Distance From St Charles Airport to George Bush Intercontinental Houston Airport

The distance from St Charles Airport () to George Bush Intercontinental Houston Airport (IAH) is 672 miles or 1081 kilometers or 584 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 St Charles ( United States ) to Houston ( United States )?

A one-way nonstop (direct) flight between St Charles and Houston takes around 1 hours 32 minutes.

Estimated flight time from St Charles Airport, St Charles, United States to George Bush Intercontinental Houston Airport, Houston, United States is 1 hours 32 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		1081 km
Statute Miles		672 miles
Nautical Miles		584 nm
Avg. Time of Flight		1 hours 32 minutes

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

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

Click to see flight route on Google Map between St Charles, United States and Houston, United States. .

Nonstop flight route between St Charles, United States and Houston, United States.

Time Difference Between the Airports • - IAH

Time difference between St Charles (United States) and Houston (United States) is 1 Hours.
Houston time is 1 Hours behind St Charles.

Location	Local Time
St Charles (United States)	2026-03-19, 00:23:05 EDT
Houston (United States)	2026-03-18, 23:23:05 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

St Charles Airport ( / ) St Charles, United States

Destination

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