Direct (nonstop) flights from Kathmandu to Singapore
1 airline flys nonstop from Tribhuvan International (KTM) to Singapore Changi Airport (SIN). 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 Kathmandu to Singapore with one stop · direct emits 370 kg CO₂ per passenger
Looking for the return flight?
SIN → KTM: Flights from Singapore to KathmanduOther direct flights from Kathmandu
Direct flights from Singapore (SIN)
Frequently Asked Questions
How long is the direct flight from Kathmandu to Singapore?
A nonstop flight from Kathmandu (KTM) to Singapore (SIN) takes approximately 5 hours. The distance is 2,192 miles (3,527 km).
Which airlines fly nonstop from Kathmandu to Singapore?
Just Singapore Airlines.
Is there a nonstop flight from Kathmandu to Singapore?
Yes. 1 airline: Singapore Airlines.
How far is Kathmandu from Singapore?
The flight distance from Kathmandu to Singapore 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 Kathmandu and Singapore?
Singapore is 3 hours ahead of Kathmandu. (Asia/Kathmandu vs Asia/Singapore.)
What type of aircraft flies from Kathmandu to Singapore?
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 Nepal to Singapore?
Depends on your passport. Check with the Singapore embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Kathmandu to Singapore?
Roughly 370 kg CO2 per passenger one-way. That's about the same as driving 1,850 km.
Is the return flight from Singapore 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 Singapore?
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?
3 hours before departure for international flights. You need time for check-in, security, and immigration.