Direct (nonstop) flights from Seoul to Ulsan

2 airlines fly nonstop from Gimpo (GMP) to Ulsan (USN). It's 196 miles (315 km), about 1h in the air. Operated by Korean Air, Jin Air.

GMP
Gimpo
🇰🇷 Seoul, Republic of Korea
USN
Ulsan
🇰🇷 Ulsan, Republic of Korea
Flight Time
1h
Distance
196 mi
315 km
CO₂/pax
36 kg
−81 kg vs. layover
Airlines
2
Korean Air +1
Time Diff
Same timezone
Operated by Korean Air Korean Air Jin Air Jin Air

Route data last updated: May 29, 2026

Airlines with non-stop flights

Korean Air KE Korean Air
Route
GMP → USN
Flight Time
1h
Distance
196 mi
Jin Air LJ Jin Air
Route
GMP → USN
Flight Time
1h
Distance
196 mi

Alternative Routes

Other ways to fly from Seoul to Ulsan with one stop · direct emits 36 kg CO₂ per passenger

GMP CJU (Jeju) USN
Leg 1: 1h 15m (280 mi) Leg 2: 1h 10m (217 mi) Total: ~2h 25m 🍃 117 kg CO₂ (+225% vs. direct)
Leg 1
GMP → CJU
1h 15m · 280 mi
View GMP to CJU flights →
Leg 2
CJU → USN
1h 10m · 217 mi
View CJU to USN flights →

Looking for the return flight?

USN → GMP: Flights from Ulsan to Seoul

Frequently Asked Questions

How long is the direct flight from Seoul to Ulsan?

A nonstop flight from Seoul (GMP) to Ulsan (USN) takes approximately 1 hours. The distance is 196 miles (315 km).

Which airlines fly nonstop from Seoul to Ulsan?

2 airlines: Korean Air, Jin Air.

Is there a nonstop flight from Seoul to Ulsan?

Yes. 2 airlines: Korean Air, Jin Air.

How far is Seoul from Ulsan?

The flight distance from Seoul to Ulsan is 196 miles (315 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Washington DC.

What type of aircraft flies from Seoul to Ulsan?

At 1h, 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 Ulsan?

Roughly 36 kg CO2 per passenger one-way. That's about the same as driving 180 km.

Is the return flight from Ulsan 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 Ulsan?

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.