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DU9 to FSI: distance & flight time
Dunnville (Dunnville Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
1,158 mi
1,863 km · 1,006 nm
2h 59m
estimated nonstop flight time
—
time difference · heading southwest
See live DU9→FSI fares Phone-only fares on this route — call free
Flight time details
1,158 miles nonstop takes roughly 2h 59m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- DU9 — Dunnville Airport · Dunnville, Canada
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near DU9
Near FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Frequently asked questions
How far is DU9 from FSI?
The flight distance from Dunnville (DU9) to Fort Sill (FSI) is 1,158 miles (1,863 km, 1,006 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DU9 to FSI?
A nonstop flight takes about 2h 59m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from DU9 to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DU9–FSI that never appear on search engines, with no booking fees.