Direct (nonstop) flights from Kathmandu to Biratnagar
3 airlines fly nonstop from Tribhuvan International (KTM) to Biratnagar (BIR). It's 144 miles (232 km), about 40m in the air. Operated by Shree Airlines, Buddha Air, Yeti Airlines.
Shree Airlines
Buddha Air
Yeti Airlines
Route data last updated: May 27, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Kathmandu to Biratnagar with one stop · direct emits 27 kg CO₂ per passenger
Looking for the return flight?
BIR → KTM: Flights from Biratnagar to KathmanduOther direct flights from Kathmandu
Direct flights from Biratnagar (BIR)
Frequently Asked Questions
How long is the direct flight from Kathmandu to Biratnagar?
A nonstop flight from Kathmandu (KTM) to Biratnagar (BIR) takes approximately 0 hours and 40 minutes. The distance is 144 miles (232 km).
Which airlines fly nonstop from Kathmandu to Biratnagar?
3 airlines: Shree Airlines, Buddha Air, Yeti Airlines.
Is there a nonstop flight from Kathmandu to Biratnagar?
Yes. 3 airlines: Shree Airlines, Buddha Air, Yeti Airlines.
How far is Kathmandu from Biratnagar?
The flight distance from Kathmandu to Biratnagar is 144 miles (232 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Kathmandu to Biratnagar?
At 40m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Kathmandu to Biratnagar?
Roughly 27 kg CO2 per passenger one-way. That's about the same as driving 135 km.
Is the return flight from Biratnagar to Kathmandu also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Kathmandu to Biratnagar?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Tribhuvan International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.