The flight distance from Glacier Park International Airport (FCA) in Kalispell, United States to George Bush Intcntl/Houston Airport (IAH) in Houston, United States is 2,596 kilometers (1,613 miles / 1,402 nautical miles). The estimated flight time for this route is approximately 4h, flying southeast at a heading of 135°.

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 a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 1-hour time difference between the two cities.

Time zone information: When it's 00:31 in Kalispell, it's 01:31 in Houston.

There is a significant elevation difference of 2,881 feet between the two airports. George Bush Intcntl/Houston Airport sits lower than Glacier Park International Airport.

The return flight from Houston (IAH) to Kalispell (FCA) follows a heading of 327° (north northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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