Distance From Kansai International Airport to Seattle–Tacoma International Airport, KIX - SEA Distance

The distance from Kansai International Airport (KIX) to Seattle–Tacoma International Airport (SEA) is 5028 miles or 8091 kilometers or 4366 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 Osaka ( Japan ) to Seattle ( United States )?

A one-way nonstop (direct) flight between Osaka and Seattle takes around 11 hours 33 minutes.

Estimated flight time from Kansai International Airport, Osaka, Japan to Seattle–Tacoma International Airport, Seattle, United States is 11 hours 33 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 • KIX - SEA

Kilometers		8091 km
Statute Miles		5028 miles
Nautical Miles		4366 nm
Avg. Time of Flight		11 hours 33 minutes

Kansai International Airport to Seattle–Tacoma International Airport Flight Route Map - KIX to SEA Flight Path

Location of Kansai International Airport & Seattle–Tacoma International Airport is given below.
Click the map to view Osaka to Seattle nonstop flight path and travel direction.

Click to see flight route on Google Map between Osaka, Japan and Seattle, United States. .

Nonstop flight route between Osaka, Japan and Seattle, United States.

Time Difference Between the Airports • KIX - SEA

Time difference between Osaka (Japan) and Seattle (United States) is 16 Hours.
Seattle time is 16 Hours behind Osaka.

Location	Local Time
Osaka (Japan)	2025-12-17, 17:00:47 JST
Seattle (United States)	2025-12-17, 01:00:47 MST

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

Kansai International Airport (KIX / RJBB) Osaka, Japan

Destination

Seattle–Tacoma International Airport (SEA / KSEA) Seattle, United States