Cheapest 100LL Avgas in Idaho
13 FBOs with 100LL pricing · Updated daily
The average 100LL price in Idaho is $7.32/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 | Hailey AviationBest Price | KSUN | $6.88 | $5.64 | Free |
| 2 | Atlantic Aviation | KBOI | $6.40 | $5.72 | Free |
| 3 | Pentastar Aviation | KSUN | $6.39 | $5.80 | Free |
| 4 | The Flight Line, Inc. | KBYI | $6.40 | $6.40 | Free |
| 5 | Pocatello Avcenter | KPIH | $7.55 | $6.49 | Free |
| 6 | Salmon Air | KSMN | $6.63 | $6.90 | Free |
| 7 | Gem Air LLC | KSMN | $6.46 | $6.93 | Free |
| 8 | Atlantic Aviation | KSUN | $11.89 | $8.21 | Free |
| 9 | McCall Aviation | KMYL | $8.49 | $8.28 | Free |
| 10 | Stancraft Jet Center | KCOE | $9.51 | $8.35 | Free |
| 11 | Western Aircraft | KBOI | $7.85 | $8.43 | Free |
| 12 | Jackson Jet Center | KBOI | $7.99 | $8.99 | Free |
| 13 | Turbo Air | KBOI | $8.01 | $8.99 | Free |
About 100LL Avgas Prices in Idaho
100LL (low-lead aviation gasoline) is the standard fuel for piston-engine aircraft. Prices in Idaho 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.