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Cheapest 100LL Avgas in Arizona

20 FBOs with 100LL pricing · Updated daily

Best Price: $6.88/gal

Show Low Regional Airport at KSOW in Show Low

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The average 100LL price in Arizona is $8.00/gal. Below are all FBOs ranked from cheapest to most expensive.

Prices updated daily · Last updated June 14, 2026

100LL Avgas Market Analysis in Arizona

We track 100LL avgas at 20 FBOs across 14 airports in Arizona. The cheapest 100LL is $6.88/gal at Show Low Regional Airport (KSOW), and the highest is $8.81/gal — a $1.93/gal difference depending on where you stop. 9 FBOs are below the $8.00/gal state average. For a typical 50-gallon piston top-off, the cheapest stop saves roughly $56 versus the average.

100LL is the standard fuel for most piston-engine aircraft. Because avgas volumes are smaller than Jet-A, prices are especially sensitive to local supplier logistics and airport traffic. Self-serve pumps usually undercut full-service by a wide margin and are often available 24/7. Figures update daily from AirNav reports.

Cheapest 100LL in Arizona: FAQ

What is the cheapest 100LL avgas in Arizona?
The cheapest 100LL in Arizona is $6.88/gal at Show Low Regional Airport (KSOW) in Show Low, as of June 14, 2026.
What is the average 100LL price in Arizona?
Across 20 FBOs reporting 100LL in Arizona, the average is $8.00/gal, ranging $6.88 to $8.81/gal.
Where is 100LL cheapest for piston aircraft in Arizona?
Show Low (KSOW) has the lowest 100LL in Arizona at $6.88/gal. 9 of 20 FBOs price below the state average.
How often are Arizona 100LL prices updated?
100LL avgas prices in Arizona are refreshed daily from AirNav FBO reports; the most recent update was June 14, 2026. Confirm with the FBO before fueling.

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