Fare Basis Code [FBC]

Updated: 2017-03-27.

Often referred to as simply the fare basis, the fare basis code is the letter designation used by almost all airlines to determine fare rules and class. Usually, a fare basis code will be between 3 and 8 digits in length.

Here’s an example of a few fare basis codes from American Airlines (AA.com):

American Airlines fare basis code
Examples of fare basis codes from the American Airlines FAQ page.
Categories: Air Travel Terms
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