Distance From Netaji Subhash Chandra Bose International Airport to George Bush Intercontinental Houston Airport, CCU - IAH Distance

The distance from Netaji Subhash Chandra Bose International Airport (CCU) to George Bush Intercontinental Houston Airport (IAH) is 8791 miles or 14148 kilometers or 7634 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 Kolkata ( India ) to Houston ( United States )?

A one-way nonstop (direct) flight between Kolkata and Houston takes around 20 hours 12 minutes.

Estimated flight time from Netaji Subhash Chandra Bose International Airport, Kolkata, India to George Bush Intercontinental Houston Airport, Houston, United States is 20 hours 12 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 • CCU - IAH

Kilometers		14148 km
Statute Miles		8791 miles
Nautical Miles		7634 nm
Avg. Time of Flight		20 hours 12 minutes

Netaji Subhash Chandra Bose International Airport to George Bush Intercontinental Houston Airport Flight Route Map - CCU to IAH Flight Path

Location of Netaji Subhash Chandra Bose International Airport & George Bush Intercontinental Houston Airport is given below.
Click the map to view Kolkata to Houston nonstop flight path and travel direction.

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

Nonstop flight route between Kolkata, India and Houston, United States.

Time Difference Between the Airports • CCU - IAH

Time difference between Kolkata (India) and Houston (United States) is 10 Hours 30 Minutes.
Houston time is 10 Hours 30 Minutes behind Kolkata.

Location	Local Time
Kolkata (India)	2026-10-28, 07:47:42 IST
Houston (United States)	2026-10-27, 21:17:42 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

Netaji Subhash Chandra Bose International Airport (CCU / VECC) Kolkata, India

Destination

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