The flight distance from Sydney Kingsford Smith International Airport (SYD) in Sydney, Australia to Saint John Airport (YSJ) in Saint John, Canada is 16,635 kilometers (10,336 miles / 8,982 nautical miles). The estimated flight time for this route is approximately 21h, flying east northeast at a heading of 57°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting Australia with Canada. It is an intercontinental flight between Oceania and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 11:32 in Sydney, it's 20:32 in Saint John. With a 15-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

The return flight from Saint John (YSJ) to Sydney (SYD) follows a heading of 279° (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 Sydney Kingsford Smith International Airport (SYD) and Saint John Airport (YSJ) detail pages, or use our flight duration calculator to compare other routes.