Direct (nonstop) flights from Seoul to Yanji

6 airlines fly nonstop from Incheon International Airport (ICN) to Yanji Airport (YNJ). It's 406 miles (654 km), about 2h 20m in the air. Operated by Jeju Air, Air China, China Southern Airlines and others.

ICN
Incheon International Airport
🇰🇷 Seoul, Republic of Korea
YNJ
Yanji Airport
🇨🇳 Yanji, China
Flight Time
2h 20m
Distance
406 mi
654 km
CO₂/pax
75 kg
−94 kg vs. layover
Airlines
6
Jeju Air +5
Time Diff
-1h
Operated by Jeju Air Jeju Air Air China Air China China Southern Airlines China Southern Airlines Korean Air Korean Air China Eastern Airlines China Eastern Airlines Asiana Airlines Asiana Airlines

Route data last updated: May 30, 2026

Airlines with non-stop flights

Jeju Air 7C Jeju Air
Route
ICN → YNJ
Flight Time
2h 20m
Distance
406 mi
Air China CA Air China
Route
ICN → YNJ
Flight Time
2h 20m
Distance
406 mi
China Southern Airlines CZ China Southern Airlines
Route
ICN → YNJ
Flight Time
2h 20m
Distance
406 mi
Korean Air KE Korean Air
Route
ICN → YNJ
Flight Time
2h 20m
Distance
406 mi
China Eastern Airlines MU China Eastern Airlines
Route
ICN → YNJ
Flight Time
2h 20m
Distance
406 mi
Asiana Airlines OZ Asiana Airlines
Route
ICN → YNJ
Flight Time
2h 20m
Distance
406 mi

Alternative Routes

Other ways to fly from Seoul to Yanji with one stop · direct emits 75 kg CO₂ per passenger

ICN WEH (Weihai) YNJ
Leg 1: 1h 15m (232 mi) Leg 2: 1h 45m (547 mi) Total: ~3h 🍃 169 kg CO₂ (+125% vs. direct)
Leg 1
ICN → WEH
1h 15m · 232 mi
View ICN to WEH flights →
Leg 2
WEH → YNJ
1h 45m · 547 mi
View WEH to YNJ flights →
ICN CGQ (Changchun) YNJ
Leg 1: 2h 15m (452 mi) Leg 2: 1h 5m (203 mi) Total: ~3h 20m 🍃 147 kg CO₂ (+96% vs. direct)
Leg 1
ICN → CGQ
2h 15m · 452 mi
View ICN to CGQ flights →
Leg 2
CGQ → YNJ
1h 5m · 203 mi
View CGQ to YNJ flights →
ICN YNT (Yantai) YNJ
Leg 1: 1h 33m (300 mi) Leg 2: 2h (574 mi) Total: ~3h 33m 🍃 186 kg CO₂ (+148% vs. direct)
Leg 1
ICN → YNT
1h 33m · 300 mi
View ICN to YNT flights →
Leg 2
YNT → YNJ
2h · 574 mi
View YNT to YNJ flights →
ICN TAO (Qingdao) YNJ
Leg 1: 1h 45m (360 mi) Leg 2: 2h 5m (671 mi) Total: ~3h 50m 🍃 216 kg CO₂ (+188% vs. direct)
Leg 1
ICN → TAO
1h 45m · 360 mi
View ICN to TAO flights →
Leg 2
TAO → YNJ
2h 5m · 671 mi
View TAO to YNJ flights →
ICN TNA (Jinan) YNJ
Leg 1: 1h 45m (511 mi) Leg 2: 2h 8m (771 mi) Total: ~3h 53m 🍃 263 kg CO₂ (+251% vs. direct)
Leg 1
ICN → TNA
1h 45m · 511 mi
View ICN to TNA flights →
Leg 2
TNA → YNJ
2h 8m · 771 mi
View TNA to YNJ flights →

Looking for the return flight?

YNJ → ICN: Flights from Yanji to Seoul

Frequently Asked Questions

How long is the direct flight from Seoul to Yanji?

A nonstop flight from Seoul (ICN) to Yanji (YNJ) takes approximately 2 hours and 20 minutes. The distance is 406 miles (654 km).

Which airlines fly nonstop from Seoul to Yanji?

6 airlines: Jeju Air, Air China, China Southern Airlines, Korean Air, China Eastern Airlines, Asiana Airlines.

Is there a nonstop flight from Seoul to Yanji?

Yes. 6 airlines: Jeju Air, Air China, China Southern Airlines, Korean Air, China Eastern Airlines, Asiana Airlines.

How far is Seoul from Yanji?

The flight distance from Seoul to Yanji is 406 miles (654 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.

What is the time difference between Seoul and Yanji?

Yanji is 1 hour ahead of Seoul. (Asia/Seoul vs Asia/Shanghai.)

What type of aircraft flies from Seoul to Yanji?

At 2h 20m, 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 Republic of Korea to China?

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

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

Roughly 75 kg CO2 per passenger one-way. That's about the same as driving 375 km.

Is the return flight from Yanji 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 Yanji?

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.