The flight distance from Boulder Municipal Airport (WBU) in Boulder, United States to Ottawa / Macdonald-Cartier International Airport (YOW) in Ottawa, Canada is 2,472 kilometers (1,536 miles / 1,335 nautical miles). The estimated flight time for this route is approximately 4h, flying east northeast at a heading of 66°.

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 09:47 in Boulder, it's 11:47 in Ottawa.

There is a significant elevation difference of 4,914 feet between the two airports. Ottawa / Macdonald-Cartier International Airport sits lower than Boulder Municipal Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Ottawa (YOW) to Boulder (WBU) follows a heading of 267° (west). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Boulder Municipal Airport (WBU) and Ottawa / Macdonald-Cartier International Airport (YOW) detail pages, or use our flight duration calculator to compare other routes.