Direct (nonstop) flights from Seoul to Jeju
9 airlines fly nonstop from Gimpo (GMP) to Jeju International (CJU). It's 280 miles (450 km), about 1h 15m in the air. Operated by Jeju Air, Air Busan, Korean Air and others.
Jeju Air
Air Busan
Korean Air
Jin Air
Asiana Airlines
Air Seoul
+3 more
Route data last updated: May 27, 2026
Airlines with non-stop flights
OZ
Asiana Airlines
Alternative Routes
Other ways to fly from Seoul to Jeju with one stop · direct emits 52 kg CO₂ per passenger
Looking for the return flight?
CJU → GMP: Flights from Jeju to SeoulOther direct flights from Seoul
Direct flights from Jeju (CJU)
Frequently Asked Questions
How long is the direct flight from Seoul to Jeju?
A nonstop flight from Seoul (GMP) to Jeju (CJU) takes approximately 1 hours and 15 minutes. The distance is 280 miles (450 km).
Which airlines fly nonstop from Seoul to Jeju?
9 airlines: Jeju Air, Air Busan, Korean Air, Jin Air, Asiana Airlines, Air Seoul, T´Way Air, Thai Smile, Eastar Jet.
Is there a nonstop flight from Seoul to Jeju?
Yes. 9 airlines: Jeju Air, Air Busan, Korean Air, Jin Air, Asiana Airlines, Air Seoul, T´Way Air, Thai Smile, Eastar Jet.
How far is Seoul from Jeju?
The flight distance from Seoul to Jeju is 280 miles (450 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Paris.
What type of aircraft flies from Seoul to Jeju?
At 1h 15m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Seoul to Jeju?
Roughly 52 kg CO2 per passenger one-way. That's about the same as driving 260 km.
Is the return flight from Jeju 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 Jeju?
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 Gimpo for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.