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DBQ to ISN: distance & flight time
Dubuque IA (Dubuque Regional Airport) → Williston (Sloulin Field International Airport)
743 mi
1,196 km · 646 nm
2h 5m
estimated nonstop flight time
Same time
time difference · heading northwest
See live DBQ→ISN fares Phone-only fares on this route — call free
Flight time details
743 miles nonstop takes roughly 2h 5m gate to gate, flying northwest. 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
- ISN — Sloulin Field International Airport · Williston, 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 ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Frequently asked questions
How far is DBQ from ISN?
The flight distance from Dubuque IA (DBQ) to Williston (ISN) is 743 miles (1,196 km, 646 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DBQ to ISN?
A nonstop flight takes about 2h 5m 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 ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DBQ–ISN that never appear on search engines, with no booking fees.