The flight distance from Denver International Airport (DEN) in Denver, United States to Toronto / Buttonville Municipal Airport (YKZ) in Markham, Canada is 2,133 kilometers (1,325 miles / 1,152 nautical miles). The estimated flight time for this route is approximately 4h, flying east northeast at a heading of 70°.

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 03:56 in Denver, it's 05:56 in Markham.

There is a significant elevation difference of 4,784 feet between the two airports. Toronto / Buttonville Municipal Airport sits lower than Denver International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from Markham (YKZ) to Denver (DEN) 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 Denver International Airport (DEN) and Toronto / Buttonville Municipal Airport (YKZ) detail pages, or use our flight duration calculator to compare other routes.