The flight distance from Great Falls International Airport (GTF) in Great Falls, United States to Ottawa / Macdonald-Cartier International Airport (YOW) in Ottawa, Canada is 2,724 kilometers (1,693 miles / 1,471 nautical miles). The estimated flight time for this route is approximately 4h, flying east at a heading of 82°.

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 14:41 in Great Falls, it's 16:41 in Ottawa.

There is a significant elevation difference of 3,306 feet between the two airports. Ottawa / Macdonald-Cartier International Airport sits lower than Great Falls International Airport.

The return flight from Ottawa (YOW) to Great Falls (GTF) follows a heading of 288° (west 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 Great Falls International Airport (GTF) and Ottawa / Macdonald-Cartier International Airport (YOW) detail pages, or use our flight duration calculator to compare other routes.