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.
Route data last updated: May 30, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Seoul to Yanji with one stop · direct emits 75 kg CO₂ per passenger
Looking for the return flight?
YNJ → ICN: Flights from Yanji to SeoulOther direct flights from Seoul
Direct flights from Yanji (YNJ)
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.