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IAH to DBQ: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Dubuque IA (Dubuque Regional Airport)
896 mi
1,441 km · 778 nm
2h 25m
estimated nonstop flight time
Same time
time difference · heading north
See live IAH→DBQ fares Phone-only fares on this route — call free
Flight time details
896 miles nonstop takes roughly 2h 25m gate to gate, flying north. 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
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
- DBQ — Dubuque Regional Airport · Dubuque IA, 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 IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
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
Frequently asked questions
How far is IAH from DBQ?
The flight distance from Houston (IAH) to Dubuque IA (DBQ) is 896 miles (1,441 km, 778 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to DBQ?
A nonstop flight takes about 2h 25m 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 IAH to DBQ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–DBQ that never appear on search engines, with no booking fees.