Distance From Astoria Regional Airport to Incheon International Airport, AST - ICN Distance

The distance from Astoria Regional Airport (AST) to Incheon International Airport (ICN) is 5203 miles or 8373 kilometers or 4518 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.

---

How long does it take to travel from Astoria ( United States ) to Seoul ( South Korea )?

A one-way nonstop (direct) flight between Astoria and Seoul takes around 11 hours 57 minutes.

Estimated flight time from Astoria Regional Airport, Astoria, United States to Incheon International Airport, Seoul, South Korea is 11 hours 57 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 • AST - ICN

Kilometers		8373 km
Statute Miles		5203 miles
Nautical Miles		4518 nm
Avg. Time of Flight		11 hours 57 minutes

Astoria Regional Airport to Incheon International Airport Flight Route Map - AST to ICN Flight Path

Location of Astoria Regional Airport & Incheon International Airport is given below.
Click the map to view Astoria to Seoul nonstop flight path and travel direction.

Click to see flight route on Google Map between Astoria, United States and Seoul, South Korea. .

Nonstop flight route between Astoria, United States and Seoul, South Korea.

Time Difference Between the Airports • AST - ICN

Time difference between Astoria (United States) and Seoul (South Korea) is 16 Hours.
Seoul time is 16 Hours ahead of Astoria.

Location	Local Time
Astoria (United States)	2025-12-05, 01:17:22 MST
Seoul (South Korea)	2025-12-05, 17:17:22 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

Astoria Regional Airport (AST / KAST) Astoria, United States

Destination

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