The flight distance from Noi Bai International Airport (HAN) in Hanoi, Vietnam to Incheon International Airport (ICN) in Seoul, South Korea is 2,684 kilometers (1,668 miles / 1,449 nautical miles). The estimated flight time for this route is approximately 4h, flying northeast at a heading of 43°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is an international route connecting Vietnam with South Korea. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 18:43 in Hanoi, it's 20:43 in Seoul.

The return flight from Seoul (ICN) to Hanoi (HAN) follows a heading of 233° (southwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Noi Bai International Airport (HAN) and Incheon International Airport (ICN) detail pages, or use our flight duration calculator to compare other routes.