The flight distance from Helsinki Vantaa Airport (HEL) in Helsinki, Finland to Udon Thani Airport (UTH) in Udon Thani, Thailand is 7,666 kilometers (4,764 miles / 4,139 nautical miles). The estimated flight time for this route is approximately 10h, flying east at a heading of 92°.

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 Finland with Thailand. It is an intercontinental flight between Europe and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 22:24 in Helsinki, it's 03:24 in Udon Thani. The 5-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Udon Thani (UTH) to Helsinki (HEL) follows a heading of 329° (north 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 Helsinki Vantaa Airport (HEL) and Udon Thani Airport (UTH) detail pages, or use our flight duration calculator to compare other routes.