Distance From Jeju International Airport to Buffalo Niagara International Airport, CJU - BUF Distance

The distance from Jeju International Airport (CJU) to Buffalo Niagara International Airport (BUF) is 6919 miles or 11135 kilometers or 6009 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 Jeju City ( South Korea ) to Buffalo ( United States )?

A one-way nonstop (direct) flight between Jeju City and Buffalo takes around 15 hours 54 minutes.

Estimated flight time from Jeju International Airport, Jeju City, South Korea to Buffalo Niagara International Airport, Buffalo, United States is 15 hours 54 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 • CJU - BUF

Kilometers		11135 km
Statute Miles		6919 miles
Nautical Miles		6009 nm
Avg. Time of Flight		15 hours 54 minutes

Jeju International Airport to Buffalo Niagara International Airport Flight Route Map - CJU to BUF Flight Path

Location of Jeju International Airport & Buffalo Niagara International Airport is given below.
Click the map to view Jeju City to Buffalo nonstop flight path and travel direction.

Click to see flight route on Google Map between Jeju City, South Korea and Buffalo, United States. .

Nonstop flight route between Jeju City, South Korea and Buffalo, United States.

Time Difference Between the Airports • CJU - BUF

Time difference between Jeju City (South Korea) and Buffalo (United States) is 14 Hours.
Buffalo time is 14 Hours behind Jeju City.

Location	Local Time
Jeju City (South Korea)	2025-12-15, 16:33:04 KST
Buffalo (United States)	2025-12-15, 02:33:04 EST

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

Jeju International Airport (CJU / RKPC) Jeju City, South Korea

Destination

Buffalo Niagara International Airport (BUF / KBUF) Buffalo, United States