U.S. aviation fuel prices delivered a split performance in June, as JET A prices declined while several piston-fuel categories climbed across the country.
National JET A Full Service averaged $7.63 in June, representing a decrease of $0.43 (-5.4%) compared to May. Excluding Alaska and Hawaii, Lower-48 JET A Full Service averaged $7.54, down $0.43 (-5.4%) compared to May.
National 100LL pricing was mixed in June. 100LL Full Service averaged $7.47, a decrease of $0.02 (-0.3%) compared to May, while 100LL Self Service averaged $6.42, up $0.09 (1.4%), reflecting an approximate 14% savings where self-serve options are available.
UL94 Self Service averaged $7.41, up $0.12 (1.6%) in June, while MOGAS averaged $5.48, up $0.12 (2.3%), with both fuels continuing to show limited and highly regional availability nationwide.
Over the past six months, national aviation fuel prices remained elevated following a sharp spring increase. National JET A Full Service rose from $6.30 in January 2026 to $7.63 in June 2026, an increase of $1.33 (21.1%), while national 100LL Full Service increased from $6.37 to $7.47, an increase of $1.10 (17.3%). After modest increases in January and February, both fuel types moved sharply higher beginning in March amid developments in the Middle East. JET A climbed from $6.41 in February to $7.64 in March, reached a six-month high of $8.07 in May, then eased to $7.63 in June. 100LL followed a similar trajectory, rising to $7.49 in May before edging lower to $7.47 in June.
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This report summarizes U.S. aviation fuel price trends for June 2026, based on pricing data collected directly by iFlightPlanner from 3,349 fixed base operators (FBOs) and fuel service providers (FSPs) across the United States. All prices reflect reported retail prices at the time of confirmation. This data is distributed to leading aviation organizations and platforms, including the Aircraft Owners and Pilots Association (AOPA), AeroQuote, Hamilton AI, SkyVector, PilotGPT, SurfOS, CharterHub, and more.
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