Direct (nonstop) flights from Kathmandu to Simara
1 airline flys nonstop from Tribhuvan International (KTM) to Simara (SIF). It's 43 miles (70 km), about 15m in the air. Operated by Buddha Air.
Buddha Air
Route data last updated: May 31, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Kathmandu to Simara with one stop · direct emits 8 kg CO₂ per passenger
Looking for the return flight?
SIF → KTM: Flights from Simara to KathmanduOther direct flights from Kathmandu
Frequently Asked Questions
How long is the direct flight from Kathmandu to Simara?
A nonstop flight from Kathmandu (KTM) to Simara (SIF) takes approximately 0 hours and 15 minutes. The distance is 43 miles (70 km).
Which airlines fly nonstop from Kathmandu to Simara?
Just Buddha Air.
Is there a nonstop flight from Kathmandu to Simara?
Yes. 1 airline: Buddha Air.
How far is Kathmandu from Simara?
The flight distance from Kathmandu to Simara is 43 miles (70 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as a short drive across a city.
What type of aircraft flies from Kathmandu to Simara?
At 15m, 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 Simara?
Roughly 8 kg CO2 per passenger one-way. That's about the same as driving 40 km.
Is the return flight from Simara 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 Simara?
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.