Distance From Lanzhou Zhongchuan International Airport to Seattle–Tacoma International Airport, LHW - SEA Distance

The distance from Lanzhou Zhongchuan International Airport (LHW) to Seattle–Tacoma International Airport (SEA) is 5980 miles or 9623 kilometers or 5193 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 Lanzhou (Yongdeng) ( China ) to Seattle ( United States )?

A one-way nonstop (direct) flight between Lanzhou (Yongdeng) and Seattle takes around 13 hours 44 minutes.

Estimated flight time from Lanzhou Zhongchuan International Airport, Lanzhou (Yongdeng), China to Seattle–Tacoma International Airport, Seattle, United States is 13 hours 44 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 • LHW - SEA

Kilometers		9623 km
Statute Miles		5980 miles
Nautical Miles		5193 nm
Avg. Time of Flight		13 hours 44 minutes

Lanzhou Zhongchuan International Airport to Seattle–Tacoma International Airport Flight Route Map - LHW to SEA Flight Path

Location of Lanzhou Zhongchuan International Airport & Seattle–Tacoma International Airport is given below.
Click the map to view Lanzhou (Yongdeng) to Seattle nonstop flight path and travel direction.

Click to see flight route on Google Map between Lanzhou (Yongdeng), China and Seattle, United States. .

Nonstop flight route between Lanzhou (Yongdeng), China and Seattle, United States.

Time Difference Between the Airports • LHW - SEA

Time difference between Lanzhou (Yongdeng) (China) and Seattle (United States) is 12 Hours.
Seattle time is 12 Hours behind Lanzhou (Yongdeng).

Location	Local Time
Lanzhou (Yongdeng) (China)	2026-03-21, 11:05:36 +06
Seattle (United States)	2026-03-20, 23:05:36 MDT

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

Lanzhou Zhongchuan International Airport (LHW / ZLLL) Lanzhou (Yongdeng), China

Destination

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