Direct (nonstop) flights from Seoul to Kathmandu
1 airline flys nonstop from Incheon International Airport (ICN) to Tribhuvan International (KTM). It's 2,468 miles (3,972 km), about 7h 5m in the air. Operated by Korean Air.
Korean Air
Route data last updated: May 29, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Seoul to Kathmandu with one stop · direct emits 417 kg CO₂ per passenger
Looking for the return flight?
KTM → ICN: Flights from Kathmandu to SeoulOther direct flights from Seoul
Direct flights from Kathmandu (KTM)
Frequently Asked Questions
How long is the direct flight from Seoul to Kathmandu?
A nonstop flight from Seoul (ICN) to Kathmandu (KTM) takes approximately 7 hours and 5 minutes. The distance is 2,468 miles (3,972 km).
Which airlines fly nonstop from Seoul to Kathmandu?
Just Korean Air.
Is there a nonstop flight from Seoul to Kathmandu?
Yes. 1 airline: Korean Air.
How far is Seoul from Kathmandu?
The flight distance from Seoul to Kathmandu is 2,468 miles (3,972 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 Seoul and Kathmandu?
Kathmandu is 4 hours behind Seoul. (Asia/Seoul vs Asia/Kathmandu.)
Will I experience jet lag flying from Seoul to Kathmandu?
Maybe mild — 4-hour difference. Most people adjust in a day or two.
What type of aircraft flies from Seoul to Kathmandu?
At 7h 5m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.
Do I need a visa to travel from Republic of Korea 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 Seoul to Kathmandu?
Roughly 417 kg CO2 per passenger one-way. That's about the same as driving 2,085 km.
Is the return flight from Kathmandu to Seoul 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 Seoul 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 Incheon International Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.