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BIR to ISB: distance & flight time
Biratnagar (Biratnagar Airport) → Islamabad (New Islamabad International Airport)
990 mi
1,593 km · 860 nm
2h 37m
estimated nonstop flight time
—
time difference · heading northwest
See live BIR→ISB fares Phone-only fares on this route — call free
Flight time details
990 miles nonstop takes roughly 2h 37m 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
- BIR — Biratnagar Airport · Biratnagar, Nepal
- 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 BIR
- RJB · Rajbiraj Airport33 mi away
- BHP · Bhojpur Airport48 mi away
- BDP · Bhadrapur Airport51 mi away
- TMI · Tumling Tar Airport58 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 BIR from ISB?
The flight distance from Biratnagar (BIR) to Islamabad (ISB) is 990 miles (1,593 km, 860 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BIR to ISB?
A nonstop flight takes about 2h 37m 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 BIR to ISB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BIR–ISB that never appear on search engines, with no booking fees.