Direct (nonstop) flights from Kathmandu to Seoul

1 airline flys nonstop from Tribhuvan International (KTM) to Incheon International Airport (ICN). It's 2,468 miles (3,972 km), about 6h 5m in the air. Operated by Korean Air.

KTM
Tribhuvan International
🇳🇵 Kathmandu, Nepal
ICN
Incheon International Airport
🇰🇷 Seoul, Republic of Korea
Flight Time
6h 5m
Distance
2,468 mi
3,972 km
CO₂/pax
417 kg
−25 kg vs. layover
Airlines
1
Korean Air
Time Diff
+4h
Operated by Korean Air Korean Air

Route data last updated: May 29, 2026

Airlines with non-stop flights

Korean Air KE Korean Air
Route
KTM → ICN
Flight Time
6h 5m
Distance
2,468 mi

Alternative Routes

Other ways to fly from Kathmandu to Seoul with one stop · direct emits 417 kg CO₂ per passenger

KTM KTM (Kathmandu) ICN
Leg 1: 1h (0 mi) Leg 2: 6h 5m (2,468 mi) Total: ~7h 5m 🍃 442 kg CO₂ (+6% vs. direct)
Leg 1
KTM → KTM
1h · 0 mi
View KTM to KTM flights →
Leg 2
KTM → ICN
6h 5m · 2,468 mi
View KTM to ICN flights →
KTM KMG (Kunming) ICN
Leg 1: 3h (1,103 mi) Leg 2: 4h 10m (1,624 mi) Total: ~7h 10m 🍃 485 kg CO₂ (+16% vs. direct)
Leg 1
KTM → KMG
3h · 1,103 mi
View KTM to KMG flights →
Leg 2
KMG → ICN
4h 10m · 1,624 mi
View KMG to ICN flights →
KTM TFU (Chengdu) ICN
Leg 1: 3h 50m (1,168 mi) Leg 2: 3h 30m (1,353 mi) Total: ~7h 20m 🍃 451 kg CO₂ (+8% vs. direct)
Leg 1
KTM → TFU
3h 50m · 1,168 mi
View KTM to TFU flights →
Leg 2
TFU → ICN
3h 30m · 1,353 mi
View TFU to ICN flights →
KTM CAN (Guangzhou) ICN
Leg 1: 4h 10m (1,766 mi) Leg 2: 3h 20m (1,244 mi) Total: ~7h 30m 🍃 533 kg CO₂ (+28% vs. direct)
Leg 1
KTM → CAN
4h 10m · 1,766 mi
View KTM to CAN flights →
Leg 2
CAN → ICN
3h 20m · 1,244 mi
View CAN to ICN flights →
KTM HKG (Hong Kong) ICN
Leg 1: 4h 30m (1,826 mi) Leg 2: 3h 35m (1,282 mi) Total: ~8h 5m 🍃 550 kg CO₂ (+32% vs. direct)
Leg 1
KTM → HKG
4h 30m · 1,826 mi
View KTM to HKG flights →
Leg 2
HKG → ICN
3h 35m · 1,282 mi
View HKG to ICN flights →

Looking for the return flight?

ICN → KTM: Flights from Seoul to Kathmandu

Frequently Asked Questions

How long is the direct flight from Kathmandu to Seoul?

A nonstop flight from Kathmandu (KTM) to Seoul (ICN) takes approximately 6 hours and 5 minutes. The distance is 2,468 miles (3,972 km).

Which airlines fly nonstop from Kathmandu to Seoul?

Just Korean Air.

Is there a nonstop flight from Kathmandu to Seoul?

Yes. 1 airline: Korean Air.

How far is Kathmandu from Seoul?

The flight distance from Kathmandu to Seoul 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 Kathmandu and Seoul?

Seoul is 4 hours ahead of Kathmandu. (Asia/Kathmandu vs Asia/Seoul.)

Will I experience jet lag flying from Kathmandu to Seoul?

Maybe mild — 4-hour difference. Most people adjust in a day or two.

What type of aircraft flies from Kathmandu to Seoul?

At 6h 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 Nepal to Republic of Korea?

Depends on your passport. Check with the Republic of Korea embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from Kathmandu to Seoul?

Roughly 417 kg CO2 per passenger one-way. That's about the same as driving 2,085 km.

Is the return flight from Seoul 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 Seoul?

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.