The flight distance from London Heathrow Airport (LHR) in London, United Kingdom to Alert Airport (YLT) in Alert, Canada is 3,950 kilometers (2,454 miles / 2,133 nautical miles). The estimated flight time for this route is approximately 6h, flying north northwest at a heading of 349°.

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

Time zone information: When it's 10:21 in London, it's 05:21 in Alert. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Alert (YLT) to London (LHR) follows a heading of 109° (east southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the London Heathrow Airport (LHR) and Alert Airport (YLT) detail pages, or use our flight duration calculator to compare other routes.