The flight distance from St Helens Airport (HLS) in St Helens Airport, Australia to Calgary International Airport (YYC) in Calgary, Canada is 13,928 kilometers (8,655 miles / 7,521 nautical miles). The estimated flight time for this route is approximately 17h, flying northeast at a heading of 50°.

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 02:50 in St Helens Airport, it's 08:50 in Calgary. With a 18-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 3,509 feet between the two airports. Calgary International Airport sits higher than St Helens Airport.

The return flight from Calgary (YYC) to St Helens Airport (HLS) follows a heading of 246° (west southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the St Helens Airport (HLS) and Calgary International Airport (YYC) detail pages, or use our flight duration calculator to compare other routes.