Distance From Udon Thani Airport to Incheon International Airport, UTH - ICN Distance

The distance from Udon Thani Airport (UTH) to Incheon International Airport (ICN) is 1997 miles or 3213 kilometers or 1734 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 Udon Thani ( Thailand ) to Seoul ( South Korea )?

A one-way nonstop (direct) flight between Udon Thani and Seoul takes around 4 hours 35 minutes.

Estimated flight time from Udon Thani Airport, Udon Thani, Thailand to Incheon International Airport, Seoul, South Korea is 4 hours 35 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 • UTH - ICN

Kilometers		3213 km
Statute Miles		1997 miles
Nautical Miles		1734 nm
Avg. Time of Flight		4 hours 35 minutes

Udon Thani Airport to Incheon International Airport Flight Route Map - UTH to ICN Flight Path

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

Click to see flight route on Google Map between Udon Thani, Thailand and Seoul, South Korea. .

Nonstop flight route between Udon Thani, Thailand and Seoul, South Korea.

Time Difference Between the Airports • UTH - ICN

Time difference between Udon Thani (Thailand) and Seoul (South Korea) is 2 Hours.
Seoul time is 2 Hours ahead of Udon Thani.

Location	Local Time
Udon Thani (Thailand)	2025-12-15, 15:05:10 +07
Seoul (South Korea)	2025-12-15, 17:05:10 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

Udon Thani Airport (UTH / VTUD) Udon Thani, Thailand

Destination

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