U.S. aviation fuel prices showed a general decrease in December 2025.
National JET A Full Service averaged $6.24, representing a decrease of $0.13 (-2.0%) compared to November. JET A Full Service pricing in the Lower 48 averaged $6.15, reflecting a similar percentage decline month over month.
National 100LL pricing followed a similar trend. 100LL Full Service averaged $6.34, a decrease of $0.04 (-0.6%) from November, while 100LL Self Service averaged $5.46, representing an approximate 14% savings where self-service fuel was available.
MOGAS and UL94 also trended downward in December. UL94 Self Service averaged $6.88, while MOGAS averaged $4.70, with availability varying by region nationwide.
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This report summarizes U.S. aviation fuel price trends for December 2025, based on pricing data collected directly by iFlightPlanner from 3,350 fixed base operators (FBOs) and fuel service providers (FSPs) across the United States. All prices for JET A, JET A+ (FSII), 100LL, MOGAS, and UL94 reflect reported retail prices at the time of confirmation. This data is distributed to leading aviation organizations and platforms, including Aircraft Owners and Pilots Association (AOPA), AeroQuote, SkyVector, SurfOS, CharterHub, and other platforms supporting Part 91 and Part 135 operations.
