Need help booking?
Unpublished phone-only deals available
BIR to ISU: distance & flight time
Biratnagar (Biratnagar Airport) → Sulaymaniyah (Sulaymaniyah International Airport)
2,542 mi
4,090 km · 2,209 nm
5h 27m
estimated nonstop flight time
-2.7h
time difference · heading northwest
See live BIR→ISU fares Phone-only fares on this route — call free
Flight time details
2,542 miles nonstop takes roughly 5h 27m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.7-hour time set-back when reading arrival times on your ticket.
The two airports
- BIR — Biratnagar Airport · Biratnagar, Nepal
- ISU — Sulaymaniyah International Airport · Sulaymaniyah, Iraq
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 ISU
- KIK · Kirkuk Air Base55 mi away
- EBL · Erbil International Airport89 mi away
- SDG · Sanandaj Airport98 mi away
- XQC · Joint Base Balad124 mi away
Frequently asked questions
How far is BIR from ISU?
The flight distance from Biratnagar (BIR) to Sulaymaniyah (ISU) is 2,542 miles (4,090 km, 2,209 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BIR to ISU?
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.
What is the time difference between Biratnagar and Sulaymaniyah?
Sulaymaniyah is 2.7 hours behind Biratnagar.
What is the cheapest way to fly from BIR to ISU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BIR–ISU that never appear on search engines, with no booking fees.