Cheapest 100LL Avgas in Wisconsin
13 FBOs with 100LL pricing · Updated daily
The average 100LL price in Wisconsin is $6.44/gal. Below are all FBOs ranked from cheapest to most expensive.
Prices updated daily · Last updated May 10, 2026
| # | FBO | Airport | Jet-A | 100LL | Ramp Fee |
|---|---|---|---|---|---|
| 1 | Clay Lacy AviationBest Price | KMKE | $6.18 | $5.21 | Free |
| 2 | Cutter Aviation | KMSN | $5.63 | $5.52 | Free |
| 3 | TAC Air | KMSN | $5.72 | $5.80 | Free |
| 4 | Avflight Green Bay | KGRB | $6.92 | $6.00 | Free |
| 5 | Hayward Aviation | KHYR | $7.32 | $6.19 | Free |
| 6 | Jet Air Group | KGRB | $6.39 | $6.29 | Free |
| 7 | Ovation CWA, LLC | KCWA | $7.99 | $6.49 | Free |
| 8 | Appleton Flight Center | KATW | $7.02 | $6.64 | Free |
| 9 | Ascension FBO Network | KEAU | $8.19 | $6.99 | Free |
| 10 | Basler Flight Service | KOSH | $6.99 | $6.99 | Free |
| 11 | AVP/Kenosha Aviation, LLC | KENW | $6.50 | $6.99 | Free |
| 12 | Wisconsin Aviation-Madison | KMSN | $6.99 | $7.09 | Free |
| 13 | Colgan Air Services | KLSE | $7.44 | $7.54 | Free |
About 100LL Avgas Prices in Wisconsin
100LL (low-lead aviation gasoline) is the standard fuel for piston-engine aircraft. Prices in Wisconsin vary based on location, competition, and supplier contracts. Self-serve pumps typically offer lower prices than full-service fueling. Prices are updated daily and may vary based on current market conditions.