Direct (nonstop) flights from Niigata to Seoul

1 airline flys nonstop from Niigata Airport (KIJ) to Incheon International Airport (ICN). It's 694 miles (1,117 km), about 2h 28m in the air. Operated by Korean Air.

KIJ
Niigata Airport
🇯🇵 Niigata, Japan
ICN
Incheon International Airport
🇰🇷 Seoul, Republic of Korea
Flight Time
2h 28m
Distance
694 mi
1,117 km
CO₂/pax
128 kg
−68 kg vs. layover
Airlines
1
Korean Air
Time Diff
Same timezone
Operated by Korean Air Korean Air

Route data last updated: May 29, 2026

Airlines with non-stop flights

Korean Air KE Korean Air
Route
KIJ → ICN
Flight Time
2h 28m
Distance
694 mi

Alternative Routes

Other ways to fly from Niigata to Seoul with one stop · direct emits 128 kg CO₂ per passenger

KIJ FUK (Fukuoka) ICN
Leg 1: 1h 50m (572 mi) Leg 2: 1h 30m (349 mi) Total: ~3h 20m 🍃 196 kg CO₂ (+53% vs. direct)
Leg 1
KIJ → FUK
1h 50m · 572 mi
View KIJ to FUK flights →
Leg 2
FUK → ICN
1h 30m · 349 mi
View FUK to ICN flights →
KIJ NGO (Nagoya) ICN
Leg 1: 1h 20m (249 mi) Leg 2: 2h 5m (606 mi) Total: ~3h 25m 🍃 183 kg CO₂ (+43% vs. direct)
Leg 1
KIJ → NGO
1h 20m · 249 mi
View KIJ to NGO flights →
Leg 2
NGO → ICN
2h 5m · 606 mi
View NGO to ICN flights →
KIJ UKB (Kobe) ICN
Leg 1: 1h 43m (314 mi) Leg 2: 1h 55m (528 mi) Total: ~3h 38m 🍃 181 kg CO₂ (+41% vs. direct)
Leg 1
KIJ → UKB
1h 43m · 314 mi
View KIJ to UKB flights →
Leg 2
UKB → ICN
1h 55m · 528 mi
View UKB to ICN flights →
KIJ CTS (Sapporo) ICN
Leg 1: 1h 20m (360 mi) Leg 2: 3h 10m (885 mi) Total: ~4h 30m 🍃 256 kg CO₂ (+100% vs. direct)
Leg 1
KIJ → CTS
1h 20m · 360 mi
View KIJ to CTS flights →
Leg 2
CTS → ICN
3h 10m · 885 mi
View CTS to ICN flights →
KIJ OKA (Okinawa) ICN
Leg 1: 2h 58m (1,050 mi) Leg 2: 2h 20m (779 mi) Total: ~5h 18m 🍃 346 kg CO₂ (+170% vs. direct)
Leg 1
KIJ → OKA
2h 58m · 1,050 mi
View KIJ to OKA flights →
Leg 2
OKA → ICN
2h 20m · 779 mi
View OKA to ICN flights →

Looking for the return flight?

ICN → KIJ: Flights from Seoul to Niigata

Frequently Asked Questions

How long is the direct flight from Niigata to Seoul?

A nonstop flight from Niigata (KIJ) to Seoul (ICN) takes approximately 2 hours and 28 minutes. The distance is 694 miles (1,117 km).

Which airlines fly nonstop from Niigata to Seoul?

Just Korean Air.

Is there a nonstop flight from Niigata to Seoul?

Yes. 1 airline: Korean Air.

How far is Niigata from Seoul?

The flight distance from Niigata to Seoul is 694 miles (1,117 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.

What type of aircraft flies from Niigata to Seoul?

At 2h 28m, 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 Japan 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 Niigata to Seoul?

Roughly 128 kg CO2 per passenger one-way. That's about the same as driving 640 km.

Is the return flight from Seoul to Niigata 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 Niigata 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 Niigata Airport for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.