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ISA to BIR: distance & flight time
Mount Isa (Mount Isa Airport) → Biratnagar (Biratnagar Airport)
4,779 mi
7,691 km · 4,153 nm
9h 50m
estimated nonstop flight time
-4.2h
time difference · heading northwest
See live ISA→BIR fares Phone-only fares on this route — call free
Flight time details
4,779 miles nonstop takes roughly 9h 50m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.2-hour time set-back when reading arrival times on your ticket.
The two airports
- ISA — Mount Isa Airport · Mount Isa, Australia
- BIR — Biratnagar Airport · Biratnagar, Nepal
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 ISA
- CNJ · Cloncurry Airport66 mi away
- JCK · Julia Creek Airport144 mi away
Near BIR
- RJB · Rajbiraj Airport33 mi away
- BHP · Bhojpur Airport48 mi away
- BDP · Bhadrapur Airport51 mi away
- TMI · Tumling Tar Airport58 mi away
Frequently asked questions
How far is ISA from BIR?
The flight distance from Mount Isa (ISA) to Biratnagar (BIR) is 4,779 miles (7,691 km, 4,153 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISA to BIR?
A nonstop flight takes about 9h 50m 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 ISA to BIR?
Nonstop service on ISA–BIR 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 9h 50m nonstop estimate.
What is the time difference between Mount Isa and Biratnagar?
Biratnagar is 4.2 hours behind Mount Isa.
What is the cheapest way to fly from ISA to BIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISA–BIR that never appear on search engines, with no booking fees.
Why are some ISA to BIR fares phone-only?
Consolidator contracts let us sell certain ISA–BIR 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.