Distance From Boeing Field King County International Airport to Perth International Airport, BFI - PER Distance

The distance from Boeing Field King County International Airport (BFI) to Perth International Airport (PER) is 9242 miles or 14873 kilometers or 8026 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 Seattle ( United States ) to Perth ( Australia )?

A one-way nonstop (direct) flight between Seattle and Perth takes around 21 hours 14 minutes.

Estimated flight time from Boeing Field King County International Airport, Seattle, United States to Perth International Airport, Perth, Australia is 21 hours 14 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 • BFI - PER

Kilometers		14873 km
Statute Miles		9242 miles
Nautical Miles		8026 nm
Avg. Time of Flight		21 hours 14 minutes

Boeing Field King County International Airport to Perth International Airport Flight Route Map - BFI to PER Flight Path

Location of Boeing Field King County International Airport & Perth International Airport is given below.
Click the map to view Seattle to Perth nonstop flight path and travel direction.

Click to see flight route on Google Map between Seattle, United States and Perth, Australia. .

Nonstop flight route between Seattle, United States and Perth, Australia.

Time Difference Between the Airports • BFI - PER

Time difference between Seattle (United States) and Perth (Australia) is 15 Hours.
Perth time is 15 Hours ahead of Seattle.

Location	Local Time
Seattle (United States)	2025-01-02, 11:47:27 MST
Perth (Australia)	2025-01-03, 02:47:27 AWST

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

Boeing Field King County International Airport (BFI / KBFI) Seattle, United States

Destination

Perth International Airport (PER / YPPH) Perth, Australia