Distance From Port Sulphur Seaplane Base to Christchurch International Airport

The distance from Port Sulphur Seaplane Base () to Christchurch International Airport (CHC) is 7951 miles or 12796 kilometers or 6905 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 Port Sulphur ( United States ) to Christchurch ( New Zealand )?

A one-way nonstop (direct) flight between Port Sulphur and Christchurch takes around 18 hours 16 minutes.

Estimated flight time from Port Sulphur Seaplane Base, Port Sulphur, United States to Christchurch International Airport, Christchurch, New Zealand is 18 hours 16 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 • - CHC

Kilometers		12796 km
Statute Miles		7951 miles
Nautical Miles		6905 nm
Avg. Time of Flight		18 hours 16 minutes

Port Sulphur Seaplane Base to Christchurch International Airport Flight Route Map - to CHC Flight Path

Location of Port Sulphur Seaplane Base & Christchurch International Airport is given below.
Click the map to view Port Sulphur to Christchurch nonstop flight path and travel direction.

Click to see flight route on Google Map between Port Sulphur, United States and Christchurch, New Zealand. .

Nonstop flight route between Port Sulphur, United States and Christchurch, New Zealand.

Time Difference Between the Airports • - CHC

Time difference between Port Sulphur (United States) and Christchurch (New Zealand) is 16 Hours.
Christchurch time is 16 Hours ahead of Port Sulphur.

Location	Local Time
Port Sulphur (United States)	2026-08-08, 07:43:40 EDT
Christchurch (New Zealand)	2026-08-08, 23:43:40 NZST

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

Port Sulphur Seaplane Base ( / 4LA0) Port Sulphur, United States

Destination

Christchurch International Airport (CHC / NZCH) Christchurch, New Zealand