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PHN to ISB: distance & flight time
Port Huron (St Clair County International Airport) → Islamabad (New Islamabad International Airport)
6,929 mi
11,151 km · 6,021 nm
14h 3m
estimated nonstop flight time
—
time difference · heading north
See live PHN→ISB fares Phone-only fares on this route — call free
Flight time details
6,929 miles nonstop takes roughly 14h 3m 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
- PHN — St Clair County International Airport · Port Huron, United States
- ISB — New Islamabad International Airport · Islamabad, Pakistan
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 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 PHN from ISB?
The flight distance from Port Huron (PHN) to Islamabad (ISB) is 6,929 miles (11,151 km, 6,021 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to ISB?
A nonstop flight takes about 14h 3m 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 PHN to ISB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–ISB that never appear on search engines, with no booking fees.