Fuel Prices at KSMN
Lemhi County Airport · Lemhi,
Best Jet-A
$6.46
Gem Air LLC
Best 100LL
$6.90
Salmon Air
FBOs at KSMN
3
Fixed Base Operators
All FBOs at KSMN
Prices updated daily · Last updated June 14, 2026
| # | FBO | Jet-A | 100LL |
|---|---|---|---|
| 1 | Gem Air LLCBest Price | $6.46 | $6.93 |
| 2 | Salmon Air | $6.63 | $6.90 |
| — | Lemhi County (Self-Serve Fuel) | N/A | N/A |
Jet-A Price History at KSMN
▲ +$0.91Mar 22Jun 14
Over the past 85 days, the cheapest Jet-A at KSMN has risen by $0.91/gal (16.4%), moving from $5.55 to $6.46. Over that window it ranged between $5.55 and $6.46 — a $0.91/gal swing.
100LL Price History at KSMN
▲ +$0.75Mar 22Jun 14
Over the past 85 days, the cheapest 100LL at KSMN has risen by $0.75/gal (12.2%), moving from $6.15 to $6.90. Over that window it ranged between $6.15 and $6.90 — a $0.75/gal swing.
About Lemhi County Airport
Lemhi County Airport (KSMN) is located in Lemhi, . There are 3 Fixed Base Operators at this airport offering fuel and services. The current best Jet-A price is $6.46/gallon at Gem Air LLC.Prices are updated daily and may vary.
KSMN Fuel Price FAQ
How much does Jet-A fuel cost at KSMN?
The cheapest Jet-A at Lemhi County Airport (KSMN) is $6.46/gal at Gem Air LLC. 2 FBOs report Jet-A here, ranging from $6.46 to $6.63/gal. Last updated June 14, 2026.
How much does 100LL avgas cost at KSMN?
The cheapest 100LL at Lemhi County Airport (KSMN) is $6.90/gal at Salmon Air, with prices ranging $6.90–$6.93/gal across 2 FBOs. Last updated June 14, 2026.
How many FBOs are at KSMN?
Lemhi County Airport (KSMN) in Lemhi, has 3 FBOs listed, 2 of which currently report fuel prices.
Are fuel prices at KSMN going up or down?
Over the past 85 days the cheapest Jet-A at KSMN has risen 16.4% to $6.46/gal (ranging $5.55–$6.46).
How often are KSMN fuel prices updated?
Fuel prices at KSMN are refreshed daily from AirNav FBO reports. The latest update was June 14, 2026. Always confirm with the FBO before fueling, as posted prices can change.