The flight distance from George Bush Intcntl/Houston Airport (IAH) in Houston, United States to Marathon Airport (YSP) in Marathon, Canada is 2,223 kilometers (1,381 miles / 1,200 nautical miles). The estimated flight time for this route is approximately 4h, flying north northeast at a heading of 18°.

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 19:31 in Houston, it's 20:31 in Marathon.

The return flight from Marathon (YSP) to Houston (IAH) follows a heading of 203° (south southwest). 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 Marathon Airport (YSP) detail pages, or use our flight duration calculator to compare other routes.