The flight distance from Chiang Mai International Airport (CNX) in Chiang Mai, Thailand to London Stansted Airport (STN) in London, United Kingdom is 8,955 kilometers (5,564 miles / 4,835 nautical miles). The estimated flight time for this route is approximately 12h, flying northwest at a heading of 322°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting Thailand with United Kingdom. It is an intercontinental flight between Asia and Europe. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 12:00 in Chiang Mai, it's 05:00 in London. With a 7-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 London (STN) to Chiang Mai (CNX) follows a heading of 72° (east northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Chiang Mai International Airport (CNX) and London Stansted Airport (STN) detail pages, or use our flight duration calculator to compare other routes.