The flight distance from Incheon International Airport (ICN) in Seoul, South Korea to Fua'amotu International Airport (TBU) in Nuku'alofa, Tonga is 8,937 kilometers (5,553 miles / 4,826 nautical miles). The estimated flight time for this route is approximately 12h, flying southeast at a heading of 126°.

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

Time zone information: When it's 10:11 in Seoul, it's 14:11 in Nuku'alofa. The 4-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Nuku'alofa (TBU) to Seoul (ICN) follows a heading of 317° (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 Incheon International Airport (ICN) and Fua'amotu International Airport (TBU) detail pages, or use our flight duration calculator to compare other routes.