How airline fares actually work
Prices are inventory controls, not a simple measure of distance.
Fare University
Airfare without the fine-print fog
Clear, practical guidance to help you understand airline pricing, fare rules, and distribution.
Airline PricingFare ClassesFare RulesBaggageRefunds & ChangesConnectionsInternational FaresPremium CabinsConsolidator FaresNDC & Distribution
What is a fare class?
The booking code behind availability, flexibility, and mileage credit.
Basic Economy vs Standard Economy
A practical framework for comparing restrictions and extras.
Published vs private airfares
How distribution and eligibility shape what a traveler can buy.
Why the cheapest fare can cost more
A closer look at baggage, seats, changes, and required extras.