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USN to ISB: distance & flight time
Ulsan (Ulsan Airport) → Islamabad (New Islamabad International Airport)
3,172 mi
5,105 km · 2,757 nm
6h 41m
estimated nonstop flight time
—
time difference · heading west
See live USN→ISB fares Phone-only fares on this route — call free
Flight time details
3,172 miles nonstop takes roughly 6h 41m gate to gate, flying west. 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
- USN — Ulsan Airport · Ulsan, South Korea
- 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 USN
- KPO · Pohang Airport (G-815/K-3)28 mi away
- PUS · Gimhae International Airport37 mi away
- TAE · Daegu Airport44 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)48 mi away
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 USN from ISB?
The flight distance from Ulsan (USN) to Islamabad (ISB) is 3,172 miles (5,105 km, 2,757 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to ISB?
A nonstop flight takes about 6h 41m 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 USN to ISB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–ISB that never appear on search engines, with no booking fees.