Distance From Puget Sound Plaza Heliport to Chiang Mai International Airport

The distance from Puget Sound Plaza Heliport () to Chiang Mai International Airport (CNX) is 7186 miles or 11565 kilometers or 6240 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 Chiang Mai ( Thailand )?

A one-way nonstop (direct) flight between Seattle and Chiang Mai takes around 16 hours 31 minutes.

Estimated flight time from Puget Sound Plaza Heliport, Seattle, United States to Chiang Mai International Airport, Chiang Mai, Thailand is 16 hours 31 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 • - CNX

Kilometers		11565 km
Statute Miles		7186 miles
Nautical Miles		6240 nm
Avg. Time of Flight		16 hours 31 minutes

Puget Sound Plaza Heliport to Chiang Mai International Airport Flight Route Map - to CNX Flight Path

Location of Puget Sound Plaza Heliport & Chiang Mai International Airport is given below.
Click the map to view Seattle to Chiang Mai nonstop flight path and travel direction.

Click to see flight route on Google Map between Seattle, United States and Chiang Mai, Thailand. .

Nonstop flight route between Seattle, United States and Chiang Mai, Thailand.

Time Difference Between the Airports • - CNX

Time difference between Seattle (United States) and Chiang Mai (Thailand) is 13 Hours.
Chiang Mai time is 13 Hours ahead of Seattle.

Location	Local Time
Seattle (United States)	2026-06-23, 12:26:05 MDT
Chiang Mai (Thailand)	2026-06-24, 01:26:05 +07

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

Puget Sound Plaza Heliport ( / 9WA6) Seattle, United States

Destination

Chiang Mai International Airport (CNX / VTCC) Chiang Mai, Thailand