The distance from Incheon International Airport (ICN) to Juanda International Airport (SUB) is 3222 miles or 5185 kilometers or 2798 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.
5185 kilometers is the direct flight distance between Incheon International Airport (South Korea) and Juanda International Airport (Indonesia).
How long does it take to travel from Seoul ( South Korea ) to Surabaya ( Indonesia )?
A one-way nonstop (direct) flight between Seoul and Surabaya takes around 7 hours 24 minutes.
Estimated
flight time from Incheon International Airport, Seoul, South Korea to Juanda International Airport, Surabaya, Indonesia is
7 hours 24 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 • ICN - SUB
| Kilometers | | 5185 km |
| Statute Miles | | 3222 miles |
| Nautical Miles | | 2798 nm |
| Avg. Time of Flight | | 7 hours 24 minutes |
Incheon International Airport to Juanda International Airport Flight Route Map - ICN to SUB Flight Path
Location of Incheon International Airport & Juanda International Airport is given below.
Click the map to view Seoul to Surabaya nonstop flight path and travel direction.
Click to see flight route on Google Map between Seoul, South Korea and Surabaya, Indonesia. .
Nonstop flight route between Seoul, South Korea and Surabaya, Indonesia.
Time Difference Between the Airports • ICN - SUB
Time difference between
Seoul (South Korea) and
Surabaya (Indonesia) is 2 Hours.
Surabaya time is 2 Hours behind Seoul.
| Location | Local Time |
| Seoul (South Korea) | 2025-12-06, 01:03:10 KST |
| Surabaya (Indonesia) | 2025-12-05, 23:03:10 WIB |
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.