The flight distance from Don Miguel Hidalgo Y Costilla International Airport (GDL) in Guadalajara, Mexico to London Heathrow Airport (LHR) in London, United Kingdom is 9,084 kilometers (5,644 miles / 4,905 nautical miles). The estimated flight time for this route is approximately 12h, flying northeast at a heading of 38°.

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

Time zone information: When it's 03:30 in Guadalajara, it's 09:30 in London. With a 6-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 4,933 feet between the two airports. London Heathrow Airport sits lower than Don Miguel Hidalgo Y Costilla International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from London (LHR) to Guadalajara (GDL) follows a heading of 293° (west northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Don Miguel Hidalgo Y Costilla International Airport (GDL) and London Heathrow Airport (LHR) detail pages, or use our flight duration calculator to compare other routes.