Direct (nonstop) flights from Jeju to Seoul

9 airlines fly nonstop from Jeju International (CJU) to Gimpo (GMP). It's 280 miles (450 km), about 1h 15m in the air. Operated by Jeju Air, Air Busan, Korean Air and others.

CJU
Jeju International
🇰🇷 Jeju, Republic of Korea
GMP
Gimpo
🇰🇷 Seoul, Republic of Korea
Flight Time
1h 15m
Distance
280 mi
450 km
CO₂/pax
52 kg
−25 kg vs. layover
Airlines
9
Jeju Air +8
Time Diff
Same timezone
Operated by Jeju Air Jeju Air Air Busan Air Busan Korean Air Korean Air Jin Air Jin Air Asiana Airlines Asiana Airlines Air Seoul Air Seoul +3 more

Route data last updated: May 29, 2026

Airlines with non-stop flights

Jeju Air 7C Jeju Air
Route
CJU → GMP
Flight Time
1h 15m
Distance
280 mi
Air Busan BX Air Busan
Route
CJU → GMP
Flight Time
1h 15m
Distance
280 mi
Korean Air KE Korean Air
Route
CJU → GMP
Flight Time
1h 15m
Distance
280 mi
Jin Air LJ Jin Air
Route
CJU → GMP
Flight Time
1h 15m
Distance
280 mi
Asiana Airlines OZ Asiana Airlines
Route
CJU → GMP
Flight Time
1h 15m
Distance
280 mi
Air Seoul RS Air Seoul
Route
CJU → GMP
Flight Time
1h 15m
Distance
280 mi
T´Way Air TW T´Way Air
Route
CJU → GMP
Flight Time
1h 15m
Distance
280 mi
Thai Smile WE Thai Smile
Route
CJU → GMP
Flight Time
1h 15m
Distance
280 mi
Eastar Jet ZE Eastar Jet
Route
CJU → GMP
Flight Time
1h 15m
Distance
280 mi

Alternative Routes

Other ways to fly from Jeju to Seoul with one stop · direct emits 52 kg CO₂ per passenger

CJU KWJ (Gwangju) GMP
Leg 1: 55m (114 mi) Leg 2: 1h (167 mi) Total: ~1h 55m 🍃 77 kg CO₂ (+48% vs. direct)
Leg 1
CJU → KWJ
55m · 114 mi
View CJU to KWJ flights →
Leg 2
KWJ → GMP
1h · 167 mi
View KWJ to GMP flights →
CJU RSU (Yeosu) GMP
Leg 1: 55m (112 mi) Leg 2: 1h (193 mi) Total: ~1h 55m 🍃 82 kg CO₂ (+58% vs. direct)
Leg 1
CJU → RSU
55m · 112 mi
View CJU to RSU flights →
Leg 2
RSU → GMP
1h · 193 mi
View RSU to GMP flights →
CJU HIN (Jinju) GMP
Leg 1: 1h (142 mi) Leg 2: 1h (184 mi) Total: ~2h 🍃 85 kg CO₂ (+63% vs. direct)
Leg 1
CJU → HIN
1h · 142 mi
View CJU to HIN flights →
Leg 2
HIN → GMP
1h · 184 mi
View HIN to GMP flights →
CJU PUS (Busan) GMP
Leg 1: 1h (181 mi) Leg 2: 1h 5m (203 mi) Total: ~2h 5m 🍃 96 kg CO₂ (+85% vs. direct)
Leg 1
CJU → PUS
1h · 181 mi
View CJU to PUS flights →
Leg 2
PUS → GMP
1h 5m · 203 mi
View PUS to GMP flights →
CJU KPO (Pohang) GMP
Leg 1: 1h 5m (239 mi) Leg 2: 1h (181 mi) Total: ~2h 5m 🍃 103 kg CO₂ (+98% vs. direct)
Leg 1
CJU → KPO
1h 5m · 239 mi
View CJU to KPO flights →
Leg 2
KPO → GMP
1h · 181 mi
View KPO to GMP flights →

Looking for the return flight?

GMP → CJU: Flights from Seoul to Jeju

Frequently Asked Questions

How long is the direct flight from Jeju to Seoul?

A nonstop flight from Jeju (CJU) to Seoul (GMP) takes approximately 1 hours and 15 minutes. The distance is 280 miles (450 km).

Which airlines fly nonstop from Jeju to Seoul?

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 Jeju to Seoul?

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 Jeju from Seoul?

The flight distance from Jeju to Seoul 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 Jeju to Seoul?

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 Jeju to Seoul?

Roughly 52 kg CO2 per passenger one-way. That's about the same as driving 260 km.

Is the return flight from Seoul to Jeju 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 Jeju 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 Jeju International for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.