The flight distance from San Francisco International Airport (SFO) in San Francisco, United States to Toronto / Buttonville Municipal Airport (YKZ) in Markham, Canada is 3,647 kilometers (2,266 miles / 1,969 nautical miles). The estimated flight time for this route is approximately 5h, flying east northeast at a heading of 65°.

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 20:36 in San Francisco, it's 23:36 in Markham. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Markham (YKZ) to San Francisco (SFO) follows a heading of 274° (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 San Francisco International Airport (SFO) and Toronto / Buttonville Municipal Airport (YKZ) detail pages, or use our flight duration calculator to compare other routes.