Fuel Prices at KMTH
The Florida Keys Marathon International Airport · The Florida Keys Marathon,
Best Jet-A
$9.86
Million Air Florida Keys
Best 100LL
$9.99
Million Air Florida Keys
FBOs at KMTH
1
Fixed Base Operators
All FBOs at KMTH
Prices updated daily · Last updated July 8, 2026
| # | FBO | Jet-A | 100LL |
|---|---|---|---|
| 1 | Million Air Florida KeysBest Price | $9.86 | $9.99 |
About The Florida Keys Marathon International Airport
The Florida Keys Marathon International Airport (KMTH) is located in The Florida Keys Marathon, . There are 1 Fixed Base Operators at this airport offering fuel and services. The current best Jet-A price is $9.86/gallon at Million Air Florida Keys.Prices are updated daily and may vary.
KMTH Fuel Price FAQ
How much does Jet-A fuel cost at KMTH?
The cheapest Jet-A at The Florida Keys Marathon International Airport (KMTH) is $9.86/gal at Million Air Florida Keys. 1 FBO reports Jet-A here. Last updated July 8, 2026.
How much does 100LL avgas cost at KMTH?
The cheapest 100LL at The Florida Keys Marathon International Airport (KMTH) is $9.99/gal at Million Air Florida Keys. Last updated July 8, 2026.
How many FBOs are at KMTH?
The Florida Keys Marathon International Airport (KMTH) in The Florida Keys Marathon, has 1 FBO listed, 1 of which currently report fuel prices.
How often are KMTH fuel prices updated?
Fuel prices at KMTH are refreshed daily from AirNav FBO reports. The latest update was July 8, 2026. Always confirm with the FBO before fueling, as posted prices can change.