1. Short title This Act may be cited as the Fund the TSA Act . 2. Improvements to aviation security fees to increase revenues and end fee diversions (a) Changes to aviation security fees (1) In general Section 44940 of title 49, United States Code, is amended— (A) in subsection (c)— (i) by amending paragraph (1) to read as follows: (1) Amount Fees imposed under subsection (a)(1) shall be $7.60 per one-way trip in air transportation or intrastate air transportation that originates at an airport in the United States, except that the fee imposed per round trip shall not exceed $15.20, subject to adjustments made pursuant to paragraph (2). ; (ii) by redesignating paragraphs (2) and (3) as paragraphs (3) and (4); (iii) by inserting after paragraph (1) the following new paragraph: (2) Adjustment for inflation (A) In general The Administrator of the Transportation Security Administration shall adjust the fee amounts established under paragraph (1) on April 1, 2026, and at the beginning of each fiscal year thereafter, to reflect the percentage (if any) of the increase in the average of the Consumer Price Index for the preceding 12-month period compared to the Consumer Price Index for fiscal year 2024. (B) Special rules for calculation of adjustment In adjusting under subparagraph (A) the fee amounts established under paragraph (1), the Administrator of the Transportation Security Administration— (i) shall round the amount of any increase in the Consumer Price Index to the nearest dollar; (ii) may ignore any such increase of less than one percent; (iii) shall ensure that the fee imposed per round trip does not exceed twice that of the fee imposed per one-way trip; and (iv) shall publish in the Federal Register notice of any adjustments made under this paragraph, pursuant to subsection (d). (C) Consumer price index defined For purposes of this subsection, the term Consumer Price Index means the Consumer Price Index for All Urban Consumers published by the Bureau of Labor Statistics of the Department of Labor.