Understand Why Flights Cost What They Do.

The Fare Theory explains airline pricing, revenue management, loyalty programs, and travel economics, helping you make smarter travel decisions based on data, not myths.

EXPLORE THE FARE THEORY

Explore Topics We Cover

Start with the ideas behind airfare, award travel, flight value, and smarter travel decisions.

Rows of empty airplane seats representing airline seat inventory, capacity, airfare economics, and revenue management.
Airfare Economics

Understand how airlines price flights, manage inventory, and respond to demand.

United Airlines aircraft parked at an airport gate, illustrating airline loyalty programs and why buying airline miles is rarely worth it without a specific redemption plan.
Award Travel

Learn how miles, loyalty programs, redemptions, and elite status actually work.

Passengers seated inside a commercial airplane cabin illustrating how airlines can remain profitable even when flights are not completely full.
Flight Value

Learn when upgrades, award flights, premium seats, and other travel extras are actually worth it.

International flight departure board at Istanbul Airport showing flights to destinations around the world
Travel Strategy

Find smarter ways to book flights, compare options, and make better travel decisions.


Latest Articles


Understand Air Travel Beyond the Booking Screen


Passengers seated in an airplane cabin illustrating why airlines overbook flights

Why Do Airlines Overbook Flights? The Economics Behind Overbooking

The Fare Theory Sep 28, 2026 9 min read

Why Would Airlines Sell More Tickets Than They Have Seats? Imagine you’re booking a flight with 180 seats. It would only seem logical that once passenger #180 buys a ticket, the airline should stop selling tickets. But that’s not necessarily…

JetBlue BlueFirst first class seats in a 2-2 cabin configuration

JetBlue BlueFirst Explained: Seats, Benefits, Pricing and How It Compares to Mint

The Fare Theory Sep 3, 2026 11 min read

Why JetBlue Is Launching BlueFirst? JetBlue is officially entering the domestic first-class market. The airline unveiled BlueFirst on September 1, 2026, a new premium cabin that will begin appearing on JetBlue aircraft later this year. And it’s a pretty significant…

Boeing 787 Dreamliner illustrating whether aircraft type matters when booking a flight

Does Aircraft Type Matter? The Essential Guide for Travelers

The Fare Theory Sep 22, 2026 11 min read

Does aircraft type matter when booking a flight? The answer is yes, but probably not for the reasons most travelers think. Aircraft type can influence cabin layout, seat configuration, noise, cabin environment and the overall onboard experience. But the airplane…

Singapore Airlines aircraft at gate for KrisFlyer miles value for redemptions

Why I Redeemed 147,500 KrisFlyer Miles at Just 1.33 Cents Per Mile

The Fare Theory Sep 16, 2026 12 min read

When booking a flight from Bali to Tokyo, I faced a decision familiar to points-and-miles travelers: How should I think about KrisFlyer miles value…by maximizing cents per point, or by maximizing the value of the trip itself? I had several…

Economy cabin showing airline seat spacing and seat pitch between rows

What Is Seat Pitch? How Airline Legroom Is Actually Measured

The Fare Theory Oct 18, 2026 11 min read

What Does Seat Pitch Mean? Imagine two rows of airplane seats. Instead of measuring from the edge of your seat to the seatback in front of you, seat pitch measures from a fixed point on one seat to the same…