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PHN to DBQ: distance & flight time
Port Huron (St Clair County International Airport) → Dubuque IA (Dubuque Regional Airport)
417 mi
671 km · 362 nm
1h 22m
estimated nonstop flight time
-1h
time difference · heading west
See live PHN→DBQ fares Phone-only fares on this route — call free
Flight time details
417 miles nonstop takes roughly 1h 22m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- PHN — St Clair County International Airport · Port Huron, 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 PHN
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 PHN from DBQ?
The flight distance from Port Huron (PHN) to Dubuque IA (DBQ) is 417 miles (671 km, 362 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to DBQ?
A nonstop flight takes about 1h 22m 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 time difference between Port Huron and Dubuque IA?
Dubuque IA is 1 hour behind Port Huron.
What is the cheapest way to fly from PHN to DBQ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–DBQ that never appear on search engines, with no booking fees.