Direct (nonstop) flights from Singapore to Kathmandu
1 airline flys nonstop from Singapore Changi Airport (SIN) to Tribhuvan International (KTM). It's 2,192 miles (3,527 km), about 5h in the air. Operated by Singapore Airlines.
Singapore Airlines
Route data last updated: May 27, 2026
Airlines with non-stop flights
SQ
Singapore Airlines
Alternative Routes
Other ways to fly from Singapore to Kathmandu with one stop · direct emits 370 kg CO₂ per passenger
Looking for the return flight?
KTM → SIN: Flights from Kathmandu to SingaporeOther direct flights from Singapore
Direct flights from Kathmandu (KTM)
Frequently Asked Questions
How long is the direct flight from Singapore to Kathmandu?
A nonstop flight from Singapore (SIN) to Kathmandu (KTM) takes approximately 5 hours. The distance is 2,192 miles (3,527 km).
Which airlines fly nonstop from Singapore to Kathmandu?
Just Singapore Airlines.
Is there a nonstop flight from Singapore to Kathmandu?
Yes. 1 airline: Singapore Airlines.
How far is Singapore from Kathmandu?
The flight distance from Singapore to Kathmandu is 2,192 miles (3,527 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.
What is the time difference between Singapore and Kathmandu?
Kathmandu is 3 hours behind Singapore. (Asia/Singapore vs Asia/Kathmandu.)
What type of aircraft flies from Singapore to Kathmandu?
At 5h, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from Singapore to Nepal?
Depends on your passport. Check with the Nepal embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Singapore to Kathmandu?
Roughly 370 kg CO2 per passenger one-way. That's about the same as driving 1,850 km.
Is the return flight from Kathmandu to Singapore 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 Singapore 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 Singapore Changi Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.