Distance From Great Falls International Airport to Phuket International Airport, GTF - HKT Distance

The distance from Great Falls International Airport (GTF) to Phuket International Airport (HKT) is 8188 miles or 13177 kilometers or 7110 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 Great Falls ( United States ) to Phuket ( Thailand )?

A one-way nonstop (direct) flight between Great Falls and Phuket takes around 18 hours 49 minutes.

Estimated flight time from Great Falls International Airport, Great Falls, United States to Phuket International Airport, Phuket, Thailand is 18 hours 49 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 • GTF - HKT

Kilometers		13177 km
Statute Miles		8188 miles
Nautical Miles		7110 nm
Avg. Time of Flight		18 hours 49 minutes

Great Falls International Airport to Phuket International Airport Flight Route Map - GTF to HKT Flight Path

Location of Great Falls International Airport & Phuket International Airport is given below.
Click the map to view Great Falls to Phuket nonstop flight path and travel direction.

Click to see flight route on Google Map between Great Falls, United States and Phuket, Thailand. .

Nonstop flight route between Great Falls, United States and Phuket, Thailand.

Time Difference Between the Airports • GTF - HKT

Time difference between Great Falls (United States) and Phuket (Thailand) is 14 Hours.
Phuket time is 14 Hours ahead of Great Falls.

Location	Local Time
Great Falls (United States)	2025-12-15, 21:07:50 MST
Phuket (Thailand)	2025-12-16, 11:07:50 +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

Great Falls International Airport (GTF / KGTF) Great Falls, United States

Destination

Phuket International Airport (HKT / VTSP) Phuket, Thailand