class (indicating travel class among other things), which almost always matches the letter code that the reservation is booked in. Other letters or numbers may follow...

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