Distance From Portsmouth International at Pease Airport to George Bush Intercontinental Houston Airport, PSM - IAH Distance

The distance from Portsmouth International at Pease Airport (PSM) to George Bush Intercontinental Houston Airport (IAH) is 1625 miles or 2615 kilometers or 1411 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 Portsmouth ( United States ) to Houston ( United States )?

A one-way nonstop (direct) flight between Portsmouth and Houston takes around 3 hours 44 minutes.

Estimated flight time from Portsmouth International at Pease Airport, Portsmouth, United States to George Bush Intercontinental Houston Airport, Houston, United States is 3 hours 44 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 • PSM - IAH

Kilometers		2615 km
Statute Miles		1625 miles
Nautical Miles		1411 nm
Avg. Time of Flight		3 hours 44 minutes

Portsmouth International at Pease Airport to George Bush Intercontinental Houston Airport Flight Route Map - PSM to IAH Flight Path

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

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

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

Time Difference Between the Airports • PSM - IAH

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

Location	Local Time
Portsmouth (United States)	2025-03-14, 01:38:16 EDT
Houston (United States)	2025-03-14, 00:38:16 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

Portsmouth International at Pease Airport (PSM / KPSM) Portsmouth, United States

Destination

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