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IAD to ISU: distance & flight time
Washington (Washington Dulles International Airport) → Sulaymaniyah (Sulaymaniyah International Airport)
6,127 mi
9,860 km · 5,324 nm
12h 29m
estimated nonstop flight time
+7h
time difference · heading northeast
See live IAD→ISU fares Phone-only fares on this route — call free
Flight time details
6,127 miles nonstop takes roughly 12h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- ISU — Sulaymaniyah International Airport · Sulaymaniyah, Iraq
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 IAD
Near ISU
- KIK · Kirkuk Air Base55 mi away
- EBL · Erbil International Airport89 mi away
- SDG · Sanandaj Airport98 mi away
- XQC · Joint Base Balad124 mi away
Frequently asked questions
How far is IAD from ISU?
The flight distance from Washington (IAD) to Sulaymaniyah (ISU) is 6,127 miles (9,860 km, 5,324 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to ISU?
A nonstop flight takes about 12h 29m 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 Washington and Sulaymaniyah?
Sulaymaniyah is 7 hours ahead of Washington.
What is the cheapest way to fly from IAD to ISU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–ISU that never appear on search engines, with no booking fees.