Fuel Prices at KISP
Long Island MacArthur Airport · Islip, New York
Best Jet-A
$8.51
Modern Aviation
Best 100LL
$9.54
Modern Aviation
FBOs at KISP
4
Fixed Base Operators
All FBOs at KISP
Prices updated daily · Last updated October 12, 2026
| # | FBO | Jet-A | 100LL |
|---|---|---|---|
| 1 | Modern AviationBest Price | $8.51 | $9.54 |
| 2 | New York Jet Corporate Flight | $8.66 | $9.64 |
| — | Altus Aerospace | N/A | N/A |
| — | Executive Fliteways | N/A | N/A |
About Long Island MacArthur Airport
Long Island MacArthur Airport (KISP) is located in Islip, New York. There are 4 Fixed Base Operators at this airport offering fuel and services. The current best Jet-A price is $8.51/gallon at Modern Aviation.Prices are updated daily and may vary.
KISP Fuel Price FAQ
How much does Jet-A fuel cost at KISP?
The cheapest Jet-A at Long Island MacArthur Airport (KISP) is $8.51/gal at Modern Aviation. 2 FBOs report Jet-A here, ranging from $8.51 to $8.66/gal. Last updated October 12, 2026.
How much does 100LL avgas cost at KISP?
The cheapest 100LL at Long Island MacArthur Airport (KISP) is $9.54/gal at Modern Aviation, with prices ranging $9.54–$9.64/gal across 2 FBOs. Last updated October 12, 2026.
How many FBOs are at KISP?
Long Island MacArthur Airport (KISP) in Islip, New York has 4 FBOs listed, 2 of which currently report fuel prices.
How often are KISP fuel prices updated?
Fuel prices at KISP are refreshed daily from AirNav FBO reports. The latest update was October 12, 2026. Always confirm with the FBO before fueling, as posted prices can change.