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DBQ to FSI: distance & flight time
Dubuque IA (Dubuque Regional Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
677 mi
1,090 km · 589 nm
1h 56m
estimated nonstop flight time
Same time
time difference · heading southwest
See live DBQ→FSI fares Phone-only fares on this route — call free
Flight time details
677 miles nonstop takes roughly 1h 56m 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
- DBQ — Dubuque Regional Airport · Dubuque IA, United States
- 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 DBQ
- CWI · Clinton Municipal Airport44 mi away
- PCD · Prairie Du Chien Municipal Airport48 mi away
- LNR · Tri-County Regional Airport62 mi away
- CID · The Eastern Iowa Airport63 mi away
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 DBQ from FSI?
The flight distance from Dubuque IA (DBQ) to Fort Sill (FSI) is 677 miles (1,090 km, 589 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DBQ to FSI?
A nonstop flight takes about 1h 56m 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 DBQ to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DBQ–FSI that never appear on search engines, with no booking fees.