The flight distance from George Bush Intcntl/Houston Airport (IAH) in Houston, United States to Calgary International Airport (YYC) in Calgary, Canada is 2,813 kilometers (1,748 miles / 1,519 nautical miles). The estimated flight time for this route is approximately 4h, flying north northwest at a heading of 332°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is an international route connecting United States with Canada. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 17:46 in Houston, it's 16:46 in Calgary.

There is a significant elevation difference of 3,461 feet between the two airports. Calgary International Airport sits higher than George Bush Intcntl/Houston Airport.

The return flight from Calgary (YYC) to Houston (IAH) follows a heading of 140° (southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the George Bush Intcntl/Houston Airport (IAH) and Calgary International Airport (YYC) detail pages, or use our flight duration calculator to compare other routes.