Distance From Tsetserleg Airport to Seattle–Tacoma International Airport, TSZ - SEA Distance

The distance from Tsetserleg Airport (TSZ) to Seattle–Tacoma International Airport (SEA) is 5370 miles or 8642 kilometers or 4663 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 Tsetserleg ( Mongolia ) to Seattle ( United States )?

A one-way nonstop (direct) flight between Tsetserleg and Seattle takes around 12 hours 20 minutes.

Estimated flight time from Tsetserleg Airport, Tsetserleg, Mongolia to Seattle–Tacoma International Airport, Seattle, United States is 12 hours 20 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 • TSZ - SEA

Kilometers		8642 km
Statute Miles		5370 miles
Nautical Miles		4663 nm
Avg. Time of Flight		12 hours 20 minutes

Tsetserleg Airport to Seattle–Tacoma International Airport Flight Route Map - TSZ to SEA Flight Path

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

Click to see flight route on Google Map between Tsetserleg, Mongolia and Seattle, United States. .

Nonstop flight route between Tsetserleg, Mongolia and Seattle, United States.

Time Difference Between the Airports • TSZ - SEA

Time difference between Tsetserleg (Mongolia) and Seattle (United States) is 14 Hours.
Seattle time is 14 Hours behind Tsetserleg.

Location	Local Time
Tsetserleg (Mongolia)	2026-07-30, 19:40:51 +08
Seattle (United States)	2026-07-30, 05:40:51 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

Tsetserleg Airport (TSZ / ZMTG) Tsetserleg, Mongolia

Destination

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