Direct (nonstop) flights from Biratnagar to Kathmandu
3 airlines fly nonstop from Biratnagar (BIR) to Tribhuvan International (KTM). 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 26, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Biratnagar to Kathmandu with one stop · direct emits 27 kg CO₂ per passenger
Looking for the return flight?
KTM → BIR: Flights from Kathmandu to BiratnagarDirect flights from Kathmandu (KTM)
Frequently Asked Questions
How long is the direct flight from Biratnagar to Kathmandu?
A nonstop flight from Biratnagar (BIR) to Kathmandu (KTM) takes approximately 0 hours and 40 minutes. The distance is 144 miles (232 km).
Which airlines fly nonstop from Biratnagar to Kathmandu?
3 airlines: Shree Airlines, Buddha Air, Yeti Airlines.
Is there a nonstop flight from Biratnagar to Kathmandu?
Yes. 3 airlines: Shree Airlines, Buddha Air, Yeti Airlines.
How far is Biratnagar from Kathmandu?
The flight distance from Biratnagar to Kathmandu is 144 miles (232 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Biratnagar to Kathmandu?
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 Biratnagar to Kathmandu?
Roughly 27 kg CO2 per passenger one-way. That's about the same as driving 135 km.
Is the return flight from Kathmandu to Biratnagar 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 Biratnagar to Kathmandu?
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 Biratnagar for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.