Need help booking?
Unpublished phone-only deals available
ISB to IAD: distance & flight time
Islamabad (New Islamabad International Airport) → Washington (Washington Dulles International Airport)
7,078 mi
11,391 km · 6,151 nm
14h 21m
estimated nonstop flight time
—
time difference · heading northwest
See live ISB→IAD fares Phone-only fares on this route — call free
Flight time details
7,078 miles nonstop takes roughly 14h 21m 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
- ISB — New Islamabad International Airport · Islamabad, Pakistan
- 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 ISB
- ATG · Minhas Air Base34 mi away
- XJM · Mangla Airport58 mi away
- RAZ · Rawalakot Airport58 mi away
- MFG · Muzaffarabad Airport66 mi away
Frequently asked questions
How far is ISB from IAD?
The flight distance from Islamabad (ISB) to Washington (IAD) is 7,078 miles (11,391 km, 6,151 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISB to IAD?
A nonstop flight takes about 14h 21m 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 ISB to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISB–IAD that never appear on search engines, with no booking fees.