The flight distance from Eleftherios Venizelos International Airport (ATH) in Athens, Greece to Kuini Lavenia Airport (NTT) in Niuatoputapu, Tonga is 17,019 kilometers (10,575 miles / 9,189 nautical miles). The estimated flight time for this route is approximately 21h, flying northeast at a heading of 40°.

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 Greece with Tonga. It is an intercontinental flight between Europe and Oceania. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 01:45 in Athens, it's 12:45 in Niuatoputapu. With a 11-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 Niuatoputapu (NTT) to Athens (ATH) follows a heading of 328° (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 Eleftherios Venizelos International Airport (ATH) and Kuini Lavenia Airport (NTT) detail pages, or use our flight duration calculator to compare other routes.