Osaka to Seoul
1h 28m The flight from Kansai International Airport (KIX) to Seoul Gimpo International Airport (GMP) covers 836 km (519 miles) and takes approximately 1h 28m gate to gate for a typical jet.
The route heads north-west on an initial great-circle bearing of 297°, passing near 36.1° N, 131.1° E at its midpoint.
The route
The great-circle path — the shortest line between the two airports across the curve of the earth. On a flat map it looks bent; on a globe it is straight.
Flight time at different cruise speeds
Aircraft type, winds and routing all move the real number. This is the same distance flown at different speeds, plus the 25-minute ground and climb allowance.
| Typical of | Cruise speed | Airborne | Gate to gate |
|---|---|---|---|
| Turboprop / regional | 550 km/h | 1h 31m | 1h 56m |
| Narrowbody jet (A320, 737) | 780 km/h | 1h 04m | 1h 30m |
| Widebody jet (777, 787, A350) | 900 km/h | 56m | 1h 21m |
| Private jet (Gulfstream) | 850 km/h | 59m | 1h 24m |
Headwinds on an eastbound long-haul routinely add 30–60 minutes; the same route westbound can be quicker. Airlines publish schedules with padding built in.
Both airports
| KIX | GMP | |
|---|---|---|
| Airport | Kansai International Airport | Seoul Gimpo International Airport |
| City | Osaka | Seoul |
| Country | Japan | South Korea |
| ICAO | RJBB | RKSS |
| Coordinates | 34.4273, 135.244 | 37.5583, 126.791 |
| Elevation | 26 ft | 59 ft |
Questions
How long is the flight from Osaka to Seoul?
A non-stop flight from Osaka (KIX) to Seoul (GMP) takes about 1h 28m. The great-circle distance is 836 km (519 miles, 451 nautical miles), flying north-west on an initial bearing of 297°.
How far is Osaka from Seoul?
836 kilometres in a straight line over the earth's surface — 519 miles or 451 nautical miles. Actual flown distance is usually 2–5% longer because aircraft follow airways, avoid weather and route around restricted airspace.
Is there a non-stop flight between KIX and GMP?
This page calculates the direct-line time and distance; it does not track airline schedules. At 836 km the route is comfortably within range of a non-stop service if an airline chooses to fly it. Check an airline or booking site for what is actually scheduled.
Airport coordinates from OurAirports (public domain). Distance is a great-circle calculation; flight time uses the model described on the method page. Flight times are great-circle estimates for planning only — always check the airline's published schedule.