ICN to SYD: Distance and Flight Time
The distance from Incheon International Airport (ICN) to Sydney Kingsford Smith International Airport (SYD) is 8,343 km (5,184 mi). A typical nonstop flight covers it in about 10h 55m, heading south. The distance is the same in either direction (SYD to ICN).
How far is it from Seoul to Sydney (Mascot)?
The great-circle distance between Incheon International Airport (ICN) and Sydney Kingsford Smith International Airport (SYD) is 8,343 km (5,184 mi, 4,505 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from ICN to SYD?
A nonstop flight typically takes about 10h 55m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. SYD is roughly south of ICN.
How is the ICN to SYD route written in code?
The pair is written ICN-SYD in IATA codes and RKSI-YSSY in ICAO codes, the form used on a flight plan. Incheon International Airport is ICN (RKSI), Sydney Kingsford Smith International Airport is SYD (YSSY).
| ICN | SYD | |
|---|---|---|
| Airport | Incheon International Airport | Sydney Kingsford Smith International Airport |
| ICAO code | RKSI | YSSY |
| Country | South Korea | Australia |
| Elevation | 23 ft | 21 ft |
| Rank by connections | #14 | #65 |
RKSI starts with R, the ICAO prefix for East Asia; YSSY starts with Y, the prefix for Australia. How ICAO prefixes are laid out.
The two fields sit at almost the same height, within 2 ft (1 m) of each other.
Airlines flying ICN to SYD
2 airlines appear on this route in the open route dataset, 2 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| KE | Korean Air | KAL | Koreanair | Active |
| OZ | Asiana Airlines | AAR | Asiana | Active |
A further 2 carriers sell this pair as a codeshare without operating it: QF, TK.
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is Seoul from Sydney (Mascot)?
Incheon International Airport (ICN) and Sydney Kingsford Smith International Airport (SYD) are 8,343 km (5,184 mi, 4,505 nautical miles) apart in a straight line.
How long is the flight from ICN to SYD?
A typical nonstop flight between ICN and SYD takes about 10h 55m. Actual times vary with aircraft type, winds and routing.
What direction is SYD from ICN?
Sydney Kingsford Smith International Airport (SYD) lies roughly south of Incheon International Airport (ICN).
Which airlines fly ICN to SYD?
2 airlines appear on the ICN-SYD route in the open dataset, including Korean Air, Asiana Airlines.
Related routes
Other routes from Seoul (ICN):
Other routes from Sydney (Mascot) (SYD):
ICN airport code · SYD airport code · Busiest airports worldwide