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RBE to ISB: distance & flight time
Ratanakiri (Ratanakiri Airport) → Islamabad (New Islamabad International Airport)
2,539 mi
4,087 km · 2,207 nm
5h 27m
estimated nonstop flight time
—
time difference · heading northwest
See live RBE→ISB fares Phone-only fares on this route — call free
Flight time details
2,539 miles nonstop takes roughly 5h 27m 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
- RBE — Ratanakiri Airport · Ratanakiri, Cambodia
- 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 RBE
- TNX · Stung Treng Airport67 mi away
- PXU · Pleiku Airport72 mi away
- AOU · Attopeu Airport76 mi away
- BMV · Buon Ma Thuot Airport106 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 RBE from ISB?
The flight distance from Ratanakiri (RBE) to Islamabad (ISB) is 2,539 miles (4,087 km, 2,207 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RBE to ISB?
A nonstop flight takes about 5h 27m 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 RBE to ISB?
Nonstop service on RBE–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 5h 27m nonstop estimate.
What is the cheapest way to fly from RBE to ISB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RBE–ISB that never appear on search engines, with no booking fees.
Why are some RBE to ISB fares phone-only?
Consolidator contracts let us sell certain RBE–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.