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DBQ to IAD: distance & flight time
Dubuque IA (Dubuque Regional Airport) → Washington (Washington Dulles International Airport)
734 mi
1,180 km · 637 nm
2h 4m
estimated nonstop flight time
+1h
time difference · heading east
See live DBQ→IAD fares Phone-only fares on this route — call free
Flight time details
734 miles nonstop takes roughly 2h 4m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- DBQ — Dubuque Regional Airport · Dubuque IA, United States
- IAD — Washington Dulles International Airport · Washington, 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
Frequently asked questions
How far is DBQ from IAD?
The flight distance from Dubuque IA (DBQ) to Washington (IAD) is 734 miles (1,180 km, 637 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DBQ to IAD?
A nonstop flight takes about 2h 4m 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 Dubuque IA and Washington?
Washington is 1 hour ahead of Dubuque IA.
What is the cheapest way to fly from DBQ to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DBQ–IAD that never appear on search engines, with no booking fees.