The average household's airline spending has roughly doubled in dollars since the early twenty-tens, with a deep pandemic dip on the way. As a share of income it has risen much less.
What this shows: The chart covers 2013 to 2023. It plots Airline fares ($) and Share of income (%) on a vertical axis of Household airline fares (dollars of each year). Latest values: Airline fares ($) 690; Share of income (%) 0.678. Data run through 2023.