Distance From Boeing Field King County International Airport to Tianjin Binhai International Airport, BFI - TSN Distance

The distance from Boeing Field King County International Airport (BFI) to Tianjin Binhai International Airport (TSN) is 5418 miles or 8720 kilometers or 4705 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 Tianjin ( China )?

A one-way nonstop (direct) flight between Seattle and Tianjin takes around 12 hours 27 minutes.

Estimated flight time from Boeing Field King County International Airport, Seattle, United States to Tianjin Binhai International Airport, Tianjin, China is 12 hours 27 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 - TSN

Kilometers		8720 km
Statute Miles		5418 miles
Nautical Miles		4705 nm
Avg. Time of Flight		12 hours 27 minutes

Boeing Field King County International Airport to Tianjin Binhai International Airport Flight Route Map - BFI to TSN Flight Path

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

Click to see flight route on Google Map between Seattle, United States and Tianjin, China. .

Nonstop flight route between Seattle, United States and Tianjin, China.

Time Difference Between the Airports • BFI - TSN

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

Location	Local Time
Seattle (United States)	2025-12-05, 02:38:33 MST
Tianjin (China)	2025-12-05, 17:38:33 CST

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

Tianjin Binhai International Airport (TSN / ZBTJ) Tianjin, China