Distance From Devon Airport to George Bush Intercontinental Houston Airport

The distance from Devon Airport () to George Bush Intercontinental Houston Airport (IAH) is 9058 miles or 14577 kilometers or 7866 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 Devon ( South Africa ) to Houston ( United States )?

A one-way nonstop (direct) flight between Devon and Houston takes around 20 hours 49 minutes.

Estimated flight time from Devon Airport, Devon, South Africa to George Bush Intercontinental Houston Airport, Houston, United States is 20 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 • - IAH

Kilometers		14577 km
Statute Miles		9058 miles
Nautical Miles		7866 nm
Avg. Time of Flight		20 hours 49 minutes

Devon Airport to George Bush Intercontinental Houston Airport Flight Route Map - to IAH Flight Path

Location of Devon Airport & George Bush Intercontinental Houston Airport is given below.
Click the map to view Devon to Houston nonstop flight path and travel direction.

Click to see flight route on Google Map between Devon, South Africa and Houston, United States. .

Nonstop flight route between Devon, South Africa and Houston, United States.

Time Difference Between the Airports • - IAH

Time difference between Devon (South Africa) and Houston (United States) is 7 Hours.
Houston time is 7 Hours behind Devon.

Location	Local Time
Devon (South Africa)	2026-05-04, 02:09:02 SAST
Houston (United States)	2026-05-03, 19:09:02 CDT

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

Devon Airport ( / FADV) Devon, South Africa

Destination

George Bush Intercontinental Houston Airport (IAH / KIAH) Houston, United States