Distance From Hot Springs County Airport to George Bush Intercontinental Houston Airport, THP - IAH Distance

The distance from Hot Springs County Airport (THP) to George Bush Intercontinental Houston Airport (IAH) is 1189 miles or 1913 kilometers or 1033 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 Thermopolis ( United States ) to Houston ( United States )?

A one-way nonstop (direct) flight between Thermopolis and Houston takes around 2 hours 43 minutes.

Estimated flight time from Hot Springs County Airport, Thermopolis, United States to George Bush Intercontinental Houston Airport, Houston, United States is 2 hours 43 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 • THP - IAH

Kilometers		1913 km
Statute Miles		1189 miles
Nautical Miles		1033 nm
Avg. Time of Flight		2 hours 43 minutes

Hot Springs County Airport to George Bush Intercontinental Houston Airport Flight Route Map - THP to IAH Flight Path

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

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

Nonstop flight route between Thermopolis, United States and Houston, United States.

Time Difference Between the Airports • THP - IAH

Time difference between Thermopolis (United States) and Houston (United States) is 1 Hours.
Houston time is 1 Hours ahead of Thermopolis.

Location	Local Time
Thermopolis (United States)	2026-05-07, 12:21:41 MDT
Houston (United States)	2026-05-07, 13:21:41 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

Hot Springs County Airport (THP / KHSG) Thermopolis, United States

Destination

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