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Flight distance & time
Tribhuvan International Airport → Biratnagar Airport
KTMBIR
- Distance
- 231 km · 143 mi
- Flight time
- 01h 02m
- CO₂ per passenger
- 20 kg
This Tribhuvan International Airport → Biratnagar Airport route is 231 km (143 mi) end to end. The estimated flight time is 01h 02m, and a passenger's share of CO₂ works out at roughly 20 kg.
See the reverse route: Biratnagar Airport → Tribhuvan International Airport
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Your route
- FromKTMTribhuvan International AirportKathmandu, Central-Region
- ToBIRBiratnagar AirportBiratnagar, Eastern-Region
Flight map
Track your lifetime distance flown across every trip.
Route service
Average daily flights~13 flights/day
Airlines on this route
Shree AirlinesYeti Airlines
Common questions
Tribhuvan International Airport to Biratnagar Airport FAQ
How far is Tribhuvan International Airport from Biratnagar Airport?
Tribhuvan International Airport (KTM) and Biratnagar Airport (BIR) are 231 km (143 mi) apart, measured along the great-circle route.
How long is the flight from Tribhuvan International Airport to Biratnagar Airport?
A direct KTM–BIR flight covers the distance in about 01h 02m, though the exact time shifts with aircraft type and winds.
How much CO₂ does a flight from Tribhuvan International Airport to Biratnagar Airport produce?
A passenger's share of CO₂ on the KTM–BIR route is roughly 20 kg.
Which airlines fly from Tribhuvan International Airport to Biratnagar Airport?
Shree Airlines, Yeti Airlines operate scheduled service between KTM and BIR.
Flight distance and time are estimates for ideal conditions — actual figures vary with aircraft type, routing and weather.
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