The flight distance from Suvarnabhumi Airport (BKK) in Bangkok, Thailand to Siena / Ampugnano Airport (SAY) in Siena, Italy is 8,930 kilometers (5,549 miles / 4,822 nautical miles). The estimated flight time for this route is approximately 12h, flying northwest at a heading of 312°.

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 Italy. 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 12:09 in Bangkok, it's 06:09 in Siena. 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.

The return flight from Siena (SAY) to Bangkok (BKK) follows a heading of 80° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Suvarnabhumi Airport (BKK) and Siena / Ampugnano Airport (SAY) detail pages, or use our flight duration calculator to compare other routes.