Distance From Stephens Island Seaplane Base to Incheon International Airport, STF - ICN Distance

The distance from Stephens Island Seaplane Base (STF) to Incheon International Airport (ICN) is 3430 miles or 5519 kilometers or 2978 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Stephens Island ( Australia ) to Seoul ( South Korea )?

A one-way nonstop (direct) flight between Stephens Island and Seoul takes around 7 hours 53 minutes.

Estimated flight time from Stephens Island Seaplane Base, Stephens Island, Australia to Incheon International Airport, Seoul, South Korea is 7 hours 53 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • STF - ICN

Kilometers		5519 km
Statute Miles		3430 miles
Nautical Miles		2978 nm
Avg. Time of Flight		7 hours 53 minutes

Stephens Island Seaplane Base to Incheon International Airport Flight Route Map - STF to ICN Flight Path

Location of Stephens Island Seaplane Base & Incheon International Airport is given below.
Click the map to view Stephens Island to Seoul nonstop flight path and travel direction.

Click to see flight route on Google Map between Stephens Island, Australia and Seoul, South Korea. .

Nonstop flight route between Stephens Island, Australia and Seoul, South Korea.

Time Difference Between the Airports • STF - ICN

Time difference between Stephens Island (Australia) and Seoul (South Korea) is 1 Hours.
Seoul time is 1 Hours behind Stephens Island.

Location	Local Time
Stephens Island (Australia)	2025-12-16, 22:38:07 AEST
Seoul (South Korea)	2025-12-16, 21:38:07 KST

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Stephens Island Seaplane Base (STF / YSTI) Stephens Island, Australia

Destination

Incheon International Airport (ICN / RKSI) Seoul, South Korea