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BST to ISB: distance & flight time
Lashkar Gah (Bost Airport) → Islamabad (New Islamabad International Airport)
513 mi
826 km · 446 nm
1h 35m
estimated nonstop flight time
—
time difference · heading east
See live BST→ISB fares Phone-only fares on this route — call free
Flight time details
513 miles nonstop takes roughly 1h 35m gate to gate, flying east. 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
- BST — Bost Airport · Lashkar Gah, Afghanistan
- 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 BST
- OAZ · Camp Bastion Airport23 mi away
- KDH · Kandahar Airport87 mi away
- TII · Tarin Kowt Airport114 mi away
- FAH · Farah Airport140 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 BST from ISB?
The flight distance from Lashkar Gah (BST) to Islamabad (ISB) is 513 miles (826 km, 446 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BST to ISB?
A nonstop flight takes about 1h 35m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from BST to ISB?
Nonstop service on BST–ISB depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 35m nonstop estimate.
What is the cheapest way to fly from BST to ISB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BST–ISB that never appear on search engines, with no booking fees.
Why are some BST to ISB fares phone-only?
Consolidator contracts let us sell certain BST–ISB tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.