The flight distance from Cardiff International Airport (CWL) in Cardiff, United Kingdom to Harry Reid International Airport (LAS) in Las Vegas, United States is 8,246 kilometers (5,124 miles / 4,453 nautical miles). The estimated flight time for this route is approximately 11h, flying northwest at a heading of 309°.

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 United Kingdom with United States. 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 05:45 in Cardiff, it's 21:45 in Las Vegas. With a 8-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 1,961 feet between the two airports. Harry Reid International Airport sits higher than Cardiff International Airport.

The return flight from Las Vegas (LAS) to Cardiff (CWL) follows a heading of 37° (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 Cardiff International Airport (CWL) and Harry Reid International Airport (LAS) detail pages, or use our flight duration calculator to compare other routes.