The flight distance from Ban Huoeisay Airport (OUI) in Ban Huoeisay Airport, Laos to Montréal / Pierre Elliott Trudeau International Airport (YUL) in Dorval, Canada is 12,683 kilometers (7,881 miles / 6,848 nautical miles). The estimated flight time for this route is approximately 16h, flying north at a heading of 356°.

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 Laos with Canada. It is an intercontinental flight between Asia and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 23:56 in Ban Huoeisay Airport, it's 11:56 in Dorval. With a 12-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 1,262 feet between the two airports. Montréal / Pierre Elliott Trudeau International Airport sits lower than Ban Huoeisay Airport.

The return flight from Dorval (YUL) to Ban Huoeisay Airport (OUI) follows a heading of 6° (north). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Ban Huoeisay Airport (OUI) and Montréal / Pierre Elliott Trudeau International Airport (YUL) detail pages, or use our flight duration calculator to compare other routes.