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CMB to ISB: distance & flight time
Colombo (Bandaranaike International Colombo Airport) → Islamabad (New Islamabad International Airport)
1,877 mi
3,021 km · 1,631 nm
4h 9m
estimated nonstop flight time
—
time difference · heading north
See live CMB→ISB fares Phone-only fares on this route — call free
Flight time details
1,877 miles nonstop takes roughly 4h 9m 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
- CMB — Bandaranaike International Colombo Airport · Colombo, Sri Lanka
- 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 CMB
- RML · Colombo Ratmalana Airport25 mi away
- GIU · Sigiriya Air Force Base79 mi away
- ACJ · Anuradhapura Air Force Base86 mi away
- KCT · Koggala Airport87 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 CMB from ISB?
The flight distance from Colombo (CMB) to Islamabad (ISB) is 1,877 miles (3,021 km, 1,631 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMB to ISB?
A nonstop flight takes about 4h 9m 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 CMB to ISB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMB–ISB that never appear on search engines, with no booking fees.