Distance From Seattle–Tacoma International Airport to Cape Town International Airport, SEA - CPT Distance

The distance from Seattle–Tacoma International Airport (SEA) to Cape Town International Airport (CPT) is 10217 miles or 16443 kilometers or 8873 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 Cape Town ( South Africa )?

A one-way nonstop (direct) flight between Seattle and Cape Town takes around 23 hours 29 minutes.

Estimated flight time from Seattle–Tacoma International Airport, Seattle, United States to Cape Town International Airport, Cape Town, South Africa is 23 hours 29 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 • SEA - CPT

Kilometers		16443 km
Statute Miles		10217 miles
Nautical Miles		8873 nm
Avg. Time of Flight		23 hours 29 minutes

Seattle–Tacoma International Airport to Cape Town International Airport Flight Route Map - SEA to CPT Flight Path

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

Click to see flight route on Google Map between Seattle, United States and Cape Town, South Africa. .

Nonstop flight route between Seattle, United States and Cape Town, South Africa.

Time Difference Between the Airports • SEA - CPT

Time difference between Seattle (United States) and Cape Town (South Africa) is 8 Hours.
Cape Town time is 8 Hours ahead of Seattle.

Location	Local Time
Seattle (United States)	2026-05-04, 20:06:25 MDT
Cape Town (South Africa)	2026-05-05, 04:06:25 SAST

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

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

Destination

Cape Town International Airport (CPT / FACT) Cape Town, South Africa