FSI - Henry Post Army Air Field (Fort Sill)
Fort Sill, United States
IATA Code: FSI · Fort Sill, United States
The airport code FSI is the IATA identifier for Henry Post Army Air Field (Fort Sill). You may also find it referred to as Fort Sill Airport (FSI).
Henry Post Army Air Field (Fort Sill) (FSI) serves Fort Sill, United States, in the North America fuel pricing region. It provides essential air connectivity for travelers in the area.
FSI is the IATA airport code for Henry Post Army Air Field (Fort Sill), located in Fort Sill, United States. The airport is situated at coordinates 34.6498°N, 98.4022°W. The current jet fuel price in the North America region is $5.21/gallon as of 2026-05-16.
Current Jet Fuel Price (North America)
$5.21/gallon
⚠️ Global Fuel Price Surge 2026: Prices affected by 108%
Airport Information
- IATA Code
- FSI
- City
- Fort Sill
- Country
- United States
- Timezone
- America/Chicago
- Latitude
- 34.6498°
- Longitude
- -98.4022°
- Type
- airport
- Fuel Region
- North America
Flight Distances & Estimated Fuel Costs from FSI
Estimated fuel costs based on current jet fuel prices and standard narrowbody aircraft consumption.
| Destination | Distance | Est. Fuel Cost | Fuel Surcharge* |
|---|---|---|---|
| LAW - Lawton | 9 km | $131 | $0/passenger |
| DUC - Duncan | 45 km | $656 | $1/passenger |
| HBR - Hobart | 70 km | $1,021 | $2/passenger |
| SPS - Wichita Falls | 74 km | $1,080 | $2/passenger |
| LTS - Altus | 79 km | $1,152 | $2/passenger |
| CSM - Clinton | 106 km | $1,546 | $3/passenger |
| OKC - Oklahoma City | 110 km | $1,605 | $3/passenger |
| PWA - Oklahoma City | 120 km | $1,751 | $4/passenger |
| TIK - Oklahoma City | 126 km | $1,838 | $4/passenger |
| ADM - Ardmore | 132 km | $1,926 | $4/passenger |
| ADT - Ada | 159 km | $2,319 | $5/passenger |
| CDS - Childress | 174 km | $2,538 | $5/passenger |
| END - Enid | 193 km | $2,815 | $6/passenger |
| SWO - Stillwater | 206 km | $3,005 | $6/passenger |
| CUH - Cushing | 207 km | $3,020 | $6/passenger |
| MWL - Mineral Wells | 210 km | $3,063 | $6/passenger |
| AFW - Fort Worth | 210 km | $3,063 | $6/passenger |
| BKD - Breckenridge | 219 km | $3,195 | $6/passenger |
| WWR - Woodward | 223 km | $3,253 | $7/passenger |
| FTW - Fort Worth | 225 km | $3,282 | $7/passenger |
| FWH - Dallas | 227 km | $3,311 | $7/passenger |
| DFW - Dallas-Fort Worth | 232 km | $3,384 | $7/passenger |
| ADS - Addison | 236 km | $3,443 | $7/passenger |
| MLC - Mcalester | 241 km | $3,516 | $7/passenger |
| DAL - Dallas | 246 km | $3,589 | $7/passenger |
| OKM - Okmulgee | 250 km | $3,647 | $7/passenger |
| PPA - Pampa | 259 km | $3,778 | $8/passenger |
| PNC - Ponca City | 260 km | $3,793 | $8/passenger |
| RBD - Dallas | 261 km | $3,807 | $8/passenger |
| RVS - Tulsa | 268 km | $3,910 | $8/passenger |
| SEP - Stephenville | 272 km | $3,968 | $8/passenger |
| ABI - Abilene | 276 km | $4,026 | $8/passenger |
| GVT - Greenvile | 278 km | $4,055 | $8/passenger |
| DYS - Abilene | 282 km | $4,114 | $8/passenger |
| TUL - Tulsa | 286 km | $4,172 | $8/passenger |
| PRX - Paris | 294 km | $4,289 | $9/passenger |
| BGD - Borger | 296 km | $4,318 | $9/passenger |
| WLD - Winfield | 306 km | $4,464 | $9/passenger |
| AMA - Amarillo | 308 km | $4,493 | $9/passenger |
| LBB - Lubbock | 333 km | $4,858 | $10/passenger |
| PTT - Pratt | 341 km | $4,975 | $10/passenger |
| ICT - Wichita | 345 km | $5,033 | $10/passenger |
| IAB - Wichita | 346 km | $5,047 | $10/passenger |
| LBL - Liberal | 352 km | $5,135 | $10/passenger |
| ACT - Waco | 355 km | $5,179 | $10/passenger |
| BEC - Wichita | 355 km | $5,179 | $10/passenger |
| CNW - Waco | 357 km | $5,208 | $10/passenger |
| GUY - Guymon | 360 km | $5,252 | $11/passenger |
| IDP - Independence | 366 km | $5,339 | $11/passenger |
| CFV - Coffeyville | 373 km | $5,441 | $11/passenger |
* Estimated fuel surcharge per passenger. Actual surcharges vary by airline and booking class.
How Jet Fuel Prices Affect Your FSI Flights
Jet fuel typically accounts for 25-35% of airline operating costs. When fuel prices rise due to global events like conflicts or supply disruptions, airlines pass these costs to passengers through fuel surcharges.
Currently, the North America region has jet fuel priced at $5.21/gallon. This is approximately 108% higher than normal due to Brent crude elevated. EIA Gulf Coast jet fuel at $5.21/gal (2026-05-16). Airlines implementing surcharges globally. IATA reports $175/barrel global average.
Tips to Save on Flights from FSI
- Book during periods of lower fuel prices (typically Q1)
- Choose airlines with fuel-efficient aircraft (787, A350)
- Consider nearby alternative airports
- Book direct flights to avoid multiple fuel surcharges
Climate & Weather at Fort Sill
Fort Sill enjoys a subtropical climate characterized by hot summers and mild winters. Temperatures generally range from 15°C to 35°C (59°F to 95°F) throughout the year. Early morning and late evening flights can offer relief from daytime heat during summer. Pack layers for air-conditioned terminals.
Traveler Guide: Flying Through FSI
Traveling through Fort Sill in the Americas, passengers should be aware that fuel prices in the North America region directly influence ticket pricing. North and South American airports generally have well-established ground transportation networks, including ride-sharing services, shuttles, and rental car agencies. For international arrivals, customs and immigration processing times vary significantly by country.
🇺🇳 United States Travel Tips
Within the United States, TSA PreCheck and Global Entry can significantly reduce security wait times. Domestic flights require a REAL ID-compliant driver's license or passport starting in 2025. Jet fuel prices in North America tend to be among the most competitive globally, though they remain sensitive to Gulf of Mexico refining capacity.
Planning Your Trip via FSI
- Arrival time: Arrive 2 hours early for domestic flights, 3 hours for international flights at Henry Post Army Air Field (Fort Sill)
- Ground transportation: Check current gasoline costs for driving to/from FSI
- Fuel impact awareness: The North America region currently prices jet fuel at $5.21/gallon — compare this with other regions to understand route pricing
- Alternative airports: The nearest airports to FSI are LAW, DUC, HBR — consider these for potentially lower fares